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Topics in Library web:
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Changed: now 04:26 GMT
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Changed by:
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02D011F0-1500
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05 Feb 2006 - 22:24 - r1.4
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Home.synoptic
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to convert non-vtec "11F0" boards from non-vtec to vtec, add: In top left quadrant: C60 1uF, 35v electrolytic (tantalum?) capacitor J10 0 Ohm jumper wire Q101 A143 ...
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02D01720-1500
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14 Mar 2007 - 05:11 - r1.5
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Home.defensio
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To convert a "1720" board from non-vtec to vtec add the following parts: Required: Q26: C2785 ( note: I used a C144 and it worked fine NPN switching transistor) C60 ...
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02D01980-1500
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02 Dec 2006 - 23:22 - r1.4
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Home.enigma06
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Editor's note: the small list does not appear to have the required parts for the IABs Author: eg6ajk Date: 05-24-03 15:10 my parts list seems to be alot smaller: ...
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1WireVtec
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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The 1-wire vtec codebase is a ROM for the OBD0MPFI ECU s that allows the AutomaticTransmissionLockupSolenoid to be used to control vtec engagement. JasonParker came ...
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203_AC
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08 Nov 2004 - 14:46 - NEW
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Home.mind-eracer
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Author: PRCIVIC Date: 05-28-03 21:46 Ok I have commented the AC routine posted for the benefits of those with no assembly knowlege. And yes anyone may comment if i ...
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27C256
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29 Apr 2004 - 02:54 - r1.2
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Home.rschoener
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The 27C256 is the basic EPROM commonly used to chip ECUs. It is a 32k byte (256kbit) chip. 27C256 chips are generally either OTP or UV-Erase . Beware tho! Most honda ...
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27SF256
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09 Mar 2004 - 19:29 - r1.2
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Home.blundar
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This is supposed to be an electrically-erasable replacement for 27C256 . http://www.sst.com/downloads/datasheet/S71152.pdf SST Datasheet (PDF) These can be purchased ...
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28C256
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12 Apr 2004 - 20:42 - NEW
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Home.tungsten2k
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28C256 EEPROM s will work in ECUs, but require pins to be moved around/altered due to them being a different pinout than either 27C256 or 29C256 chips. http://rocky ...
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29C010
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18 Nov 2006 - 17:46 - NEW
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Home.longbow
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The http://www.atmel.com ATMEL AT29C010 chip is a FLASH ROM chip with 1Mbit(~128kb) of memory. It can be found in old Pentium I II computer motherbords. This chip ...
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29C256
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25 Nov 2004 - 12:45 - NEW
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Home.ltdannear
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the http://www.atmel.com ATMEL AT29C256 chip is the de facto FLASH ROM chip in use. It uses a 5V programming voltage, can be erased repeatedly electronically. They ...
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5050s
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27 Jan 2007 - 14:25 - NEW
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Home.b16a2
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Use this method if you install a 5050s in IC14 and you get a MIL code 21. STEP 1 modify and install the VTEC parts as normal but stop at the installation of IC14 ...
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5128XRAM
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27 Feb 2004 - 17:53 - NEW
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Home.synoptic
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5128 XRAM explanation : The 5128 chip present in OBD0 ECUs is a 2K byte(?) SRAM chip. It is mapped into memory space at 1XXX hex any external communication(MOVX A ...
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515XHighSideSwitch
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28 Dec 2005 - 06:52 - r1.7
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Home.4g vtec
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Honda uses a 5 pin high side switch in a lot of their OBD1 and OBD2 ECUs to control solenoids like auto trans and vtec solenoids. Allegro / Sanken is the OEM for ...
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6260ATesting
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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J. Wong: about the 6260A thing... if you take a look at the code ( 91PM6 ECU LED CEL ) that flashes the ECU LED for codes you'll see that it writes #16 or #96 to X2000 ...
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66207
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The http://www.okisemi.com Oki 66207 MCU is used mainly in the OBD1CivicIntegraECUs . It uses the NX8/200 core. Lots of useful documentation on these processors is ...
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66kAssemblerDocs
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18 Jun 2006 - 04:52 - r1.7
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Home.blundar
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Here you can find all the documentation on the Oki 66K achitecture that we have been able to find. If it isn't attached to this page, you can try looking at the http ...
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66kResources
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23 Sep 2005 - 19:23 - r1.2
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Home.blundar
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Documentation 66kAssemblerDocs factory documentation on the Oki 66xxx processors used in most OBD1 and OBD2 implemenations 66kOperations a list of the common 66xxx ...
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74HC373
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05 Mar 2004 - 17:40 - NEW
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Home.blundar
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The 74HC373 is an octal Latch chip. It Latch Latch es 8 bits of data, and is usally used when adding an external rom to a MCU
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82C55
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01 Aug 2005 - 14:37 - r1.3
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Home.blundar
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The 82C55 is an IO controller chip used in many OBD1 ECUs. Fortunately, almost all OBD1CivicIntegraECUs share a common pattern for what is controlled by the 82C55 ...
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91PM6
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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Describe 91PM6 here. 91PM6TargetIdle describes how to set the target idle in a PM6. Similar to 91PM7TargetIdle 91PM6 ECU LED CEL describes the blinking of the LED ...
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91PM6TargetIdle
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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Author: xtensive Date: 01-04-03 20:47 Ok, here's what I found: That whole area is data tables. The routine that calls the idle value is @279A for the pm6. The stock ...
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A143
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08 Oct 2004 - 18:40 - NEW
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Home.Nuno Euro VTi?
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Thanks again Javier (dohcvtec): A143 Panasonic NTE2362 (Digikey # 2SB1030ARACT-ND) (do not be fooled into believing its a NTE126...) A143: DTA143X(ST) , Silicon PnP ...
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A5
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05 Mar 2004 - 19:37 - NEW
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Home.blundar
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A5h (opcode 'A5' in hexidecimal) is the "reserved" opcode of the 8051 instruction set. This means it is NOT a valid instruction to a pure 8051 microcontroller. In ...
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ACCutRoutine
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08 Nov 2004 - 14:50 - NEW
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Home.mind-eracer
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Author: evo (61.88.2.177) Date: 03-04-03 22:15 After much thought, ive decided to share my Air-Conditioner Cutoff routine. This routine cuts out the a/c under a specified ...
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ADC
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Analog to Digital Converter: An integrated circuit (IC) which converts an analog signal to a digital representation. As an example let's consider an 8-bit ADC with ...
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API
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Application Programming Interface An API is a set of functions (usually present in a DLL or other code library) that you can call in order to perform taks. Some common ...
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ASM662
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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ASM662 is an Oki 66201/66207/66301 assembler/disassembler which is still a work in progress. It's released under the BSD license, so you may use the code for anything ...
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AbsolutePressure
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05 Mar 2004 - 19:32 - NEW
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Home.blundar
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Absolute Pressure refers to pressure measurements made on a scale where AbsoluteVacuum 0. AtmosphericPressure is approximately 14.7psi at sea level, measuring absolute ...
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AbsoluteVacuum
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Absolute vacuum only truly exists in deep space. It is the state where an object is surrounded by absolutely nothing. There is absolutely zero gas pressure in an absolute ...
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AcSwitch
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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You have to jump the A/C Thermostat switch under the dash it is a 2P connector blue taped to the harness by the heater blower area. Wire colors are blue/red to yellow ...
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AccordAutoOBD2-OBD1
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13 Oct 2005 - 22:25 - r1.4
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Home.drdisco69
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Information provided by Bird333 First off my disclaimer (gotta have one right ). I, nor anyone else is responsible (except you) if you screw up your car, house, life ...
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Acura
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21 Feb 2004 - 20:10 - NEW
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Home.sideout
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Acura, a luxury branch of Honda was started in 1986. It's first luxury car, the Acura Legend won Car and Driver's Import Car of the Year trophy in 1991. Later on ...
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AddAKnockSensor
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24 Jun 2005 - 03:02 - r1.2
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Home.street_kings
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To add a Knock Sensor to a P75 here is what I did: 1. Remove a knock board from a JDM p30 2. Move the connector strip from prot "A" to port "B" 3. Remove R12 4. Add ...
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AddBoost
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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crome scripts work on p06, p28, p30 (edm, jdm, usdm), p72; it recognizes the rom as do most other Rom editors. Not all scripts work on all ROMs. Boost is a notable ...
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AddIABToP28
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29 Jul 2006 - 05:20 - r1.9
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Home.M2Prelude
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Author: Deluded Date: 07-24-03 23:44 READ CAREFULLY: The procedure to add IABs is different depending on how they are wired. One IAB wire will always run to the ECU ...
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AddKnockToP30G00
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26 Jan 2006 - 05:05 - NEW
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Home.synoptic
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On 1720 or 11f0 I've: remove R140, R141 10k add R107, R115, R116 220R I also add (they may not be essential): C94 4u7 16v tant Q20 a143 On 1550-150x: remove R78 ...
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AddingPages
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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To add a new page to Wiki, all you have to do is come up with a meaningful title, capitalize all the words and StringThemTogetherLikeThis. Wiki automagically recognizes ...
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AdjustPR4PaSensor
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22 Sep 2005 - 21:14 - r1.2
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Home.warrick
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Dave Blundell sez "Vernon (deluded) sent me much of this info." As a rule of thumb, 90 PR4s have external PA sensors, and 91 ECUs have internal PA sensors. You can ...
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AirFuelRatio
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12 Jul 2004 - 15:45 - r1.2
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Home.blundar
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The ratio of the mass of air taken in my an engine to the mass of fuel. 14.7:1 is chemically ideal in order to get the greatest efficiency from every gallon of fuel ...
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AutoOrManual
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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A hardware/software interaction will determine whether a program in an ECU behaves as a manual or auto. Hardware configuration of RP17/RP18 determines whether the ...
