Test N - Air Bag Light Does Not Light, Inoperative Air Bag Light Circuit: Description
WARNING: This page is about a different car, the 1995 Ford Pickup, 1995 Ford F-Super Duty, 1995 Ford Cab & Chassis, and 1995 Ford Bronco. However, it is still accessible from the selected car via links, so may be relevant.
AIR BAG light is designed to illuminate for 4-8 seconds when ignition is turned on. This initial 4-8 second illumination is normal operation. System is performing a system operation check. Diagnostic monitor requires power at terminal No. 1 to energize AIR BAG light.