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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 >> DTC B0091: Active Switch: Wrong State >> 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.

When ignition switch is turned to RUN position, SDM performs tests to diagnose critical internal malfunctions. SDM monitors voltage levels at Passenger SIR (PSIR) suppression switch enable and disable terminals of SDM to determine position of PSIR suppression switch. SDM performs continuous diagnostic tests on deployment loop voltage and resistance.

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