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 |
|---|---|---|
| Automatic high beam system does not operate or automatic high beam indicator does not illuminate (low beam headlights and high beam headlights are normal) | Check automatic high beam indicator light | |
| Check Data List (Auto H Beam STS0) | ||
| Perform Active Test (Automatic High Beam Indicator) | ||
| Auto high beam switch | ||
| Harness or connector |