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AutoToManual
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09 Jan 2007 - 08:17 - r1.4
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Home.defensio
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Most automatic ECUs can be converted to a 5spd rather easily. Going the other way often involves adding more components. At this time, it appears that the conversion ...
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BAR
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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One BAR is equal to 14.7 psi. Also called ""atm"" or ""atmospheres"" because it corresponds to atmospheric pressure at sea level. psi bar 14.7 The metric unit is the ...
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BRE
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11 Apr 2005 - 22:54 - NEW
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Home.drdisco69
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More inforation can be found at the http://forum.pgmfi.org/viewforum.php?f 36 BRE forum .
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BackLinks
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The contents of all pages are searched to find links to the current page. The BackLinks function also answers the question: "Which pages contain the title of this ...
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BasicConcepts
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19 Jan 2006 - 07:34 - r1.3
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Home.markolson
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Vocab: ECU Engine Control Unit OBD0 the first unofficial generation of honda engine electronics OBD1 the second unofficial generation of honda engine electronics ...
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BegginersFAQ
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27 Feb 2007 - 18:13 - r1.2
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Home.sanimalp
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(blundar sez: most of these were moved over from the old FAQ) If you are a beginner, and you have a question that you think other people will have too, please add ...
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BlueLoctite
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04 Mar 2004 - 00:45 - NEW
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Home.blundar
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Blue Loc-Tite is like a girlfriend... your stuck with her, but you can get rid of her if you want to. Unlike RedLoctite. You put Blue Loc-Tite on a bolt that is prone ...
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Boost
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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"Boost" refers to when the pressure inside an engine's intake manifold is greater than AtmosphericPressure . Remember, 1psi of boost is not 1psi of AbsolutePressure ...
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C2785
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11 Sep 2005 - 16:28 - NEW
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Home.eg6ajk
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C2785 is a high speed NPN switching transistor Thanks to Javier (dohcvtec) for a handy C2785 replacement. This also works for C144. C2785 NTE2361 2SD1423ARACT-ND ...
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CCarryBit
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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In the 8051 architecture, "C" is the name of the carry bit. When an arithmetic operation overflows, the carry bit is set to keep track of this change. This bit is ...
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CEL
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22 Dec 2005 - 08:58 - r1.3
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Home.qwertyville
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Check Engine Light This indicator (usually on the dash) comes on to indicate that the ECU thinks something is wrong. The ECU will usually indicate an error code by ...
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CalendarPlugin
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The CalendarPlugin can be used to generate a monthly calendar in a wiki page. It's handy for PersonalWiki s. Individual dates in the calendar link to specially named ...
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CheckSum
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12 Jul 2004 - 14:08 - r1.3
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Home.synoptic
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A Checksum is a very basic form of error checking. A checksum is calculated by adding the values of a ROM together, without any form of carry or overflow checking ...
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ChipMax
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Entry level professional universal device programmer with a parallel port interface. It is manufactured by http://www.eetools.com EE Tools . Retail is close to $300 ...
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ChippingAn88-89ECU
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21 Sep 2005 - 08:24 - r1.8
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Home.1net
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OBD0MPFI ECUs have two main designs that affect how the ECU is chipped. 90-91 ECU s have an external 38256 (same as 27C256 ) ROM . This can be removed and replaced ...
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ChippingJDMP30
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12 Jan 2007 - 03:32 - r1.5
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Home.coupe-r
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You will need bridge J1 on the back of the ECU. Add C49 C50 and C92 on back. C91 is on the front by the latch C49 C50 .004UF (Digikey part number 399-1230-1-nd ) ...
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ChippingOBD0PM6
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05 Nov 2006 - 15:41 - r1.2
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Home.synoptic
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OBD0 ECU Chipping If you have a OBD0 ECU, chipping the ECU might not be straightforward. Almost ALL 90-91 PM6, PM7, PR4 and PP5(with catalytic converter) ECUs had ...
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ChippingOBD2
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31 Mar 2004 - 19:00 - NEW
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Home.blundar
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How to chip a ODB2 ECU by Doc (edited by Dave) Table of Contents: TOC Introduction Contrary to popular belief, it is possible to chip a ODB2 ECU. It's not cheap like ...
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ChipsForECUs
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29 Mar 2004 - 21:20 - r1.2
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Home.blundar
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all 90-95 (most OBD0 and all OBD1 ) honda ECUs require a 32k byte (256kbit) ROM . Some common chips used by the DIY-chipping scene are the 27C256 , AT 29C256 and 27SF256 ...
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ClampingDiode
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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This is a diode to prevent a spike from an engine component (ike a solenoid) from damaging circuitry. In most cases a 3 amp clamping diode is more than adaquate. The ...
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ClockSpeed
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Clock Speed refers to how fast the crystal oscillator driving the MCU is. It is important for calculating things based off timers, such as serial communication . ...
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CommonTEProblems
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27 Jan 2007 - 00:41 - r1.5
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Jared Karagen?
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The following are some problems that I see people running into fairly often when using TurboEdit. If I've forgotten any, please add both the problem and the solution ...
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Conversion
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Describe Conversion here. Conversion is the act of modifying the WireHarness at the ECU so you can fit ohter Generation (OBD) ECU. For example, you might want to run ...
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CromeFAQ
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04 Aug 2005 - 02:22 - r1.4
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Home.m2prelude
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Why is Crome password protected? Crome is FREE software that without the hard work of many people wouldn't even be here. To give credit to its contributors, I (John ...
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CromeROMEditor
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06 Sep 2005 - 04:03 - r1.3
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Home.drdisco69
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Crome is ROMEditor that JohnCui wrote. Its main feature that differentiates itself from other ROMEditor s is that it supports the use of JavaScript to control it and ...
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CromeScript
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31 Mar 2007 - 03:08 - r1.3
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Home.racingsky
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Crome has a powerful scripting language. There are many functions you can call to do things. It would be good to document them here. 3/5/04 see below for additional ...
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CylinderPositionSensor
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30 Mar 2006 - 12:44 - NEW
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Home.edurmus
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in SHOC engine cyp sensor is in distributor, DHOC engine seperated at exhoust camshaft on 1991 crx model cyp 1 sensor located at the front of distributor, it s a two ...
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D16Z6-4G-swapnotes
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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Brief remarks on installing the D16Z6 itself Installing a Z6 is pretty close to dropping a D16A6 (a.k.a. A6) engine in. Alterations that need to be made include: ...
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D1780
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10 Oct 2004 - 08:51 - r1.2
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Home.sens
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D1780 It's made by NEC.. i have the datasheet.. will post it if i knew how :) Full part number 2SD1780 2 Amp, 50 V, NPN, E-C-B (1-2-3) pins , Hfe 800 to 3200 I think ...
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DAC
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Digital to Analog Converter. the process of taking a digital value and converting it to an analog signal of some variety. We'll use an 8-bit DAC using a 5.00V reference ...
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DLC
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27 May 2005 - 13:15 - NEW
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Home.hondainfo
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Honda DLC 3-Pin Data Link Connector The DLC is a 3-pin connector and usually includes three wires, but some models only have two wires. The 3-pin connectors with ...
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DLCCommunication
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29 May 2006 - 14:12 - r1.6
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Home.hondainfo
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DLC Communication UNDER CONSTRUCTION BY HONDAINFO 1. Physical Layer (Theoretical informations based on ISO 9141 CARB Road Vehicles Diagnostic Systems standard) Signal ...
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DataLogging
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24 Oct 2005 - 06:02 - r1.14
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Home.markolson
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Data logging refers to recording the conditions of a running engine. It normally happens using serial communication with the ECU There are two way for Data Logging ...
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DebuggingDataLogging
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03 Jan 2005 - 05:58 - r1.4
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Home.markolson
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Thanks to ltdannear for lots of help in getting this to work. The following is a guideline for how to debug the datalogging circuit you have added to your ECU. This ...
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DesolderingIron
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29 Mar 2004 - 21:32 - NEW
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Home.blundar
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A desoldering iron is a SolderingIron made specially for desoldering. Generally they have a hollow tip iron combined with a DesolderingTool of some variety. I've yet ...
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DesolderingTips
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Some basic wisdom from my time with the desoldering tools: #DO NOT USE THE SUCTION ALL THE TIME #BE PATIENT. You need to wait for the solder to melt all the way through ...
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DesolderingTool
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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there are several common styles of desoldering tools commonly available that allow the use of a regular SolderingIron for desoldering: Plunger-style tools use a spring ...
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DifferenceUsCanPM6
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03 Mar 2004 - 03:19 - r1.2
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Home.tatou100
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Here's the difference beetween US and Canadian PM6 First you have to know that US Civic/CRX have a external ElectricalLoadDetector or ELD. It's located in the fuse ...
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DigiKey
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17 Feb 2004 - 18:56 - NEW
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ROM
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http://www.digikey.com DigiKey is one of the larger and more convenient mail order electronic part suppliers in the USA.
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DocECUSchool
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05 Mar 2004 - 17:40 - NEW
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Home.blundar
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From post: Doc Teaches ECU School A while ago, Doc and I had a conversation on IM that turned into a very informative post. It is now archived here for your reading ...
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DualPoint
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06 Jun 2005 - 11:54 - r1.2
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Home.1net
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Dual Point is used for refering to the DPFI ( Dual-Point Fuel Injection) motors and ECUs. It is essencialy the next generation of carbs. The fuel is injected with 2 ...
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DualRoms
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03 Oct 2005 - 14:07 - NEW
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Home.1net
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Honda RomMaps are 256 kilobits (32kbytes) Use a 2xC512 (512kbit/64kbyte) EPROM Make one rom image with two full RomMaps one beginning at offset 00h one beginning at ...
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DualRunnerManifold
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23 Feb 2006 - 07:35 - NEW
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Home.sonictronic
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A dual runner manifold like on the F22/B18C1/H22A has two passages for air to flow. When in a low rpm range the long runners are engaged to promote torque production ...
