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 <<O>>  Difference Topic PR3 (r1.4 - 29 Jan 2005 - Home.noriega)

 <<O>>  Difference Topic PR3 (r1.3 - 27 Jul 2004 - Home.averageJoe)
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 <<O>>  Difference Topic PR3 (r1.2 - 30 Mar 2004 - Home.eg6ajk)
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This picture shows Auto/Manual selection on a OBD0 PR3:

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This picture shows Auto/Manual selection on a OBD0 PR3:

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(thanks OBD1 Kenobi)

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(thanks OBD1 Kenobi)

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This picture is of a 92-93 OBD1 JDM Integra RSi/XSi (B16A)

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This picture is of a 92-93 OBD1 JDM Integra RSi/XSi (B16A)

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 <<O>>  Difference Topic PR3 (r1.1 - 17 Feb 2004 - Home.tungsten2k)
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%META:TOPICINFO{author="tungsten2k" date="1077010244" format="1.0" version="1.1"}%

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 other.

This picture shows Auto/Manual selection on a OBD0 PR3:

scan

(thanks OBD1 Kenobi)

OBD1 PR3s are much more like the P28/P30 in terms of design and structure, and they use the same circuit board, usually a 02D01720-1500. They are a member of the OBD1 Civic Integra family.

This picture is of a 92-93 OBD1 JDM Integra RSi/XSi (B16A)

scan

To add an address, click Edit below, find where your Hex Offset address is, and then add your new entry like so:

"|''location''|''length in bytes''|''description''|''notes''|"

OBD0 PR3

Location Bytes Description Notes
31DE 1 Warm/high cam revlimit uses the OBD08 Bit Rev formula
31D8 1 Low cam revlimit uses the OBD08 Bit Rev formula
31E0 1 High cam restart uses the OBD08 Bit Rev formula
3414 1 VTEC disengage The ECU uses 3418 (Tested by Ben Ogle)
3415 1 VTEC engage The ECU uses 3419 (Tested by Ben Ogle)
3416 1 VTEC disengage The ECU uses 3418 (Tested by Ben Ogle)
3417 1 VTEC engage The ECU uses 3419 (Tested by Ben Ogle)
3418 1 VTEC disengage uses the OBD0 VTEC formula
3419 1 VTEC engage uses the OBD0 VTEC formula
341A 1 VTEC disengage The ECU uses 3418 (Tested by Ben Ogle)
341B 1 VTEC engage The ECU uses 3419 (Tested by Ben Ogle)
3BE6 255 Ignition map 1 uses the OBD0 Ignition formula
3CE5 255 Ignition map VTEC the first row is not used so its really a 15x16 map at 3CF4 But the extra row works good as filler
3DE4 255 Fuel map 1 uses the OBD0 Fuel formula
3EE3 15 Fuel multipliers 1 fuel Column Multipliers for fuel map 1
3EF2 255 Fuel map 2 uses the OBD0 Fuel formula
3FF1 15 Fuel multipliers 2 fuel Column Multipliers for fuel map 2

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Revision r1.1 - 17 Feb 2004 - 09:30 GMT - Home.tungsten2k
Revision r1.4 - 29 Jan 2005 - 07:10 GMT - Home.noriega 		%WEBCOPYRIGHT%