Impact Sensor: Service and Repair
REMOVALWARNING
^ VEHICLE SENSOR ORIENTATION IS CRITICAL FOR PROPER SYSTEM OPERATION. IF A VEHICLE EQUIPPED WITH AN AIR BAG SYSTEM IS INVOLVED IN A COLLISION, INSPECT THE SENSOR MOUNTING BRACKET AND WIRING PIGTAIL FOR DEFORMATION. IF DAMAGED, THE SENSOR SHOULD BE REPLACED WHETHER OR NOT THE AIR BAG IS DEPLOYED.
^ REPAIR IS MADE BY REPLACEMENT ONLY. IF A PART IS REPLACED AND THE NEW PART DOES NOT CORRECT THE CONDITION, INSTALL THE ORIGINAL PART AND PERFORM THE DIAGNOSTIC PROCEDURE AGAIN.
^ TO AVOID ACCIDENTAL DEPLOYMENT AND POSSIBLE INJURY, THE BACKUP POWER SUPPLY MUST BE DEPLETED BEFORE REPAIRING OR REPLACING ANY AIR BAG SYSTEM COMPONENTS. TO DEPLETE THE BACKUP POWER SUPPLY ENERGY, DISCONNECT THE BATTERY TO STARTER RELAY CABLE AND WAIT ONE MINUTE.
NOTE: This procedure can be used for either the left or right-hand crash sensor. Right-hand crash sensor images are shown.
1. Disconnect the battery cables.
2. Disconnect the electrical connector from its retainer.
^ Use a screwdriver inserted between the multiplug and its retainer. Turn the screwdriver to disconnect the electrical connector.
3. Disconnect the crash sensor electrical connector.
4. Remove the grille retaining screws, and remove the grille.
5. Raise and support the vehicle.
6. Remove the lower radiator shroud.
1 Remove the push pins.
2 Remove the bolts.
3 Remove the lower radiator shroud.
7. Remove the wiring hamess from behind the lower edge of the radiator side panel.
8. Release the retaining clips.
9. Remove the wiring harness from the retaining clips noting the harness routing.
10. Lower the vehicle.
11. Remove the retaining bolts and remove the sensor.
INSTALLATION
1. To install, reverse the removal procedure.
NOTE: Ensure the wiring harness to the primary crash sensor is routed correctly.
NOTE: When the battery is disconnected and reconnected, some abnormal drive symptoms may occur while the vehicle relearns its adaptive strategy. The vehicle may need to be driven 16 km (10 mi) or more to relearn the strategy.