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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Supplemental Inflatable Restraint Systems) >> Diagnostic Tests >> Sir Diagnostic System Check >> Circuit Description

Circuit Description

WARNING: This page is about a different car, the 2000 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.

Ignition switch supplies IGNITION POSITIVE VOLTAGE to SDM at terminal No. A1 using SDM fuse. When ignition switch is turned to RUN position, SDM responds by performing tests on SIR system and then flashing AIR BAG warning light 7 times. If no DTCs exist, AIR BAG warning light should then turn off.