Inspection And Verification
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT
acceptable. Substitution of control modules does not guarantee confirmation of a fault and may also cause additional faults in the vehicle being checked and/or the donor vehicle
NOTE:
Check and rectify basic faults before beginning diagnostic routines including pinpoint tests
- Verify the customer concern by operating the safety belt
- Visually inspect for obvious signs of mechanical or electrical damage
Visual Inspection
Mechanical Electrical - Check for the installation of non-standard accessories which may affect or obstruct the function of the safety belt system
- Frayed or damaged webbing
- Missing or damaged button stop
- Pretensioner(s) Buckles/Stalks
- Fuses
- Wiring harness fault
- Correct engagement of electrical connectors
- Loose or corroded connections
- Warning lamp bulb(s)
- Impact sensor(s)
- Buckle sensor(s)
- Pretensioner(s)
- Belt tension sensor(s)
- Restraints control module
- If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to the next step
- If the cause is not visually evident, carry out the test methods described below, alternatively check for diagnostic trouble codes and refer to the relevant diagnostic trouble code index
For a complete list of all diagnostic trouble codes that could be logged on this vehicle, please refer to Diagnostic Trouble Code (DTC) Index - DTC: Restraints Control Module (RCM) article.