Operation CHARM: Car repair manuals for everyone.

How to Reset the ECM/PCM


How to Reset the PCM
You can reset the PCM in either of 2 ways:

Use the OBD II scan tool or Honda PGM tester to clear the PCM's memory.
See the OBD II scan tool or Honda PGM Tester user's manuals for specific instructions.





Turn the ignition switch OFF, and remove the No.13 CLOCK BACKUP fuse (7.5 A) (A) from the passenger's under-dash fuse/relay box (B) for 10 seconds.