Air Bag Warning Light Intermittent
WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
If AIR BAG warning light comes on intermittently, perform following tests to simulate driving conditions. If problem cannot be found, replace all air bag system components including wiring harness.
- Wiggle-test wiring harness.
- Apply heat to components with a hair dryer.
- Spray water onto entire vehicle (not directly onto electrical components) to simulate humidity.