Seat Belt Systems: Testing and Inspection

Seat Belt Warning System

INSPECTION

CAUTION:
- Before diagnosing the airbag system, be sure to turn the ignition switch to OFF, disconnect the ground cable from battery, and wait 60 seconds or more before starting to work.
- When replacing the airbag module, seat belt pretensioner, roll connector, control module and sensor, reconnect each part and check that the warning light operates properly.
- When inspecting the airbag main harness, disconnect the airbag module connectors of the driver's and passenger's seats for safety.
- When inspecting the airbag rear harness, disconnect the side airbag module connector, curtain airbag module connector and seat belt pretensioner connector for safety reasons.

TROUBLE SYMPTOM:
- Driver's side seat belt warning light does not illuminate or it remains illuminating.
- Warning buzzer does not beep.