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DualTables
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Dual tables simply refers to there being two sets of fuel/timing information in a single ROM. Vtec is an example of this there is one set of tuning information for ...
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ECU
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24 Mar 2005 - 23:22 - NEW
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Home.Badboypolar
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Engine Control Unit a computer that controls a car engine. Below are some basic questions about ECU's answered. How do I tell if my ECU is manual or auto? http:/ ...
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ECU-CodeCompatibility
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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Most honda ECUs can run code from other ECUs of a similar age, and similar family. Civics and Integras generally can share code. Preludes and Accords are certainly ...
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ECUControl
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11 Apr 2005 - 22:50 - NEW
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Home.drdisco69
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see http://www.ecucontrol.com or the http://forum.pgmfi.org/viewforum.php?f 10 ECU Control forum for more information.
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ECUHardware
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06 Feb 2007 - 01:40 - r1.4
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Jared Karagen?
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This page describes how the hardware in an ECU works, and fun things you can do with it. If you are just wanting to learn how to chip your ECU , you should look at ...
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ECUHardwareMods
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23 Feb 2006 - 07:38 - r1.12
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Home.sonictronic
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It is possible to do may modifications to the hardware of a Stock ECU. You can convert AutoToManual . You can convert OneWireTo4WireO2Sensor if starting with a P08 ...
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EDM
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27 May 2005 - 11:39 - NEW
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Home.hondainfo
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European Domestic Market cars produced for Europe Compare to: JDM , USDM Note: EDM OBD1CivicIntegra ECU s generally lack the InjectorTestCircuit, KnockSensor, ElectricalLoadDetector ...
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EPROM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Electrically Programmable ROM ROM that can be programmed using a RomBurner The most common types pin-compatible with most OBD0 and OBD1 Honda ECU s are the 27C256 ...
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EasyRtpInstall
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30 Jul 2004 - 16:01 - r1.4
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Lego Z81
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Please Note: These installation instructions are preliminary. Please double check the instructions and report any errors. Once you've completed the construction of ...
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EasyRtpV10
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22 Dec 2004 - 20:36 - r1.10
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Home.synoptic
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This page is a construction design for the Easy-RTP V1.0 board. This is the single sided design for a DS1230 style 28 pin DIP NVSRAM. You can find the eagle design ...
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EcuBackupProcessor
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18 Nov 2004 - 17:30 - NEW
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Home.blundar
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Honda ECUs are engineered with many levels of redundancy. There is a Backup processor (labeled NEC BACK0004 in most OBD0 and Oki 6534 in most OBD1 (??)). The backup ...
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EcuChippingWirelist
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22 Nov 2005 - 23:59 - r1.4
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Home.markolson
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This topic is intended to help you debug soldering problems when chipping an ECU. The first section is generic advice for debuggiing all ECUs. The remaining sections ...
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EcuConnections
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01 Nov 2006 - 18:43 - r1.4
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Home.almskidd
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You can donate any ECU WireHarness setup here. Write the ECU type, engine, cam, XDM and carmodel and make a link to a thread at Harnesses and Conversions in the Approaces ...
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EcuDefinitionCodes
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02 Apr 2007 - 17:06 - r1.84
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Home.hackish
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Honda ECU definition codes These id codes are the last 3 digits printed directly on the MCU after the model number (e.g. M66207-251 the "251" portion will be a much ...
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EcuFamilies
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29 Jan 2007 - 15:49 - r1.23
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Home.1net
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ECU Families: TOC "Pre-OBD" Early fuel injection designs PG7 : 86-87 USDM / JDM Integra (D16A1 VacuumAdvance) PE7 : 85-87 EDM / USDM Civic/CRX Si (EW3/EW4 VacuumAdvance ...
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EcuSensors
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14 Apr 2006 - 13:08 - r1.4
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Home.edurmus
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Sensors present on almost all honda motors: CrankshaftPositionSensor Determines timing for fuel injection and ignition of each cylinder and also detects engine speed ...
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EcuTroubleCodes
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23 May 2006 - 16:01 - r1.3
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Home.Nuno Euro VTi?
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http://www.hybridgarage.com/tech/codes.html Hybrid Garage's list of ECU trouble codes is pretty good too. There is a good list of the ECU trouble codes and other ...
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EcuTroubleshooting
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14 Apr 2006 - 13:09 - r1.5
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Home.edurmus
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"my chipped ECU doesn't work! Help!" When you say "it doesn't work," what do you mean? There are a couple of common problems encountered when chipping ECUs: Sometimes ...
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EcuTuning
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19 Feb 2005 - 21:45 - r1.2
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Home.markolson
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. Author: blundar Date: 08-12-03 14:12 EGT (or ExhaustGasTempSensor) and WideBandO2 used in combination with DataLogging can be a really powerful tool. Timing changes ...
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EditText
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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All pages (except search results) have an EditText link at the bottom. You can edit the page you are reading by clicking that link. PhpWikiDocumentation
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ElectricalLoadDetector
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29 Jan 2005 - 18:49 - NEW
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Home.synoptic
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Electronic Load Detector measures electrical load used to determine if the alternator should be in low or high output mode. Since Hondas are running so lean at idle ...
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ElectronicPartSupplier
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22 Jun 2004 - 02:15 - NEW
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Home.phiz
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a handful of major electronic part suppliers: http://www.digikey.com Digikey good in-stock availability, great catalog, good website. http://www.arrow.com Arrow ...
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EngineCoolantTemperature
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05 Mar 2004 - 19:46 - NEW
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Home.blundar
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The EngineCoolantTemperature (ECT) sensor measures how warm (or cool) coolant passing through the motor is. Ed Gibson had this to say about it: 'Temperature lookup ...
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EngineSim
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27 Jan 2007 - 14:57 - r1.4
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Home.b16a2
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The Engine Simulator is a device designed to simulate a running motor to aid in ECU development. Some links: (None of which work as of 1.7.2005, and certainly way ...
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Epromer5
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A perpetual favorite among the GM crowd, the Epromer5 is a solid, tried and true product. As of October 10, 2003, prices ranged from $94.50 to $114.50 depending on ...
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Eprommer3.3
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The http://www.batronix.com/electronic/circuits/eeprommer.shtml Eprommer 3.3 has long been a favorite of the DIY community. The burner is simple to construct, not ...
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Eprommer5
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A perpetual favorite among the GM crowd, the Epromer5 is a solid, tried and true product. As of October 10, 2003, prices ranged from $94.50 to $114.50 depending on ...
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FindPage
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Here are some good starting points for browsing. HowToUseWiki gives you the quick lowdown on Wiki markup. RecentChanges recorded automatically. MoreAboutMechanics ...
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FuelCut
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A Fuel Cut is when fuel to the motor is shut off completely. This is usually done as part of a RevLimiter, LaunchControl or BoostCut routine. FuelCut RevLimiter s ...
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FuelOctane
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Fuel "Octane" is a measure of gasoline's resistance to PreIgnition. the http://www.faqs.org/faqs/autos/gasoline-faq/ Gasoline FAQ explains all you ever wanted to know ...
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FuelPressure
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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You can increase the amount of fuel delivered by increasing your static FuelPressure. High FuelPressure may however slow the injector from opening, sacrificing crisp ...
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FullDuplexDatalogging
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24 Oct 2005 - 05:56 - NEW
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Home.markolson
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Here is an explanation of half duplex vs full duplex serial port operation. It is really quite simple. With half duplex operation, only one side of the serial link ...
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FurtherReading
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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So you want to learn more about EFI theory, ECUs, or just stuff in general. This is intended to be a place to put links to stuff worth reading. HonData's http://www ...
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FutureActive
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10 Mar 2004 - 21:25 - NEW
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Home.blundar
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http://www.future-active.com Future Active is a major electronic parts distributor. They sell both the 27SF256 and Aries low-profile ZIF cheap.
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G-Spot
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11 Apr 2005 - 22:59 - NEW
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Home.drdisco69
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For more information, see the http://forum.pgmfi.org/viewforum.php?f 13 G-Spot forum .
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GhettoDyne
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11 Apr 2005 - 22:55 - NEW
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Home.drdisco69
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see http://www.ghettodyne.com for more info. TurboEdit can do everything GhettoDyne did and it is currently being actively developed. (oct 8 2003) For more information ...
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GoodStyle
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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"Young writers often suppose that style is a garnish for the meat of prose, a sauce by which a dull dish is made palatable. Style has no such separate entity; it is ...
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HardwareForOneWireVtec
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23 Sep 2006 - 17:08 - r1.3
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Home.tatou100
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First, let me give credit to JasonParker for coming up with the parts list; I finally laid my hands on a PS9 to get the part values. To mod the PM6 (and likely similar ...
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HelmsManual
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Helm Inc. http://www.helminc.com The distributor of the Honda ServiceManual. EF (88-91 Civic/CRX), EG (92-95 Civic), DA (90-93 Integra), DC (94-01 Integra) http:/ ...
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Hex2Bin
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24 Feb 2005 - 04:43 - r1.2
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Home.fastone
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You can convert HexFile s to BinFile s using http://www.keil.com/download/files/hex2bin.zip hex2bin (also available as an attachment to this page)
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HexFile
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25 Mar 2004 - 20:13 - NEW
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Home.sevedd
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A "hex" file is a file encoded in Intel Hex format. The Intel HEX file is an ASCII text file with lines of text that follow the Intel HEX file format. Each line in ...
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HiResP72
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17 Feb 2004 - 09:26 - NEW
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Home.tungsten2k
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HiResP72 is a custom P72 based ROM that has been modified to have the same size fuel and ignition lookup tables as used in the P28 so that tables can be copied/pasted ...
