FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Rear Window Defogger Inoperative (Equipped With Automatic Temp Control)

Test 1 - Test 3:




Test 4 - Test 9:




Test 10 - Test 11:






SYMPTOM
REAR WINDOW DEFOGGER INOPERATIVE (EQUIPPED WITH AUTOMATIC TEMP CONTROL)

POSSIBLE CAUSES
- Junction block fuse 15
- PDC fuse 6
- Rear window defogger relay output circuit open
- Related HVAC DTC'S
- Rear window defogger relay
- Rear window defogger relay
- Rear defogger switch operation
- Rear window defogger grid open
- Fused B(+) circuit open
- Fused ignition switch output circuit open
- Rear window defogger relay control circuit open
- Body control module