SIR Disabling and Enabling Zone 1

SIR DISABLING AND ENABLING ZONE 1

DISABLING PROCEDURE

IMPORTANT: Refer to SIR Service Precautions before disabling the SIR system.

1. Turn the steering wheel so that the vehicle wheels are pointing straight ahead.
2. Turn OFF the ignition.
3. Remove the key from the ignition.




4. Remove the AIR BAG fuse from the instrument panel (I/P) fuse block (1) located in the I/P fuse block.

IMPORTANT: With the AIR BAG fuse removed and the ignition ON, the AIR BAG indicator illuminates. This is normal operation and does not indicate an SIR system malfunction.

5. Raise and support the vehicle.




6. Remove the connector position assurance (CPA) from the inflatable restraint front end discriminating sensor connector (1) located on the frame crossmember.
7. Disconnect the inflatable restraint front end discriminating sensor connector.

ENABLING PROCEDURE




1. Connect the inflatable restraint front end discriminating sensor connector to the inflatable restraint front end discriminating sensor (1) located on the frame crossmember.
2. Install the CPA to the inflatable restraint front end discriminating sensor connector.




3. Install the AIR BAG fuse into the I/P fuse block (1) located in the I/P fuse block.
4. Staying well away from all air bags, turn ON the ignition, with the engine OFF.
1. The AIR BAG indicator will flash 7 times.
2. The AIR BAG indicator will then turn OFF.
5. Perform the Diagnostic System Check - Vehicle in Vehicle DTC Information if the AIR BAG indicator does not operate as described.