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HighCam
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30 Mar 2004 - 08:08 - NEW
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Home.tekphobia
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in a Vtec motor, the HighCam is used at higher RPMs. This CamShaft is generally optimized for power and higher-RPMs. See also: LowCam HighCam of VTEC camshaft:
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HonData
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Hondata are the current (nov 03) commercial leaders in stock Honda ECU development and reprogramming. They certainly have excellent, tried, proven tools for tuning ...
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Honda
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05 Mar 2004 - 18:19 - NEW
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Home.blundar
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Thank goodness for Honda Motor Company, otherwise we all would be without a hobby.
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HondaErrorCodes
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18 Nov 2004 - 21:11 - NEW
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Home.blundar
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Ripped from http://www.hybridgarage.com Honda ECU Trouble Codes by various contributors 1 Accord Civic CRV CRX Del Sol Odyssey Prelude 85-98 86-98 97-98 85-91 93-97 ...
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HowDoesDataLoggingWork
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24 Oct 2005 - 06:50 - NEW
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Home.markolson
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There are a number of programs that enable you to log data about how your engine is working by reading information out of the ECU. For my OBD1 ECUs, I use CROME Pro ...
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HowToUseWiki
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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''"Wiki wiki"'' means "quick" in Hawai'ian. All you really need to know is: To edit any page click on the Edit Text link at the bottom of the page. You should do that ...
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IAB
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Intake Air Butterflies a valve that opens and closes to switch between two available passages in the intake manifold. This is done to allow the use of a longer runner ...
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IdealGasLaw
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26 May 2004 - 18:14 - NEW
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Home.blundar
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the Ideal Gas Law is an equation you may or may not remember from high school chemistry. PV nRT P Pressure (must be an AbsolutePressure scale) V Volume n number of ...
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IdleAirControlValve
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05 Mar 2004 - 20:08 - NEW
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Home.blundar
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The Idle air control valve, or IACV regulates the car's idle based on the coolant temperature. Target idle settings vs. ECT: Note: this is ECU controlled and can be ...
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IgnitorReplacement
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23 Feb 2004 - 21:22 - NEW
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Home.blundar
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It is possible to replace the ignitor in the distributor with a solid state circuit to trigger the input of a MSD/Crane/etc. Dave: Note that the ZTX857 is not an absolute ...
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InjectorSizing
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Fuel Injectors must be sized to provide adequate fuel flow at maximum HP/RPM/Boost, while being small enough to provide low-enough flow during idle. Most PGM-FI systems ...
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InjectorTestCircuit
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22 Jun 2004 - 15:39 - NEW
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Home.blundar
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The Injector Test Circuit is present in USDM ECUs to determine whether injectors are connected to the ECU. Responsible for a Code 16.
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IntakeAirTemperatureSensor
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05 Mar 2004 - 19:46 - r1.2
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Home.blundar
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IntakeAirTemperatureSensor The intake air temperature sensor reads the temperature of air flowing into the motor. graph of resistance / temperature for stock IAT ...
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Intel8051
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23 Jul 2004 - 04:44 - r1.4
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Home.blundar
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for all you could want to know and a great tutorial, go to http://www.8052.com Any 8051 assembler will work fine for coding. Sysrad51, available http://www.systronix ...
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InterWiki
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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This wiki supports InterWiki links in a style copied from UseMod: wiki. Links to pages in other wikis can be made without having to know or type the full URLs, for ...
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InterWikiMap
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The InterWiki map used on this wiki is listed below. The map is taken from the text in the verbatim block below. (But this only works if this page is locked.) AbbeNormal ...
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IntroductionToECUChipping
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12 May 2006 - 09:00 - r1.10
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Home.hondainfo
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Introduction to ECU Chipping by David Blundell Please feel free to link to this article, but "mirroring" is highly discouraged, as you will not automatically receive ...
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JDM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Japanese Domestic Market cars produced for use in Japan Compare to: EDM , USDM Note: JDM OBD1CivicIntegra ECU s generally lack the ElectricalLoadDetector and PressureAtmosphere ...
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JoelEck
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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I'm Joel Eck, my PGMFI handle is 90wagon. It took me entirely too long to figure out 90wagon was not a valid wikiword, whatever that means. I'm having a bit of trouble ...
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KnockBoard
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12 Apr 2004 - 04:07 - NEW
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Home.tekphobia
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the knock board is a circuit board (seperate from main ECU PCB) mounted in the top-right hand corner of DOHC Vtec ECU s having a KnockSensor. The KnockBoard is responsible ...
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KnockReplacement
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23 Feb 2004 - 21:09 - NEW
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Home.blundar
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This is one of Dave B's pet projects. The stock honda knock board leaves a lot to be desired. It would be nice to incorporate a more modern stategy for preignition ...
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KnockSensor
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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KnockSensor s can be found on DOHC Vtec motors, such as the B16, B18C and H22. Also on SOHC Vtec OBD2 motors. A knock sensor is basically a special microphone that ...
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KnockSensorVoltages
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17 Apr 2004 - 02:03 - NEW
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Home.calvin
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Listed below is honda's table for appropriate knock noise @ WOT RPM KnockSensor Voltage(Volts) 0 0.01953125 800 0.01953125 1600 0.01953125 2400 0.05859375 3200 0.29296875 ...
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KurtsOBD0-OBD1
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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First attempt to post this OBD1 conversion write-up on wiki.pgmfi.org. Some sections need revision still and they are in italics/bold print. Please send any suggestions ...
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LabelDecode
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19 Sep 2004 - 19:21 - r1.3
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Home.blundar
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You can find out a lot from reading the label on a OBD1 ECU. This applies mainly to the Civic ECUs... dunno bount the integra ones. 37820-ABC-XYZ Digits Meaning ABC ...
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Latch
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05 Mar 2004 - 17:42 - NEW
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Home.blundar
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to latch something is to hold or preserve its state latches, like the 74HC373 are logic gates that hold the state of IO lines.
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LaunchControl
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10 Sep 2006 - 00:39 - NEW
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Home.yillo
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Launch control refers to a "two-step" revlimiter. The way this works operationally is fairly simple there is a lower RevLimiter while the car is stationary, so that ...
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LimpMode
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04 Mar 2004 - 00:45 - NEW
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Home.blundar
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Aka "Limp Home Mode" LimpMode is the mode of operation when the ECU's CEL is lit solid red indicating a major malfunction. It is intended to get the car home, and ...
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LittleEndian
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Little Endian is the layout of multi-byte values in memory used by many processors, including Intel x86's and OKI 66k's. Little Endian layout stores the least significant ...
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LowCam
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30 Mar 2004 - 08:06 - NEW
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Home.tekphobia
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In a vtec motor, the LowCam is used at low RPMs. Generally, this CamShaft is optimized for fuel economy and a smooth idle. See also: HighCam LowCam of VTEC camshaft ...
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MAX233
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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the http://www.maxim-ic.com Maxim MAX233 chip is commonly used to translate between TTL and RS232 levels during serial communication . It does not require any external ...
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MCU
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30 Jul 2004 - 19:19 - NEW
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Lego Z81
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MCU microcontroller A small CPU sometimes with RAM , ROM , EPROM , EEPROM , FLASH , or IO facilities onboard. Documentation on MCU's inside Honda ECU 's is http:/ ...
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MPFI
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Multi Port Fuel Injection refers to a fuel injection system with one injector per intake runner, and one intake runner per cylinder. On a four cylinder engine, this ...
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MafSensor
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The Mass Air-Flow Sensor directly measures the mass of the air entering the engine. This is accomplished using either a flapper-valve which is deflected a certain ...
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ManualChecksum
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19 Feb 2004 - 23:25 - NEW
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Home.blundar
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There are two ways to fix a checksum error. The first is to change the program of the ROM in such a way that the checksum routine is disabled / removed. Learn to code ...
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MapSensor
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13 Sep 2006 - 16:33 - r1.4
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Turbo EF9?
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The Manifold Absolute Pressure Sensor (MapSensor) tells the ECU what the absolute pressure in the intake manifold is (relative to AbsoluteVacuum). This allows the ...
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MapSensorEquation
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04 Mar 2005 - 22:43 - r1.2
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Home.markolson
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Modeling the MapSensor voltage output into a usable number. (From the Helm Manual:) http://www.pgmfi.org/twiki/pub/Library/MapSensor/honda stock map volt.jpg y mx ...
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MassAirFlow
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26 May 2004 - 17:42 - NEW
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Home.blundar
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A Mass Air Flow engine managment system uses a mass-air-flow sensor (MafSensor) which is placed in the intake tract to directly measure the mass of air entering the ...
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McuReaders
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05 Mar 2004 - 17:46 - r1.2
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Home.blundar
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All of the MCU readers described here take advantage of a design flaw of oki MCUs (and the design flaw is present on all MCUs we have seen to date). MCUs can use both ...
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MultiMeter
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A peice of test equipment used for measuring voltage, current, resistance, and possibly other electircal quantities and displaying the value in number form.
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MultiprocessorMode
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03 Jun 2005 - 10:07 - NEW
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Home.hondainfo
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MULTIPROCESSOR COMMUNICATIONS In applications where multiple controllers jointly perform a task, the master controller must be able to communicate selectively with ...
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NVSRAM
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23 Mar 2006 - 19:36 - r1.3
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Home.Nuno Euro VTi?
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NVSRAM Non Volatile SRAM fast, byte addressible, byte write, RAM that retains its contents after power is lost. NVSRAM usually takes one of several forms: Battery ...
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NicoAnalyze
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18 Jul 2005 - 02:10 - r1.2
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Home.roy
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Author: XDEep first thanks to nico for a great tool. the mishap im talking about is when you drag the scrollbar up and down, the cells get pushed around. so even though ...
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NokiaCableDatalogging
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15 Nov 2005 - 22:34 - r1.3
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Home.nate
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Jim Truett says: (original http://forum.pgmfi.org/viewtopic.php?t 1663) I have found a very good adapter to link the TTL output from an ECU to a Laptop or PC with ...
