SIR Disabling and Enabling Zone 1
SIR Disabling and Enabling Zone 1Disabling Procedure
IMPORTANT: Refer to SIR Service Precautions.
1. Turn the steering wheel so that the vehicle's wheels are pointing straight ahead.
2. Turn OFF the ignition.
3. Remove the key from the ignition.
4. Remove the engine protection shield, if equipped.
IMPORTANT: With the SIR fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.
5. Remove the SIR fuse from the underhood fuse block.
6. Raise and support the vehicle.
7. Remove the connector position assurance (CPA) from both electronic frontal sensor (EFS) connectors located on the frame crossmember.
8. Disconnect the EFS connectors.
Enabling Procedure
1. Connect the EFS connectors to the EFS.
2. Install the CPA to the EFS connectors.
3. Install the SIR fuse into the underhood fuse block.
4. Staying well away from all air bags, turn ON the ignition, with the engine OFF.
4.1. The AIR BAG indicator will flash 7 times.
4.2. The AIR BAG indicator will then turn OFF.
5. Perform the Diagnostic System Check - SIR if the AIR BAG indicator does not operate as described.