Maintenance Items

CAUTION: Do not use electrical test equipment to check any SRS circuit.




1. Check "AIR BAG" warning lamp operation
After turning ignition switch ON, "AIR BAG" and "SEAT BELT" warning lamps illuminate. The "AIR BAG" warning lamp will turn off after about 7 seconds if no malfunction is detected. If any of the following "AIR BAG" warning lamp conditions occur, immediately check the air bag or seat belt pre-tensioner system.
- The "AIR BAG" warning lamp does not illuminate when the ignition switch is turned ON.
- The "AIR BAG" warning lamp does not turn off about 7 seconds after the ignition switch is turned ON.
- The "AIR BAG" warning lamp blinks after illuminating for about 7 seconds after the ignition switch is turned ON.

2. Visually check SRS components
a. Air bag diagnosis sensor unit
- Check air bag diagnosis sensor unit and bracket for dents, cracks and deformities.
- Check connectors for damage and terminals for deformities.

b. Air bag modules, steering wheel and instrument panel
- Remove driver air bag module from steering wheel. Check harness cover and connectors for damage, terminals for deformities and harness for binding.
- Install driver air bag module to steering wheel to check fit or alignment with the wheel.
- Check steering wheel for excessive free play.
- Remove passenger air bag module. Check harness cover and connectors for damage, terminals for deformities and harness for binding. Check the bracket for deformities and rust.
- Install passenger air bag module in instrument panel to check fit or alignment with the instrument panel.

c. Spiral cable
- Check spiral cable for dents, cracks and deformities.
- Check connectors and protective tape for damage.
- Check steering wheel for noise, binding and heavy operation.

d. Seat belt pre-tensioner
- Check harness cover and connectors for damage, terminals for deformities and harness for binding.
- Check belts for damage and anchors for loose mounting.
- Check retractor for smooth operation.
- Perform Self-diagnosis for seat belt pre-tensioner using "AIR BAG" warning lamp or CONSULT-II. Refer to "SRS Operation Check". [1][2]Component Tests and General Diagnostics

e. Passenger air bag deactivation switch
- Check passenger air bag deactivation switch for damage.
- Check harness for binding, connector for damage and terminals for deformities.

f. Main harness and air bag harness
- Check connectors for poor connections, damage, and terminals for deformities.
- Check harnesses for binding, chafing and cuts.

CAUTION: Replace previously used special bolts, anchor bolts and ground bolt with new ones.