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NonVtec-To-Vtec
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27 Jan 2007 - 14:09 - r1.2
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Home.b16a2
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In most cases, it is relatively simple to convert non-vtec ECUs to Vtec. The same PCB was used in several ECUs, with components added or left off as needed. Look for ...
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O2InputMod
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05 Jun 2006 - 17:48 - r1.3
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Home.almskidd
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See http://www.marklamond.co.uk/tech-honda/pgm-fi/o2-input/o2-input.htm for details this lets you modify you ecu for 0-5v input. The ADC is converts the analogue voltage ...
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OBD
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31 Mar 2007 - 03:45 - r1.2
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Home.racingsky
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On Board Diagnostics General Overview In an effort to reduce vehicle emissions, the California Air Resource Board (CARB) required that an on board diagnostic system ...
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OBD0
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07 Apr 2006 - 03:20 - r1.6
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Home.carotman
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"OBD0" is not an official standard like OBD2 . It is most usually used to refer to MPFI ECUs made from 88-91 with ElectronicAdvanceDistributors found on OBD0MPFI ...
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OBD0BACKUP
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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the BACK0004 Processor made by NEC is present in all OBD0MPFI ECUs. It runs the car when the CEL is lit solid red and the ECU is in LimpMode .
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OBD0CodeCompatibility
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12 Jul 2005 - 19:25 - r1.3
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Home.4G vtec
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Can you run code from one OBD0MPFI ECU in another? The short answer to this is yes. The following has been tried before and is known to work successfully: PM6 in PR4 ...
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OBD0ConversionFormula
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12 Apr 2004 - 02:09 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...
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OBD0ConversionFormulae
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12 Apr 2004 - 02:06 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the values ...
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OBD0ConversionFormulas
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12 Apr 2004 - 02:08 - NEW
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Home.SYnoptic
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Describe OBD0ConversionFormula here. OBD016BitRPM is used for revlimiters, target idle and most other 16bit RPM values in the ROM. OBD0VSS is used to convert the ...
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OBD0Edit
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11 Apr 2005 - 22:58 - NEW
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Home.drdisco69
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For more information, see the http://forum.pgmfi.org/viewforum.php?f 19 OBD0Edit forum .
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OBD0InterChipCommunication
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17 Feb 2004 - 09:44 - NEW
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Home.tungsten2k
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There are several chips connected to the Oki83C154 or Oki80C154 MCU : NEC UPD7004C ADC 5128XRAM external SRAM Oki6260A IO controller 38256 EPROM (32k) in some cases ...
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OBD0MPFI
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30 Jan 2006 - 07:24 - r1.5
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Home.carotman
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There is a very distinct family of ECUs found in 88-91ish OBD0 hondas. The main characteristics of this family: Oki80C154 or Oki83C154 MCUs that are essentially Intel8051 ...
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OBD0Oki83C154Reader
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05 Mar 2004 - 17:56 - NEW
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Home.blundar
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Dave says: Well, borrowing an idea from Nico-HRED/Doc used in the 66Ks, here is a program that should read out the contents of a 83C154 MCU. It assumes that you have ...
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OBD0PM6PM7RAM_Locations
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17 Feb 2004 - 09:37 - NEW
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Home.tungsten2k
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;:Bytes: RAM Alt. Notes 02C.1 bit 060h set if MAP is too high 030h CPL of 031h XRAM-1004h 031h ECT 032h IAT XRAM-1005h 033h CPL of IAT } 034h barometer? 036h MAP 037h ...
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OBD0PR4
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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OBD0 PR4 ECUs from the USDM (and JDM?) 1.8L B18A-powered Integra have some quirks: There are two versions of the ECU, each using the same circuit board. One uses ...
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OBD0VSS
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Author: George Date: 12-03-02 22:36 VehicleSpeedSensor (VSS), stored in RAM location 06Ch does appear to be linear (to my surprise!), but can only read up to ~157kph ...
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OBD0VtecECUs
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The OBD0 VTEC ECU's are the PR3 and the PW0. These ECUs ran the B16A1 in OBD0 cars from 89-91. There is no code interchangeability between the two ECU's. They use ...
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OBD1
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13 Dec 2006 - 15:40 - r1.5
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Home.lithiumus
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" OBD 1" is generally used to refer to honda engine electronics from 92-95. Accords/Preludes used OBD1 connectors as early as 1990. This is not an official standard ...
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OBD1CN2
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31 Oct 2005 - 01:53 - r1.7
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Home.fred
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CN2 is the connector to the serial port on an OBD1 ECU. Here's the pinout of the Dataconnector IN a Honda ECU: 1: GND 2: RX (send Data from the PC to the ECU) 3: 5 ...
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OBD1CivicIntegraECUs
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21 Feb 2006 - 08:00 - NEW
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Home.dj_spark
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Almost all OBD1 ECU s used in 92-95 Civics and integras (but NOT preludes, accords, legends, etc.) are more or less electrically compatible. With minor tweaks, all ...
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OBD1CodeCompatibility
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22 Jun 2004 - 15:34 - NEW
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Home.blundar
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OBD1CivicIntegra ECU s are a common hardware platform. What this means is that you can (with minor modifications) run essentially any code on any ECU in the family ...
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OBD1J12
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05 Mar 2004 - 19:26 - NEW
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Home.blundar
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In its stock configuration, an OBD1 car has a diagnostic connector under the dash which is wired to the ECU's serial port. The ECU's serial port is also wired to OBD1CN2 ...
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OBD1Oki66207Reader-DIP64
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05 Mar 2004 - 18:16 - NEW
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Home.blundar
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First of all i'll thank Nico-HRED again for the info he posts in the general forum about the "66P507 Readout". I adapted the idea and simplified it, so everyone of ...
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OBD1Oki66207Reader-PLCC68
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08 Jun 2006 - 00:20 - r1.2
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Home.synoptic
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After doing Doc's mod to read out the stock rom from a Australian P30 ecu with the 66207 in a 64 pin dip config, I started thinking that somewhere on the web I saw ...
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OBD1P08AutoManual
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25 Nov 2006 - 13:52 - r1.3
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Home.kesnut
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RP17 and RP18 values Automatic Manual RP17 2.7K open RP18 4.7K jumped this is for board pn: 02d01550-1500 Auto to Manual: remove rp17 remove rp18 add a jumper to ...
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OBD1P13AutoManual
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19 Sep 2006 - 17:33 - NEW
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Home.carotman
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Most Auto Ecus have a jumper at RP11 and have a blank space at RP12. Move RP11 to RP12 and you now have a Manual ECU. Here a closeup of the JDM Jumper configuration ...
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OBD1PR4
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26 Dec 2005 - 03:53 - r1.3
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Home.Swap_File
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PR4 92-93 Integra RS/LS/GS (B18A) The PR4 also came in an OBD0 variety see OBD0PR4 for the 90-91 ECUs.
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OBD1_8bitFuel
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Given table value ''v'' and multiplier value ''m'', the fuel value as seen in a ROM editor is: Fuel(''v'',''m'') ''v m''/4 The result is presumably proportional to ...
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OBD1_8bitHighCamRPM
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26 Jul 2005 - 20:01 - NEW
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Home.mind-eracer
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This formula is used to convert values in the high cam table scales to real-world RPMs. If ''x'' is an 8-bit high-cam scale RPM value, HiCamRPM(''x'') 1875000 ''x ...
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OBD1_8bitMBar
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21 May 2005 - 03:50 - NEW
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Home.bigwig
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Assuming that the stock map sensor's maximum reading is 1764 Mbar, the formula to convert MAP byte value is ((1764 / 255) OBD1 8bitMBar / 2). When the rom's map value ...
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OBD2
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13 Dec 2006 - 16:03 - r1.4
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Home.lithiumus
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OBD 2 On Board Diagnostics 2 A standard in the US established in 1996 specifying standard methods for accessing vehicle engine computers, emissions controls and ...
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OBD2B
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31 Mar 2004 - 18:23 - NEW
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Home.blundar
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OBD2B refers to 99-00 Civic ECUs. They have a very slightly different connector layout than OBD2A ECUs.
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OBD2K
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31 Mar 2004 - 18:25 - NEW
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Home.blundar
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OBD2K is something I made up to differentiate the 01+ ECUs that run K-series motors from OBD2A and OBD2B ECUs.
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OBD2P5MAutoManual
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07 May 2005 - 06:06 - NEW
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Home.Jim Truett
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This is a very simple conversion. Move the SMD 0 ohm resistor from location RP13 on the bottom of the PCB to location RP14 on the top of the PCB. The 0 ohm SMD resistor ...
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Oki6260A
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02 Mar 2005 - 13:31 - r1.5
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Home.l3st4rd
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The Oki 6260A was manufactured for Honda by Oki. J. Wong has this to say: "I was just cleaning out my cube and just happened to run across a piece of paper with 6260A ...
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Oki80C154
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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MCU used in OBD0MPFI ECUs that has zero internal code memory. requires the use of an external EPROM It is mostly 8051 compatible, and features a third timer like ...
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Oki83C154
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05 Mar 2004 - 17:44 - r1.2
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Home.blundar
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MCU used in OBD0MPFI ECU s that has 16k on-chip code memory. Usually copy protected, but there are McuReaders. It is mostly 8051 compatible, and features a third ...
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OneWireTo4WireO2Sensor
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22 Apr 2004 - 02:59 - NEW
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Home.Jim Truett
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If you have an ECU that lacks the O2 heater circuitry such as a P05, it is easy to enable this functionality. To convert a P05 to pretty much anything else, you need ...
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OxygenSensor
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05 Mar 2004 - 20:05 - NEW
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Home.blundar
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The Oxygen Sensor measures oxygen content of the exhaust gases. Early Hondas used a 1-wire Oxygen Sensor but starting in the early 90's, a 4-wire sensor was used that ...
