Rear Defogger and Mirror Heater System Symptom Diagnosis
REAR DEFOGGER AND MIRROR HEATER SYSTEM SYMPTOM DIAGNOSIS CHART
| Condition | Possible Cause | Action |
|---|---|---|
| Rear defogger cannot operate | Faulty system circuits (including relays and fuses) | REAR DEFOGGER AND MIRROR HEATER SYSTEM DESCRIPTION (IF EQUIPPED) |
| Faulty rear defogger switch | REAR DEFOGGER AND MIRROR HEATER (IF EQUIPPED) SWITCH INSPECTION | |
| Faulty rear defogger | REAR DEFOGGER INSPECTION | |
| Faulty BCM | INSPECTION OF BCM AND ITS CIRCUITS | |
| Mirror heaters do not operate (4WD model) | Faulty system circuits (including relays and fuses) | REAR DEFOGGER AND MIRROR HEATER SYSTEM DESCRIPTION (IF EQUIPPED) |
| Faulty mirror heater switch | REAR DEFOGGER AND MIRROR HEATER (IF EQUIPPED) SWITCH INSPECTION | |
| Faulty mirror heaters | POWER DOOR MIRROR ON-VEHICLE INSPECTION | |
| Faulty BCM | INSPECTION OF BCM AND ITS CIRCUITS |