Impact Sensor: Service and Repair
Forward Sensor Removal and InstallationWARNING:
During service procedures, be very careful when handling a sensor.
- Never strike or jar a sensor.
- Under some circumstances, it could cause improper operation of the air bag system. A sensor and mounting bracket bolts must be carefully torqued to assure proper operation.
Removal
1. Disconnect negative cable at battery.
2. Disable air bag system referring to Disabling Air Bag System:H27 Engine Model (Advanced Air Bag).
3. Remove front grill referring to Front Bumper Components.
4. Remove headlight assembly referring to Headlight Assembly Removal and Installation.
5. Disconnect forward sensor connector sliding connector outer (1) as shown.
6. Remove forward sensor bolts (1) and forward sensor (2) from front panel (3).
Installation
Reference: Forward Sensor Inspection:H27 Engine Model (Advanced Air Bag)
CAUTION: Proper operation of forward sensor requires sensor be rigidly attached to vehicle structure and that the arrow on sensor bracket be pointing toward the front of the vehicle.
1. Check that none of the following faulty conditions exists.
- Bend or deformity of sensor bracket (1) and front panel.
- Foreign matter on mating surface of sensor bracket (1) with sensor or excessive rust.
2. Apply thread lock cement to mounting bolts thread. Install forward sensor (1) on front panel (2) and tighten mounting bolts (3) to specified torque.
"A": Thread lock cement 99000-32100
Tightening torque
Forward sensor mounting bolt a: 10 N-m (1.0 kg-m, 7.5 lb-ft)
3. Connect forward sensor connector by pushing connector till click is heard from it.
4. Connect negative cable at battery.
5. Enable air bag system referring to Enabling Air Bag System:H27 Engine Model (Advanced Air Bag).