Impact Sensor: Service and Repair
FRONT IMPACT SEVERITY SENSORRemoval and Installation
WARNING:
- Always wear safety glasses when repairing an air bag supplemental restraint system (SRS) vehicle and when handling an air bag module. This will reduce the risk of injury in the event of an accidental deployment.
- Vehicle sensor orientation is critical for correct system operation. If a vehicle equipped with an air bag supplemental restraint system (SRS) is involved in a collision, inspect the sensor mounting bracket and wiring pigtail for deformation. Install and correctly position the sensor or any other damaged supplemental restraint system (SRS) components whether or not the air bag is deployed.
- To reduce the risk of personal injury, do not use any memory saver devices.
NOTE:
- The air bag warning lamp illuminates when the restraints control module (RCM) fuse is removed and the ignition switch is ON. This is normal operation and does not indicate a supplemental restraint system SRS fault.
- The SRS must be fully operational and free of faults before releasing the vehicle to the customer.
- Repair is made by installing a new part only. If the new part does not correct the condition, install the original part and carry out the diagnostic procedure again.
1. Depower the system.
2. Remove the radiator grille.
- Remove the screws on top of the radiator grille.
- Grasp the grille and pull forward to disengage the 3 lower clips and then remove the grille.
3. Disconnect the front impact severity sensor electrical connector.
4. Lower the front air foil to access the front impact severity sensor bolts.
5. WARNING: The tightening torque of the air bag front impact severity sensor retaining bolt is critical for correct system operation.
NOTE: Make sure the radiator support and front impact severity sensor mating surfaces are clean and free of foreign material.
Remove the 2 bolts and the front impact severity sensor.
- To install, tighten to 12 Nm (9 lb-ft).
6. To install, reverse the removal procedure.
7. Repower the system.