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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Non-Trouble Code Procedures

Immobilizer System - Troubleshooting (Part 1 Of 2):




Immobilizer System - Troubleshooting (Part 2 Of 2):





Follow this flowchart if the vehicle does not start after rewriting the ECM/PCM with the Honda PGM Tester or if you have a problem adding a key. Before testing, inspect the No. 39 (7.5 A) fuse in the under-hood fuse/relay box.