Air Bag Warning Light Check
WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch to ACC or ON position. If AIR BAG warning comes on for about 6 seconds and then goes off, system is functioning properly. If AIR BAG warning light comes on and does not go off or flashes, Diagnostic Trouble Code (DTC) is stored in air bag sensor assembly memory. Proceed to RETRIEVING DTCS . If AIR BAG warning light responds in any other way, go to DIAGNOSTIC TESTS .