Test P: Air Bag Warning Light Inoperative (DTC B1869): Description

AIR BAG warning light is designed to illuminate for 4-8 seconds when ignition switch is turned to RUN position. The initial 4-8 second illumination is normal and is call prove-out. The AIR BAG warning light is then used to warn vehicle operator that there is a fault in the air bag system.

RCM monitors AIR BAG warning light for open and short to ground conditions. If RCM detects open or short to ground in AIR BAG warning light circuit, it will store DTC 1869 in memory. If RCM detects AIR BAG warning light failure in addition to another air bag system failure, it will turn on and off secondary warning indicator in 5 sets of 5 flashes.