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 |