Inflatable Restraint Sensing and Diagnostic Module (AJ7)

INFLATABLE RESTRAINT SENSING AND DIAGNOSTIC MODULE REPLACEMENT (AJ7)

REMOVAL PROCEDURE
1. Disable the SIR system. Refer to SIR Disabling and Enabling Zone 9.

CAUTION:
- Do not strike or jolt the inflatable restraint sensing and diagnostic module (SDM). Before applying power to the SDM, make sure that it is securely fastened with the arrow facing toward the front of the vehicle. Failure to observe the correct installation procedure could cause SIR deployment, personal injury, or unnecessary SIR system repairs.
- Refer to SIR Caution in Service Precautions.




2. Remove the passenger front seat. Refer to Seat Replacement - Front Bucket in Seats.
3. Remove the passenger front carpet retainer. Roll back the carpet.
4. Remove the connector position assurance (CPA) from the 8-way wiring harness connector on the sensing and diagnostic module (SDM).
5. Disconnect the 8-way wiring harness connector from the SDM.
6. Remove the CPA from the 18-way wiring harness connector (2).
7. Disconnect the 18-way wiring harness connector from the SDM.




8. Remove the SDM mounting fasteners (3).
9. Remove the SDM (1) from the floor pan (2).

INSTALLATION PROCEDURE
1. Remove any dirt, grease, or other impurities from the mounting surface.




2. Install the SDM (1) horizontally to the floor pan (2).
3. Point the arrow on the SDM toward the front of the vehicle.
4. Install the SDM mounting fasteners (3).

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the fasteners to 10 N.m (89 lb in).




5. Install the 18-way wiring harness connector to the SDM.
6. Install the CPA to the 18-way wiring harness connector.
7. Install the 8-way wiring harness connector to the SDM.
8. Install the CPA to the 8-way wiring harness connector.
9. Install the carpet and the passenger front carpet retainer.
10. Install the passenger front seat. Refer to Seat Replacement - Front Bucket in Seats.
11. Enable the SIR system. Refer to SIR Disabling and Enabling Zone 9.

IMPORTANT: The AIR BAG indicator may remain ON after the SDM has been replaced. DTC B1001 may set, requiring the SDM part number to be set in multiple modules. If the indicator remains ON after enabling the SIR system, perform the diagnostic system check and follow the steps thoroughly to ensure that the SDM is set properly. Diagnostic System Check - Vehicle