Air Bag Control Module: Service and Repair

DIAGNOSIS SENSOR UNIT

Removal and Installation

REMOVAL

CAUTION:
- Before servicing SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 minutes.
- Do not use air tools or electric tools for servicing.




1. Disconnect each harness connector for the air bag module and seat belt pre-tensioner.
2. Remove center console.
3. Disconnect diagnosis sensor unit connector.
4. Remove special bolts (T50) from the diagnosis sensor unit.

CAUTION:
- Do not use old bolts. Replace with new ones.
- Check diagnosis sensor unit bracket to ensure it is free of deformities, dents, cracks or rust. If it shows any visible things of damage, replace with new one.
- Replace diagnosis sensor unit if it has been dropped or sustained an impact.
- Replace the diagnosis sensor unit of deployed SRS air bag and deployed SRS front seat belt pre-tensioner.

INSTALLATION
Install in the reverse order of removal.

CAUTION:
- Be careful not to damage the diagnosis sensor harness.
- After the work is completed, make sure no system malfunction is detected by air bag warning lamp.
- In case that malfunction is detected by the air bag warning lamp, reset by the self-diagnosis function and delete the memory by CONSULT-II.
- In case that malfunction is still detected after the above operation, perform self-diagnosis to repair malfunctions. Refer to SRS-20 "SRS Operation Check". SRS Operation Check (Procedure 1)




ECU DISCRIMINATED NO.
After replacing the diagnosis sensor unit, confirm that the diagnosis sensor unit identification is correct for the vehicle as equipped.