Tech Tips
Use the table below to help determine the cause of the problem symptom. 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 |
|---|---|---|
| Steering wheel is off-center | Steering wheel is off-center or deviates from neutral position | |
| VGRS system stops or does not operate | Only if the following are all normal and the problem is still occurring, replace the steering control ECU | |
| Actuator temperature is abnormal | ||
| IG power source circuit | ||
| IG or PIG power supply circuit | ||
| Power steering system (check steering effort) | ||
| Steering angle differs between left and right | Steering angle differs between left and right | |
| Steering wheel vibrates or abnormal noise is heard from steering wheel | Steering wheel vibrates or abnormal noise is heard from steering wheel | |
| Master warning light (VGRS) malfunction | Master warning light circuit |