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

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Air Bag Control Module: Service and Repair

The ACM/Air Bag System Diagnostic Module (ASDM) and SRS diagnosis unit (SDU) contain one of the impact sensors which enables system to activate air bag. The ACM/Air Bag Electronic Control Module (AECM) and SRS air bag control unit (SRS-ECU) contain the impact sensors which enables system to activate air bag.

To avoid accidental deployment, never connect ACM/ASDM, ACM/AECM, SDU or SRS-ECU electrically to system unless it is bolted to vehicle.

1. Disarm air bag as described under Air Bag System Disarming & Arming at Air Bag Systems/ Service and Repair.
2. Remove hole cover and rear console box assembly.
3. Remove SRS-ECU connector, then SRS-ECU and bracket.
4. Reverse procedure to install.