Testing - System Operation Check
WARNING: This page is about a different car, the 1993 Toyota Previa. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch to ACC or ON position. AIR BAG/SRS warning light in instrument cluster should glow and go out after about 6 seconds. If AIR BAG/SRS warning light glows for more than 6 seconds with ignition switch in ACC or ON position, SRS system is malfunctioning and needs repair. If AIR BAG/SRS warning light glows with ignition off, a short circuit is likely in AIR BAG/SRS warning light circuit. See DIAGNOSIS & TESTING .