PRE-TEN FRONT LH [OPEN/VB-SHORT]
System Description(OPEN/VB-SHORT) The front LH pre-tensioner circuit is open or shorted to some power supply. (GND-SHORT) The front LH pre-tensioner circuit is shorted to ground.
CAUTION: Do not use electrical test equipment on any circuit related to the SRS unless instructed to in the service procedures. Spiral cable and wiring harnesses can be identified by yellow harness connector (and with yellow harness protector or yellow insulation tape before the harness connectors). Do not attempt to repair, splice or modify the SRS wiring harness. If the harness is damaged, replace it with a new one. Always mount the diagnosis sensor unit with the forward mark to the front. Replace previously used special bolts and ground bolt with new ones. Keep ground connections clean.
Possible Cause
- Air Bag Harness
- Front LH Seat Belt assembly
- Diagnosis Sensor Unit
DTC Confirmation Procedure
SELF DIAGNOSIS
Diagnostic Repair Procedure
CAUTION: Before servicing the SRS system turn the ignition key OFF, disconnect both battery cables and wait at least 3 minutes.
NOTE:
- Perform the following repair procedures in numerical order. After each item is completed perform DTC confirmation procedure to confirm whether the malfunction has been eliminated. If the malfunction is still present proceed to the next item. When the malfunction is eliminated further repair is not needed.
- After repairing the system, the diagnostic results does not remain in the memory in "SELF-DIAG [PAST]".
1. Visually check the wiring harness connection. Replace if there is visible damage.
2. Replace front LH seat belt. (NOTE) Before disposing, it must be deactivated.
3. Replace the diagnosis sensor unit.
4. Replace the related harness.