Operation CHARM: Car repair manuals for everyone.

Clearing Trouble Codes

How to Reset Procedures
1. Make sure you have the anti-theft code for the radio and navigation system, then write down the radio station presets.
2. Turn the ignition switch OFF.





3. Use one of these methods to reset the PCM memory:
- Use the OBD II Scan Tool or the Honda PGM Tester (A).
- Remove the BACK-UP fuse (7.5A) (B) from the passenger's under-dash fuse/relay box (C) for more than 10 seconds.

How to End a Troubleshooting Session
This procedure must be done after any troubleshooting.
1. Reset the PCM.
2. Turn the ignition switch OFF.
3. Disconnect the OBD II Scan Tool or the Honda PGM Tester (A) from the Data Link Connector (16P) (B).
4. Turn the ignition switch ON (II).
5. Enter the radio and navigation system codes, reset the preset stations, and set the clock.





6. Verify that the problem is repaired; test-drive the vehicle for several minutes in freeze data conditions at speeds over 30 mph (50 km/h).