AIR BAG SYSTEM

BME080301046201

Foreword

• Refer to section GI. Thoroughly read and understand the basic flow of troubleshooting in order to properly perform the procedures.

Troubleshooting Index

• Use the chart below verify the symptoms of the trouble in order to diagnose the appropriate area.

No.

Malfunction symptom

1
Air bag system warning light does not illuminate when ignition switch is turned to ON position.
2
Air bag system warning light illuminates immediately after ignition switch is turned to ON position and remains illuminated.
3
European (L.H.D. U.K.) specs.
Passenger-side air bag cut-off indicator light does not dim when ignition switch is at ON position and headlight switch is turned to TNS or headlight position. (Child restraint seat built in resonator is attached to passenger-side seat.)
4
European (L.H.D. U.K.) specs.
Passenger-side air bag cut-off indicator light remains dimmed when ignition switch is at ON position and headlight switch is turned off form TNS or headlight position. (Child restraint seat built in resonator is attached to passenger-side seat.)

Symptom Troubleshooting

Note
• The following may be the cause of trouble if the symptom does not go away after the symptom troubleshooting steps are followed.
- Simultaneous poor contact at short connector terminals B and P between METER 10A fuse and SAS unit, ENGINE 10 A fuse and the SAS unit.
- Simultaneous poor contact at terminals 2T and 2Q of SAS unit connector.
- Simultaneous poor contact at terminals 2E and 2H of SAS unit connector.
- Poor contacts in wiring harness between terminal 2T of SAS unit connector and ground, and between terminal 2Q and ground at the same time.
- Poor contacts or short circuits in wiring harness between METER 10 A fuse and SAS unit, and between ENGINE 10 A fuse and SAS unit at the same time.