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P04
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01 Mar 2006 - 12:32 - r1.6
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Home.1net
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The P04 came in European cars. I'm not sure which years or models, so someone fill this in. They look nearly identical in design to late model PM5 ECUs. 1992 Civic ...
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P05
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28 Dec 2005 - 06:36 - r1.2
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Home.4g vtec
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P05 92-95 OBD1 Civic CX (D15B8) The P05 ECU came with the D15 SOHC non-vtec motor with close-coupled cat and a 1-wire O2 sensor in the 92-95 Civic CX. Basically an ...
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P06
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25 Feb 2004 - 20:30 - NEW
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Home.blundar
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P06 92-95 OBD1 Civic DX (D15B SOHC non-vtec) (Thanks Katman!) Thanks Katman:
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P07
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26 Jun 2005 - 05:29 - r1.3
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Home.markese
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P07 92-95 OBD1 Civic VX (D15Z1) Unique in that it has two 66207 processors (one presumably for the wideband O2) Note: 303 P07 Code is very similar to 304 P28-A01 Code ...
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P08
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30 Mar 2004 - 02:18 - r1.2
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Home.eg6ajk
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P08 92-95 OBD1 Civic/CRX VTi/VXi (D15B sohc vtec) 1 Wire O2, otherwise pretty similar to P28 .
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P0A
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18 May 2006 - 18:59 - r1.3
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Home.kabuki
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P0A 94-95 OBD1 Accord EX attached pic is a 94 P0A-A51 PCB is IPT 02D010B0-1502 The data below has been copied over from the P13 page as a place holder. Only a few ...
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P13
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19 Sep 2006 - 17:13 - r1.15
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Home.carotman
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P13 93-95 OBD1 Prelude Vtec (H22A DOHC Vtec) RAM Location Bytes Description Notes 00A4 1 MAP sensor 00AB 1 Tps Sensor OBD1 8bitTPS 00AE 2 RPM in 16bit form 00D9 1 ...
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P13JDM
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17 Feb 2004 - 09:27 - NEW
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Home.tungsten2k
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RAM Location Bytes Description Notes ROM Location Bytes Description Notes 2EC1 1 Rev Limit Desired RPM/45.18 some 8-bit decimal value. change to Hex and put in 2EC1 ...
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P14
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26 Jan 2007 - 23:58 - r1.3
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Jared Karagen?
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P14 93-95 OBD1 Prelude Si (non Vtec H23A) There are at least 2 versions of this ECU: One with and one without knock sensor. The ECUs with a knock board have R118 ...
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P14ToP13
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28 Apr 2005 - 05:11 - r1.2
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Home.speed_of_bokchoy
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How to convert an OBD1 P14 into a OBD1 P13 by Andrew Congdon I've now suceeded in converting a P14 to P13. Here's what I added to a P14-Q00 to make it electrically ...
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P1J
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29 Jan 2007 - 16:14 - NEW
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Home.1net
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P1J and P1K come from 96-00 UK civics with D14 engines. Despite the years, those are OBDI ECUs and seem to be easyly convertable for vtec Sorry for the bad images ...
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P1K
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29 Jan 2007 - 16:06 - NEW
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Home.1net
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P1J and P1K come from 96-00 UK civics with D14 engines. Despite the years, those are OBDI ECUs and seem to be easyly convertable for vtec Those OBDI P1J or P1K ECUs ...
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P28
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26 Jul 2005 - 21:54 - r1.8
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Home.-anton-
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P28 92-95 OBD1 Civic Si/Ex and Del Sol(SOHC VTEC D16Z6) scan of auto: http://pgmfi.org/resources/FAQ/scans/P28autoback.jpg scan of auto (thanks turboef9): http:/ ...
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P2P
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21 Apr 2006 - 19:55 - r1.2
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Home.almskidd
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P2P (Stock Bin) This Bin is based on a P30 with P2P Maps (P2P230) 96-98 OBD2A Civic EX Coupe 99-00 OBD2B Civic EX Coupe Ignition Timing info Y8 Timing Issues
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P30
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23 Mar 2007 - 11:36 - r1.27
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Home.johncui
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P30 (Rom #203) P30-G01 95 Uk Civic Vti Hatch, Big case one. Uses CPU's internal rom, but has space for external rom. Ran code from rom above OK but needed knock sensor ...
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P54
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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P54 92-95 OBD1 JDM Domani/1.8l Accord (1.8L B18B DOHC) Scan: http://pgmfi.org/resources/FAQ/scans/P54-92-900ajk.jpg Scan (Thanks eg6ajk): http://pgmfi.org/resources ...
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P5M
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27 May 2005 - 11:55 - NEW
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Home.hondainfo
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37820-P5M-G61 083-100565 EDM Honda Prelude 97 2.2VTI Automatic Board: Denshigiken E2Y-B 0014F-L5000-00 X1 : 31MHz IC1: OKI M66509 524 (microcontroller) IC2: OKI M6434 ...
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P72
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02 Apr 2006 - 02:18 - r1.18
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Home.91crxsi
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ROM addresses and their functions specific to the stock Honda P72 used in: 94-95 OBD1 Integra GSR (1.8L B18C? DOHC Vtec) 96-00 OBD2 Integra GSR Picture of OBD1 P72 ...
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P72DebugMode
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Similar to P30DebugMode, enabling/disabling this option will enable/disable several other features. Here's the proof: LCB A, 0547eh ; 53A7 0 02 08 909D7E54 STB A, ...
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P73
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23 Feb 2004 - 20:46 - NEW
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Home.blundar
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P73 96-00 OBD2 Integra Type-R (JDM USDM) Scan (Thanks Katman!): http://pgmfi.org/resources/FAQ/scans/P73OBD2immobilizer.jpg scan
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P74
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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P74/75 94-95 OBD1 Integra RS/LS/GS (1.8L B18B) Scan (Thanks Katman!): http://pgmfi.org/resources/FAQ/scans/P75OBD1top.jpg scan
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P91
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16 Mar 2004 - 19:18 - NEW
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Home.blundar
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P91 92-95 OBD1 JDM Civic Coupe (sohc vtec 1.6) How to identify: http://pgmfi.org/resources/FAQ/scans/P91identify.jpg Scan (Thanks Katman): http://pgmfi.org/resources ...
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PCB
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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PCB stands for printed circuit boards. PCBs are the boards ECUs and computers in general use. They are made by printing a design onto a copper plated board and then ...
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PE7
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19 Feb 2004 - 22:55 - r1.3
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Home.blundar
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the PE7 came on 85-87 EDM/USDM Civic/CRX Si (EW3/EW4 Vacuum advance) cars. Thanks to Mark Lamond for the scans. ATTACHURL /PE7-682-87 Civic Si.bin PE7-682-87 Civic ...
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PG7
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30 Oct 2004 - 16:18 - r1.4
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Home.TJ
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PG7 : 86-87 Integra (D16A1 vacuum advance) PG7 : 88-89 Integra (D16A1 electronic advance) Note: The bastards at honda designated two very different ECUs with the ...
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PH3
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30 Jan 2006 - 07:20 - NEW
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Home.carotman
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THe 88-89 Accord OBD-0 B20A ECU uses an Electronic Advance distributor. It has an External 27c256 ROM and is oki 80c154 based This ECU is very similar to the PK2 ECU ...
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PJ0
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29 Dec 2006 - 20:25 - r1.3
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Home.carotman
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The A20A 86-89 Accord/Prelude PJ0 ECU had many revisions in different countries. Some of them will lack an O2 sensor or EGR control. However, they all use a vacuum ...
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PJ1
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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PJ1 : 85-87 EDM Integra 1.6i-16, CRX MK1 1.6i-16 Thanks to Mark Lamond for the scans (EDM)
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PK2
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18 Oct 2006 - 08:41 - r1.5
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Home.chen
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Prelude OBD-0 B20A ECU. Electronic Advance. External 27c256 ROM. oki 83c154 based pk-2 ecu photo.: I posted the Options Close-up for the PK2-6640 manual B20A ECU. ...
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PM5
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08 Jul 2005 - 14:52 - r1.3
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Home.1net
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PM5 88-91 Civic base model/CRX DX (DPFI D15b) There were two distinct styles of this ECU. One features an 83C154 MCU, one features a 66201 MCU. Presumably 88-89 vs ...
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PM6
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11 Apr 2005 - 22:08 - r1.3
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Home.drdisco69
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The PM6 came in 88-91 USDM D16A6 powered Civic and CRX Si. The PM6 is a major development platform. See the 8XC154 Dev Forum for current happenings. ATTACHURL /PM6 ...
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PM6Future
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The PM6 Future code module is available from the PGMFI SourceForge page. Currently, DaveBlundell, Michael (hackish) and Chris Donahue appear to be the most active ...
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PM7
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25 Mar 2006 - 22:12 - r1.4
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Home.Orion
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The PM7 ECU was used (mainly) in 88-91 DOHC ZC motors in Europe and Japan. PM7 code is very similar to PM6 code, and the code from one ECU can be run on the other ...
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PM8
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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The PM8 came in the US on 88-91 CRX HF. These ECUs always lacked external ROMs, and they seem to be just a wee lil bit different than PM6 / PM7 in terms of hardware ...
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PM9
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17 Jun 2004 - 04:28 - r1.4
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Home.warrick
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Essentially a PM5 The PM5 PM9 are essentially the same ECU. I think one may have been for the 4 speed and one the 5 speed, but I'm not sure. (blundar) The PM9 that ...
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PP5
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12 Mar 2005 - 01:08 - r1.6
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Home.crex
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PP5 : 90-93 (??) UK Rover 216 Cabrio Rover (UK) had an agreement with honda where honda engines (ZC, most notably) ended up in Rover cars. They continued to use OBD0 ...
