Test F: Driver Air Bag Circuit Short To Ground (DTC B1887): Description
Restraints Control Module (RCM) checks driver-side air bag module circuit for shorts to ground by monitoring voltage at RCM harness connector terminals No. 3 (Gray-Orange wire) and No. 4 (Gray-White wire). If RCM detects short to ground on either terminal, it will store Diagnostic Trouble Code (DTC) B1887 in memory and flash Code 15 on AIR BAG warning light.