Diagnostic Aids

WARNING: This page is about a different car, the 2002 GMC Sierra, 2002 GMC Cab & Chassis Sierra, 2002 Chevrolet Silverado, and 2002 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The automatic day-night feature of the inside rearview mirror may not operate properly or become inoperative due to an intermittent short to battery positive voltage in the backup lighting system.

Fig 1: Mirrors - Automatic Day-Night Inoperative Diagnosis (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Mirrors - Automatic Day-Night Inoperative Diagnosis (Steps 9-12)

Courtesy of GENERAL MOTORS CORP.