Lexus IS250 IS220d GSE20 ALE20 - SEAT
SEAT HEATER SYSTEM - PROBLEM SYMPTOMS TABLE
| Symptom | Suspected area | See page |
| Seat heater does not operate. (Front LH side) | 1. RH-IG fuse | - |
| 2. FR S/HTR LH fuse | - | |
| 3. Seat heater switch | ||
| 4. Front seat cushion heater | ||
| 5. Front seatback heater | ||
| 6. Seat heater control | ||
| 7. Wire harness | - | |
| Seat heater does not operate. (Front RH side) | 1. RH-IG fuse | - |
| 2. FR S/HTR RH fuse | - | |
| 3. Seat heater switch | ||
| 4. Front seat cushion heater | ||
| 5. Front seatback heater | ||
| 6. Seat heater control | ||
| 7. Wire harness | - | |
| Temperature of seat heater cannot be adjusted. | 1. Seat heater switch |
LEXUS IS250, IS220d / GSE20 ALE20