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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PCM Reset Procedures

How to Reset the PCM
1. Make sure you have the anti-theft code for the radio, 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 10 seconds.