Air Bag Control Module: Service and Repair

REMOVAL AND INSTALLATION

WARNING:

- Never attempt to disassemble or repair the SRS-ECU. If faulty, replace it.
- Do not drop or subject the SRS-ECU to impact or vibration. If denting, cracking, deformation, or rust are discovered in the SRS-ECU, replace it with a new SRS-ECU.
- After deployment of an air bag, replace the SRS-ECU with a new one.
- Never use an ohmmeter on or near the SRS-ECU, and use only the special test equipment described here Test Equipment .
- When removing and installing the front passenger seat, be sure to carry out accuracy check occupant classification sensor after the seat has been installed in the vehicle. (On-vehicle Service Accuracy Check of Occupant Classification Sensor .)













REMOVAL SERVICE POINTS

[[A]] NEGATIVE (-) BATTERY CABLE DISCONNECTION

DANGER:
Wait at least 60 seconds after disconnecting the battery cable before doing any further work (Refer to Technician Safety Information).

WARNING:
Battery posts, terminals and related accessories contain lead and lead compounds. WASH HANDS AFTER HANDLING.





Disconnect the negative battery cable from the battery and tape the terminal to prevent accidental connection and deployment.

[[B]] SRS-ECU REMOVAL





Remove the clip shown and remove the SRS-ECU by sliding to the left side.

INSTALLATION SERVICE POINTS

]]A[[ SRS-ECU INSTALLATION

WARNING:
The SRS may not activate if the SRS-ECU is not installed properly, which could result in serious injury or death to the vehicle's driver or front passenger.

]]B[[ POST-INSTALLATION INSPECTION

1. Connect the negative (-) battery cable.

2. Turn the ignition switch to the "ON" position.





3. Does the SRS warning light illuminate for approximately seven seconds, and then go out?
4. If yes, the SRS system is functioning properly. If not, refer to SRS Warning Light Check.