Tech Tips
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
| Symptom | Suspected Area | See page |
|---|---|---|
| Seat heater does not operate (Front LH side) | ECU-IG NO. 3 fuse | - |
| LH S-MTR fuse | - | |
| Seat heater switch | ||
| Front seat cushion heater assembly LH | ||
| Front seat back heater assembly LH | ||
| Seat heater control assembly | - | |
| Wire harness or connector | - | |
| Seat heater does not operate (Front RH side) | ECU-IG NO. 3 fuse | - |
| RH S-HTR fuse | - | |
| Seat heater switch | ||
| Front seat cushion heater assembly RH | ||
| Front seat back heater assembly RH | ||
| Seat heater control assembly | - | |
| Wire harness or connector | - |