Note
If the headlight control computer assembly LH has been replaced, it is necessary to synchronize the vehicle information and initialize the headlight control computer assembly LH.
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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Adaptive high beam indicator on the combination meter assembly does not illuminate | Check operating conditions | |
| Meter / gauge system | ||
| Adaptive high beam switch circuit | ||
| Headlight dimmer switch circuit | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| Headlight control computer assembly LH | ||
| Adaptive high beam system does not operate | Customize settings | |
| Check operating conditions | ||
| Check that the low beams and high beams operate manually | - | |
| Check automatic light control system operation | ||
| Adaptive high beam switch circuit | ||
| Headlight dimmer switch circuit | ||
| Headlight unit | ||
| Headlight unit assembly | ||
| Forward recognition camera | ||
| Headlight light control ECU sub-assembly | ||
| Headlight control computer assembly LH |