Test Description

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The number below refers to the step number on the diagnostic table.

9. Listen for an audible click when the RR DEFOG relay operates. Command both the ON and OFF states of the RR DEFOG relay. Repeat the commands as necessary.

Fig 1: Identifying Defogger Inoperative - Rear Window Diagnostic Table (1 Of 3)
Courtesy of GENERAL MOTORS CORP.

Fig 2: Identifying Defogger Inoperative - Rear Window Diagnostic Table (2 Of 3)
Courtesy of GENERAL MOTORS CORP.

Fig 3: Identifying Defogger Inoperative - Rear Window Diagnostic Table (3 Of 3)
Courtesy of GENERAL MOTORS CORP.