Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Without Scan Tool

How to Reset the PCM
1. Make sure you have the anti-theft code for the radio, then write down the frequencies for the radio's preset stations.
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 10 seconds.

How to End a Troubleshooting Session
This procedure must be done after any troubleshooting.
1. Turn the ignition switch OFF.
2. Reset the PCM.
3. Disconnect the OBD II Scan Tool or the Honda PGM Tester from the Data Link Connector (16P) (D).
4. Turn the ignition switch ON (II).
5. Enter the anti-theft code for the radio, then enter the radio station presets, and reset the clock.
6. To verify that the problem is repaired, test-drive the vehicle for several minutes at speeds over 30 mph (48 km/h).