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PR3
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29 Jan 2005 - 07:10 - r1.4
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Home.noriega
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PR3 89-93 JDM B16A EF8/9 MCU M66x301 58 and 93 Note: There are both OBD0 and OBD1 ECUs designated "PR3" and they are not in any shape or form compatible with each ...
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PR5
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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PR5 : 90-91 JDM Integra ZXi (1.6 sohc) This is the JDM equivalent of the USDM D16A6.
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PS9
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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PS9 : 90-91 USDM Civic EX (1.6L SOHC usually auto) The PS9 is identical to a PM6 with the addition of the circuitry to control an automatic tranny.
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PS9AutoManual
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06 Jan 2006 - 03:43 - r1.3
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Home.voodooboy520
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Remove R62,R64,R66 right by the center divider to turn an auto ECU into a 5 spd. JDM ECUs also require the addition of BR3. This also applies to PG7, PM6 and PM7 ECUs ...
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PT3
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25 Mar 2006 - 19:57 - r1.3
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Home.acclude
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PT3 90-93 OBD1 USDM Accord SOHC non-vtec F22A1 This ECU shares the shares the same PC board with the EDM PT5 Accord ECU (02D01190-1504) Scan: http://pgmfi.org/resources ...
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PT5
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08 Feb 2006 - 06:23 - NEW
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Home.carotman
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PT5 90-93 OBD1 EDM Accord SOHC non-vtec F20A7 This ECU shares the shares the same PC board with the PT3 Accord ECU (02D01190-1504)
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PW0
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11 Mar 2004 - 10:33 - NEW
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Home.introspeed
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PW0 89-91 JDM/Euro B16A EF8/9 DA6-XSi (DOHC VTEC) M66x301 scan of PW0-000 http://pgmfi.org/resources/FAQ/scans/PW0-000 component1.jpeg scan of PW0-000 http://pgmfi ...
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PartsForECUs
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14 Apr 2007 - 17:07 - r1.13
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Home.thc07
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Value Description Board Locations Used for Notes DigiKey # Digikey Price 22pf Cap Ceramic Disk C75 , C89 , C72 , C74 1330ph-nd 0.072 .1uf Cap Ceramic Disk C51 , C52 ...
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PgmfiD51
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05 Mar 2004 - 19:46 - NEW
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Home.blundar
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blundar modified a dasm he found, D51, to support the A5 instruction as is peculiar on the Oki 8XC154 MCUs. Blundar made linux binaries. Chris D make windows binaries ...
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PhpWiki
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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You are using PhpWiki at this very moment. Incredible, ain't it? Visit our home page at http://phpwiki.sourceforge.net/ and see PhpWiki in action at http://phpwiki ...
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PiggyBack
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07 Apr 2005 - 21:24 - NEW
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Home.blundar
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A PiggyBack controller is a device that "piggybacks" on top of the ECU. Piggybacks intercept signals coming from the engine and alter them before they reach the ECU ...
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PopolVuh
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Describe PopolVuh here. My PGMFI.ORG ID is opagan aka Popola... ok, I'm the guy who send the Excel file that gave origin to this wonderful Wiki idea...
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PreIgnition
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03 Mar 2005 - 21:43 - NEW
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Home.blundar
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Pre Ignition is a bad thing. It is also frequently referred to as "knocking" because of the sound it makes at low intensities. It is also frequently called "detonation ...
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PreludeAccord
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16 May 2005 - 14:26 - r1.2
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Home.sloopy
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OK, here is what I know about these ECUs. The PT6-A51 I have here has a 66911 MCU and uses an external 256k PROM. I got an ECU out of a 1994 Prelude SI with a 1.6 ...
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PressureAtmosphere
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30 Mar 2006 - 13:07 - NEW
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Home.edurmus
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the atmospheric pressure sensor, also called ''barometric pressure'' or ''PA'' sensor measures a much narrower range of pressure centered(??) around atmospheric pressure ...
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ProposedDataloggingProtocol
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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This is a working draft of a proposed protocol to replace the stock serial interrupt handler. It is intended to be cross platform (i.e. both OBD0MPFI ECUs and OBD1CivicIntegraECUs ...
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RAM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Random Access Memory Think of it as the brain's short term memory store. Used to store variables and other data being actively used. Erased when power lost.
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RM11
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26 Jul 2005 - 18:05 - NEW
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Home.hackish
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Author: Deluded Date: 04-04-03 01:19 RM11 CAN be replaced with 3 resistors: From pin 1 to 2...10k ohm (digikey# 10kebk-nd (200 for US$4.70)) 2 to 3...51K (51kebk-nd ...
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RTFM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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RTFM is a acronym for "Read The Fucking Manual". If you are told this... you should probbabally do some searching around http://wiki.pgmfi.org WIKI and the http:/ ...
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RTP
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Real Time Programmability The ability to change the program/tuning of an ECU while the ECU is running the motor. Currently, only the http://www.zdyne.com Zdyne SECU ...
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RTPProject
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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blah blah, describe this later. http://www.pgmfi.org/phorum/read.php?f 5 i 3968 t 3968 messageboard link . Here's an incomplete part ordering list so far. Parts list ...
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RatShack
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Radio Shack is no longer a good place to go for electronics parts unless you are hurting or your local radio shack is something very special. Try a different ElectronicPartSupplier ...
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RealTimeProgramming
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26 May 2004 - 18:52 - r1.6
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Home.hackish
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Used for tuning your ecu and making changes to it on the fly. Hardware EasyRtpV1.0 Easy-RTP v1.0 Dave's single sided adaptation of Doc's original DS1230Y based design ...
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RecentEdits
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Here's a list of recently edited pages on this wiki. All minor changes are shown, not just the most recent ones. (See RecentChanges for the most recent non-minor changes ...
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RedLoctite
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Red Loc-Tite is like a wife... your stuck with her and to get rid of her, it's gonna cost you a bundle. Unlike BlueLoctite. You put Red Loc-Tite on a bolt that is ...
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ReleaseNotes
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Jeffs Hacks. New database API. See lib/WikiDB.php and lib/WikiDB/backend.php for the bulk of the documentation on this. The new database can save multiple archived ...
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RemoveAKnockSensor
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21 Sep 2006 - 13:46 - r1.4
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Home.carotman
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Removing the knock detection is simple: Resolder R118 and R119 into R142, 143. Then, Remove R101 (optional). Finally, remove the knock board itself. no knock.jpg: ...
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ReplaceM5128
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27 Feb 2004 - 17:59 - NEW
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Home.synoptic
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This page explain how to replace the current 5128XRAM 2K SRAM chip by a DS1220 NVSRAM for future RTP solution. TOC Brief Explanation The M5128 chip is used to store ...
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RomBurner
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29 Mar 2004 - 21:23 - NEW
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Home.blundar
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A ROM Burner is a device that programs ROM , EPROM , EEPROM , FLASH chips. There are several ROM burners that are worth mentioning for the DIY enthusiast. It does ...
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RomEditor
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20 Feb 2004 - 00:37 - NEW
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Home.blundar
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PGMFI.ORG-made Software software written by forum members to help with ECU tasks ASM662 AndySloane's open source Oki NX8/200 code 66K assember/disassembler suite ...
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RomEmulator
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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ROM Emulators "look" like a ROM to whatever you connect them to. In most cases here, that would normally be an ECU. The most important feature of a RomEmulator compared ...
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RomMaps
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12 Apr 2004 - 02:07 - r1.6
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Home.SYnoptic
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Rom Maps An area to collaborate on all the memory addresses found in ROMs TOC OBD1 Civic and Integra ECUs OBD1CivicIntegraECUs share a lot of features Memory Locations ...
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Rover
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05 Mar 2004 - 18:20 - NEW
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Home.blundar
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Rover is a British car manufacturer that has bought many motors from Honda. The ZC was used in many of the Rover Cabrios, and the Acura V6 found in the Legend showed ...
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RtpTruthTable
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Peusdotruth table for RTP logic compatible with both OBD0 and OBD1 hardware: (/PSEN) (OBD1) (DS1230AB) A15 /WR /OE /CS /IOWE /WE /OE /CE 0 a b c a 1 b c 1 a X X 1 ...
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SOHC
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Single ~OverHead Cam motors have a single CamShaft that opens both IntakeValves and ExhaustValves. Most "D" series motors are SOHC. See also: DOHC
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SandBox
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29 Oct 2004 - 02:59 - NEW
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Home.markolson
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File:http://www.nitroburn.com/pgmfiwiki/uploads/myfile.bin Adding a URL to http://www.elexol.com Elexol here. Also making a new page UsbToSerialConverterSecondGen ...
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SecondGenUsbToSerialConverter
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13 Feb 2005 - 07:53 - r1.6
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Home.markolson
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A company named http://www.elexol.com Elexol makes a second generation serial-to-USB port adapter called the http://info.hobbyengineering.com/specs/USBMOD3.pdf USBMOD3 ...
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SerialAdapter
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22 Jun 2004 - 02:12 - r1.2
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Home.phiz
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All Honda ECUs use 5v TTL signaling for serial communication . In order to connect to an ECU, if the hardware used for DataLogging doesn't support this, you must use ...
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SerialCommunication
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27 May 2005 - 12:39 - NEW
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Home.hondainfo
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Serial communication Serial communication is a popular means of transmitting data between a computer and a peripheral device such as a programmable instrument or ...
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Sim
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28 Jan 2007 - 12:26 - r1.3
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Home.b16a2
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This is a Engine Simulator I build to help me out with hardware Development. Its basicly built into a rack mount computer case and uses a ATX 350W power supply. http ...
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SolderingIron
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Soldering Irons come in all shapes and sizes. Some basic guidelines: Generally, a grounded iron (3-prong) will work better than an ungrounded one. You don't need a ...
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SparkCut
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A spark cut is when fuel continues to be supplied to the motor but no sparks are triggered to ignite the fuel. This is a good way to shoot flames out of the back of ...
