Circuit Description
WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
When ignition is turned on, Sensing and Diagnostic Module (SDM) tests SIR system for malfunctions while flashing AIR BAG warning light 7 times. If no malfunctions exist, AIR BAG warning light will then turn off.