Wire Harness
Compare Honda OBD0, OBD1, OBD2A, and OBD2B ECU wire-harness connectors and pinout layouts.
Adapted from pgmfi.org wiki
A wire harness is the set of connectors and wires attached to an ECU. OBD0, OBD1, and OBD2 systems use different connectors and wiring layouts.
ECU connector pinout
The following image compares OBD1, OBD2A, and OBD2B ECU connector pinouts:
View the archived high-resolution image
Warning
The source referenced factory-manual OBD1 Integra ECU connector scans that may have been associated with the P72 ECU, but those scans are not currently available.
Credits and source
Source Adapted from Wire Harness on pgmfi.org wiki. Licensed under CC BY-NC-SA 1.0.