Window Defogger System
SYMPTOM CHART - WINDOW DEFOGGER SYSTEM
| Symptom | Suspected area | See |
|---|---|---|
| Rear window defogger does not operate (Indicator ON) | 1. RR DEF relay | INSPECTION |
| 2. Rear window defogger wire | ON-VEHICLE INSPECTION | |
| 3. A/C ECU, Front controller | - | |
| 4. Wire harness | - | |
| Rear window defogger does not operate (Indicator OFF) | 1. RR DEF relay | INSPECTION |
| 2. Air conditioning control panel | - | |
| 3. A/C ECU | TERMINALS OF ECU | |
| 4. Front controller | - | |
| 5. Rear window defogger wire | ON-VEHICLE INSPECTION | |
| 6. Wire harness | - | |
| Mirror heater does not operate (Indicator ON) | 1. RR DEF relay | INSPECTION |
| 2. Outer rear view mirror assembly | OUTER REAR VIEW MIRROR | |
| 3. A/C ECU, Front controller | - | |
| 4. Wire harness | - | |
| Mirror heater does not operate (Indicator OFF) | 1. RR DEF relay | INSPECTION |
| 2. Air conditioning control panel | - | |
| 3. A/C ECU | TERMINALS OF ECU | |
| 4. Front controller | - | |
| 5. Outer rear view mirror | OUTER REAR VIEW MIRROR | |
| 6. Wire harness | - |