Operation CHARM: Car repair manuals for everyone.

Maintenance Items




1. Check "AIR BAG" warning lamp operation
After turning ignition switch ON, "AIR BAG" warning lamp illuminates. 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 system. Refer to "SRS Operation Check" for details. [1][2]Component Tests and General Diagnostics
- The warning lamp does not illuminate when the ignition switch is turned ON.
- The warning lamp does not turn off about 7 seconds after the ignition switch is turned ON.
- The warning lamp blinks after illuminating for about 7 seconds after the ignition switch is turned ON.

2. Visually check SRS components

1. 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.

2. 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 to instrument panel to check fit or alignment with the instrument panel.

3. 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.

4. 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 "Checking seat belt pre-tensioner operation using "AIR BAG" warning lamp-User mode".

5. 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 and nuts with new ones.