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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 97 (Supplemental Inflatable Restraint System) >> Diagnostic Tests >> Air Bag Warning Light Circuit Malfunction >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2002 Buick Park Avenue. However, it is still accessible from the selected car via links, so may be relevant.

Ignition switch supplies ignition voltage to Sensing and Diagnostic Module (SDM) connector terminal A1 via SIR fuse, located in under hood fuse block, near battery. When ignition is turned on, SDM commands Instrument Panel Cluster (IPC) to flash AIR BAG warning light flashes 7 times, during which time SDM checks integrity of SIR system. If no malfunctions are present, SDM will command Instrument Panel Cluster (IPC) to turn AIR BAG warning light off.

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