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Home >> Toyota >> 2006 >> 4Runner SR5, 4.7 T, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS/Mirror >> Window Defogger System >> Problem Symptoms Table
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Problem Symptoms Table

PROBLEM SYMPTOMS TABLE

Symptom Suspected Area Reference
Rear window defogger does not operate (Indicator light ON) 1. DEFOG fuse -
2. Def relay DEF RELAY 
3. Rear window defogger wire REAR WINDOW DEFOGGER WIRE 
4. Wire harness -
5. Instrument panel junction block assy -
Rear window defogger does not operate (Indicator light OFF) 1. DEFOG fuse -
2. Def relay DEF RELAY 
3. Air conditioning control assy AIR CONDITIONING CONTROL ASSY 
4. Rear window defogger wire REAR WINDOW DEFOGGER WIRE 
5. Wire harness -
6. Instrument panel junction block assy -
Mirror defogger does not operate (Indicator light ON) 1. MIR HEATER fuse -
2. Def relay DEF RELAY 
3. Outer rear view mirror assy OUTER REAR VIEW MIRROR ASSY 
4. Wire harness -
5. Instrument panel junction block assy -
Mirror defogger does not operate (Indicator light OFF) 1. MIR HEATER fuse -
2. Def relay DEF RELAY 
3. Air conditioning control assy AIR CONDITIONING CONTROL ASSY 
4. Outer rear view mirror assy OUTER REAR VIEW MIRROR ASSY 
5. Wire harness -
6. Instrument panel junction block assy -