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 | Link |
|---|---|---|
| Steering wheel does not heat up when heated steering wheel switch is pressed | STRG HTR fuse | - |
| ECU-IG1 NO. 4 fuse | - | |
| STRG HTR relay | - | |
| Steering heater switch | ||
| Spiral cable with sensor sub-assembly | ||
| Steering wheel heater unit (steering wheel assembly) |