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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Alarm Module: Service and Repair

Immobilizer Control Unit-Receiver Replacement

1. Remove the dashboard lower cover.
2. Remove the steering column covers.
3. Disconnect the connectors (A) from the immobilizer control unit-receiver (B).






4. Remove the two screws and the immobilizer control unit-receiver from the ignition key cylinder
5. Install the immobilizer control unit-receiver in the reverse order of removal.
6. Connect the HDS to the data link connector, then turn the ignition switch ON (II).
7. Using the HDS, select "Immobilizer Setup" from the "Honda System" menu, then select "Immobilizer control unit/receiver replacement".
8. Rewrite the immobilizer control unit-receiver by following the instructions on the HDS, then check the immobilizer system.