Note
If the headlight ECU sub-assembly LH has been replaced, it is necessary to synchronize the vehicle information Click here.
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 |
|---|---|---|
| Adaptive high beam indicator on the combination meter assembly does not illuminate | Check operating conditions | |
| Check meter/gauge system | ||
| Adaptive high beam switch circuit | ||
| Headlight dimmer switch circuit | ||
| Combination meter assembly | ||
| Forward recognition camera | ||
| Headlight ECU sub-assembly LH | ||
| Adaptive high beam system does not operate | Check customization settings | |
| Check operating conditions | ||
| Check illumination condition of low and high beam headlights by manual operation | - | |
| 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 ECU sub-assembly LH |