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)

Or, hide this message: temporarily or permanently

Air Bag Control Module: Service and Repair

WARNING: Handling the SAS unit improperly can accidently deploy the air bag, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the SAS unit.

SRS Unit Removal/Installation:




SRS Unit Removal/Installation:




SRS Unit Removal/Installation:





1. Carry out the "Before Servicing" procedure.
2. Remove the center lower panel.
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal indicated in the table.

WARNING: New SAS units are not input with a deployment approval signal in order to prevent accidental deployment of the air bag module during installation. Since the SAS unit is not yet input with the deployment approval signal, the air bag system will not operate in the event of an accident, which may result in serious injury or death. Follow the procedures for inputting the deployment approval signal into the SAS unit after replacement.

5. Install the center lower panel.
6. Carry out the "After Servicing" procedure.

SAS Unit Installation Note
^ Position the SAS unit with the arrow on the SAS unit facing toward the front of the vehicle.

Nut Installation Note
^ Tighten the nuts in the order shown.