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SpeedDensity
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26 May 2004 - 17:39 - NEW
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Home.blundar
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What is a SpeedDensity engine managment scheme? SpeedDensity systems calculate the amount of air entering a motor using sensors that monitor engine operating conditions ...
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SpeedLimiter
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01 Jun 2005 - 20:37 - NEW
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Home.hondainfo
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A speed limiter limits the top speed of a car. In almost all hondas, a SpeedLimiter will be implemented as a piece of code that reads the VehicleSpeedSensor and cuts ...
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SuperProZ
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The http://www.xeltek.com Xeltek http://www.xeltek.com/product/programmer/spz.html SuperProZ retails for $249. It is still a parallel interface programmer like most ...
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TestPage
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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New lists: asterisks, hash marks, and ";text:def" bullet l1 l2 l2 l3 # one #two #three ;Term1:definition1.1 ;: defintion1.2 ;Term2 :defintion2 ;; Term3:defintion3 ...
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ThrottleBody
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The throttle body is the housing that contains the ThrottlePlate, IdleAirControlValve, and MapSensor. The throttle cable is also connected to this. The throttle body ...
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ThrottlePlate
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The throttle plate is a plate inside the ThrottleBody that opens and closes as the accelerator is pressed or released. This allows air to enter and exit the motor ...
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TopDeadCenterSensor
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16 Oct 2006 - 07:33 - r1.2
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Home.edurmus
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This sensor is inside the distributor. 1991 crx it inside the distributor, 4 teeth magnetic sensor. it produce 4 pulse per 1 canshaft revolution.
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TpsSensor
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05 Mar 2004 - 20:03 - r1.2
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Home.blundar
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The TPS or Throttle Position Sensor determines the angle of the ThrottlePlate in the ThrottleBody and depending on other info from the MapSensor, OxygenSensor, and ...
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TroubleshootingSolidCEL
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27 Dec 2004 - 18:16 - r1.2
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Home.markolson
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Solid CELs are arguably one of the easier problems to troubleshoot because there are relatively few things that cause them to happen. A "solid" CEL occurs when there ...
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TuningForSmog
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19 Feb 2005 - 22:08 - NEW
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Home.markolson
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How to tune to pass a smog test The situation: We are trying to get our 88CRX B16A swap past the CA smog ref, so tuning for smog is exactly what we are trying to ...
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TuningTiming
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10 Apr 2006 - 12:01 - r1.2
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Home.edurmus
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Tuning ignition timing is not a simple topic. Lots of factors change optimal ignition timing chemistry stuff, mechanical stuff, etc. etc. A true understanding of ...
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Turbo
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A turbocharger by definition is a centrifugal compressor which boosts the intake pressure of an internal-combustion engine, driven by an exhaust-gas turbine fitted ...
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TurboEdit
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14 Jun 2005 - 09:05 - r1.4
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Home.4thgen91efhatch
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Turbo Edit is JasonParker 's OBD0MPFI ROMEditor . It seems to be picking up where GhettoDyne left off. See http://www.TurboEDIT.org/ or the http://forum.pgmfi.org/viewforum ...
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UPD7004C
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27 Jun 2005 - 10:08 - r1.7
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Home.1net
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The NEC UPD7004C is an ADC chip found in OBD0MPFI ECUs. Documentation on it was very hard to find. :) We looked and googled for months, and then finally I emailed ...
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USDM
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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United States Domestic Market cars destined/made for the United States. Compare to: EDM , JDM Note: USDM OBD1CivicIntegra ECU s generally are the most feature-filled ...
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UV-Erase
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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many chips have a clear glass window in the top of them. If you expose them to short UV (i.e. the kind that causes instant cancer) from a sterlizer lamp or UV-eraser ...
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UberDataERM
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11 Apr 2005 - 22:52 - NEW
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Home.drdisco69
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UberData and ERM are two editors written by Vertigo. They were the first public editors to support boost. You can contact blake directly for more information on them ...
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UberP72
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17 Feb 2004 - 09:24 - NEW
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Home.tungsten2k
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UberP72 is a any P72 based ROM that has been modified to be used with UberDataERM . Please add only addresses that are specific to this implementation! All standard ...
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UnderstandingMaps
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21 Nov 2005 - 19:26 - r1.2
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Home.ben ogle
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Understanding Fuel and Ignition Maps. Fuel Maps Below around 80 throttle, the ECU uses the oxygen sensor in conjunction with the fuel tables to calculate how much ...
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VacuumAdvance
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20 Feb 2004 - 00:23 - NEW
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Home.blundar
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Vaccuum Advance is a purely mechanical method for varying the amount of SparkAdvance based on engine load. A vac-advance distributor is connected to a source of engine ...
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VehicleSpeedSensor
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27 Sep 2005 - 10:22 - r1.2
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Fast Hatch?
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The Vehicle Speed Sensor ( VSS ) tells the ECU how fast the car is moving. In most hondas, it pulses to ground 4 times per revolution of the axles. Most OBD0 cars ...
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Vtec
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Vtec is honda's patented system for variable CamProfile s. It effectively gives an engine two independent cam profiles. The idea is that the LowCam has conditions ...
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VtecSolenoid
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29 Sep 2004 - 21:45 - r1.2
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Home.Bulter
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The Vtec solenoid is a solenoid that is controlled by the ECU. When a 12v signal is applied to it, it opens allowing oil pressure to switch from the LowCam to the ...
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WabiSabi
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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Since wabi-sabi represents a comprehensive Japanese world view or aesthetic system, it is difficult to explain precisely in western terms. According to Leonard Koren ...
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WasteGate
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A Wastegate is a device that lets exhaust gas escape bypassing a turbocharger. Because turbochargers create boost using energy from exhaust gas, the wastegate can ...
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WebHome
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30 Mar 2007 - 22:03 - r1.26
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Home.racingsky
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Welcome to the PGMFI Library! If at any time you wish to return to this main wiki page, click the Project PGMFI logo. THIS IS A NEW WIKI ENGINE. PLEASE SEND EMAILS ...
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WebPreferences
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17 Feb 2004 - 22:22 - NEW
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Home.blundar
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TWiki.Library Web Preferences The following settings are web preferences of the TWiki.Library web. These preferences overwrite the site-level preferences in TWIKIWEB ...
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WebStatistics
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01 Nov 2007 - 03:49 - r1.260
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TWiki Guest
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Statistics for Library Web Month: Topic views: Topic saves: File uploads: Most popular topic views: Top contributors for topic save and uploads: Nov 2007 1121 0 0 ...
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WhatYouNeed
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11 Apr 2005 - 22:19 - r1.6
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Home.drdisco69
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"Chipping" an ECU means replacing the program running the ECU . Chipping is just slang. What we actually do is program (or "burn") a new bin file to the ROM to replace ...
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WhyDoPiggybacksSuck
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07 Apr 2005 - 21:22 - NEW
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Home.blundar
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I got tired of typing this repeatedly on discussion boards, so I decided to add it here. If you don't know what a PiggyBack controller is, read about it first. PiggyBack ...
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WideBandO2
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17 Feb 2006 - 19:56 - r1.6
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Home.kabuki
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What is a Wideband O2 sensor It is an OxygenSensor that gives stable output over a much larger range than standard 1-wire or 4-wire oxygen sensors. It is helpful ...
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Wiki
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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What is a WikiWikiWeb? A description of this application. Learn HowToUseWiki and learn about AddingPages. Use the SandBox page to experiment with Wiki pages. Please ...
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WikiPlugin
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The latest hacks include support for !WikiPlugins. WikiPlugins allow one to easily add new types of dynamic content (as well as other functionality) to wiki pages ...
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WikiWikiWeb
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A WikiWikiWeb is a site where everyone can collaborate on the content. The most well-known and widely used Wiki is the Portland Pattern Repository at http://c2.com ...
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WikiWord
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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A WikiWord consists of two or more words with initial capitals, run together. When you type a WikiWord, you establish a hyperlink. It's as easy as that. Wiki Words ...
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Willem
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24 Nov 2005 - 00:08 - r1.4
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Home.4g vtec
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The http://www.willem.org Willem programmer is essentially an open design / open source ROM burner. It is far from a polished design the software was very buggy and ...
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WinHex
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12 Jul 2004 - 14:09 - NEW
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Home.synoptic
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WinHex is a very cood hexadeciaml editor for Windows. It can calulate checksum, and many other usefull things. You can download it here : http://www.x-ways.net/winhex ...
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WireHarness
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12 Apr 2006 - 06:13 - r1.3
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Home.Ace0246
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A WireHarness is a term for the connetors and wires that are connected to the ECU. OBD0 , OBD1 and OBD2 all have different connectors and there are different wire ...
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XE5
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19 Feb 2004 - 22:55 - r1.2
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Home.blundar
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88-91 (dates questionable?) Mugen Race platform (ZC) The XE5 code is derived from the PM7- specifically, the PM7-0330 that lacks an O2 sensor. It is a "race only" ...
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ZIF
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10 Mar 2004 - 21:24 - NEW
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Home.blundar
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ZIF stands for Zero Insertion Force. ZIF sockets are commonly used in ECU s where the EEPROM will be removed and reinserted frequently. "ZIFing an ECU" is when you ...
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_EA
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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EA (EA Prime) is a pin on the MCU that controls whether the MCU runs off Internal ROM or an external ROM chip. EA is pin 31 on 40-pin Intel8051 MCU s OBD1J1 J1 on ...
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uncorked
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19 Feb 2004 - 22:01 - NEW
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TWiki Guest
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The stock code divides the MapSensor reading by two. This caps the maximum pressure the ECU can respond to by half the maximum of what the MapSensor is capable of ...
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Number of topics: 523
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Copyright © 2002-present by the contributing authors. All material on this collaboration platform is the property of the
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