Air Bag Warning Light
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Ignition switch applies battery voltage to AIR BAG warning light. SDM controls AIR BAG warning light operation. When ignition is first turned on, AIR BAG warning light flashes 7 times while SDM checks SIR system for malfunctions. If no malfunctions are found, AIR BAG warning light will turn off. During vehicle operation, AIR BAG warning light warns driver of malfunctions which could potentially affect SIR system operation.