Test Description

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

The numbers below refer to the step numbers on the diagnostic table.

5. Listen for an audible click when the Rear Window Defogger relay operates. Command both the ON and OFF states of the Rear Window Defogger relay. Repeat the commands as necessary.

Fig 1: Defogger Inoperative - Rear Window (w/CJ2) Diagnostic Table (Steps 1-8)

Courtesy of GENERAL MOTORS CORP.

Fig 2: Defogger Inoperative - Rear Window (w/CJ2) Diagnostic Table (Steps 9-20)

Courtesy of GENERAL MOTORS CORP.