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P07

P07 9295 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...

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Adapted from pgmfi.org wiki

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, at least vectors are the same!

RAM

Location Bytes Description Notes
00CC 1 Speed sensor Km/h
00D9 1 ECT sensor 0v-5v 0x00-0xFF

ROM

Location Bytes Description Notes
1292 1 VTEC Coolant Temp Check (0xD8 enables, 0xFF disables)
1997 1 Speed limiter Value B7 is 183 km/h (114mph); FE is 254 km/h (158 mph)
1998 2 Speed Limiter Routine Bypass Change from jge label\_something to two NOPs (00 00) to disable speed limiter
2BA3 2 Checksum Jump Instruction Change JEQ 2BB6 (C9 10) to SJ 2BB6 (CB ??) to disable checksum
60E6 1 VTEC Enable (0xFF enables, 0x00 disables) need to verify ?
60E7 1 Knock Enable (0xFF enables, 0x00 disables) need to verify ?
60FA 1 VTEC VSS Check (0x00 enables, 0xFF disables) need to verify ?
60FB 1 Debug Mode (0xFF enables, 0x00 disables) need to verify ?
Attachment: Modify: Size: Date:

Who: | Comment: | | :--- | :--- | :--- | :--- | :--- | :--- | | P07top.jpg | mod | 213503 | 25 Feb 2004 - 20:31 | blundar | thanks Katman | | P07\_6wire1.jpg | mod | 705288 | 25 Feb 2004 - 20:32 | blundar | Thanks RaVer Motorsports | | P07\_6wire2.jpg | mod | 744257 | 25 Feb 2004 - 20:32 | blundar | Thanks RaVer Motorsports | | P07\_6wire3.jpg | mod | 693560 | 25 Feb 2004 - 20:33 | blundar | Thanks RaVer Motorsports |

Credits and source

Authors blundar, markese

Source Adapted from P07 on pgmfi.org wiki. Licensed under CC BY-NC-SA 1.0.