Air Bag Control Module: Service and Repair

DIAGNOSIS SENSOR UNIT

Removal and Installation

REMOVAL

CAUTION:
- Before servicing, turn ignition switch OFF, disconnect both battery terminal and wait at least 3 minutes.
- Before disconnecting the air bag sensor unit harness connector, be sure to disconnect the each harness connector of the air bag module and pre-tensioner seatbelt to prevent air bag deployment by static electricity and pre-tensioner seatbelt operation.
- Do not use air tools or electric tools for servicing.
- Do not use old fixing bolts after removal; replace with new bolts.
- Do not make an impact to the diagnosis sensor unit by dropping etc. Replace the 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.

1. Remove the diagnosis sensor unit.
- Disconnect each connector of all air bag modules and pre-tensioner seat belts.
- Remove the center console assembly. Refer to "INSTRUMENT PANEL ASSEMBLY".




- Disconnect diagnosis sensor unit harness connector.
- Remove the diagnosis sensor unit fixing bolts, then remove ground bolt A.

X Fixing bolt Torque: 24.5 N-m (2.5 kg-m, 18 ft-lb)
Ground bolt A Torque: 6.9 N-m (0.7kg-m, 61 in-lb)

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-19, "SRS Operation Check".




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