Problem Symptoms Table
WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
WINDOW DEFOGGER SYSTEM
WINDOW DEFOGGER SYSTEM
| Symptom | Suspected area | See |
|---|---|---|
| w/ Deicer: Front window deicer does not operate (Indicator ON) | 1. FR DEF fuse | PARTS LOCATION |
| 2. HEATER fuse | PARTS LOCATION | |
| 3. DEICER relay | PARTS LOCATION | |
| 4. Front window deicer wire | ON-VEHICLE INSPECTION | |
| 5. Wire harness | - | |
| w/ Deicer: Front window deicer does not operate (Indicator OFF) | 1. FR DEF fuse | PARTS LOCATION |
| 2. HEATER fuse | PARTS LOCATION | |
| 3. DEICER relay | PARTS LOCATION | |
| 4. Front window deicer wire | ON-VEHICLE INSPECTION | |
| 5. Multi-display assembly | COMPONENTS | |
| 6. Wire harness | - | |
| Rear window defogger does not operate (Indicator ON) | 1. RR DEF M-fuse | PARTS LOCATION |
| 2. HEATER fuse | PARTS LOCATION | |
| 3. RR-DEF relay | PARTS LOCATION | |
| 4. Rear window defogger wire | ON-VEHICLE INSPECTION | |
| 5. Wire harness | - | |
| Rear window defogger does not operate (Indicator OFF) | 1. RR DEF M-fuse | PARTS LOCATION |
| 2. HEATER fuse | PARTS LOCATION | |
| 3. RR-DEF relay | PARTS LOCATION | |
| 4. Multi-display assembly | COMPONENTS | |
| 5. Rear window defogger wire | ON-VEHICLE INSPECTION | |
| 6. Wire harness | - |