Note
When replacing the combination meter assembly, make sure to replace it with a new one.
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.
Camera detection malfunctions can be detected using the GTS.
Aiming misalignment of the camera can be detected using the GTS. If the camera aiming is misaligned, check the following conditions:
Check if the vehicle is inclined.
Check if the windshield glass is installed correctly.
Check if the inner rear view mirror assembly is installed correctly.
Check if there is deformation of the inner rear view mirror assembly.
If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Inner rear view mirror assembly LED indicator does not illuminate. | Inner rear view mirror assembly | |
| Harness or connector | - | |
| Inner rear view mirror assembly LED indicator remains on even after operating the AUTO switch. | Inner rear view mirror assembly | |
| Automatic high beam indicator on the combination meter assembly does not illuminate. | Check operating conditions | Click here |
| Combination meter assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Automatic high beam system does not operate. | Check DTC | |
| Check illumination condition of low and high beam headlights using manual operation | ||
| Check automatic light control | ||
| Check Data List | Click here | |
| Automatic high beam switch circuit | ||
| Harness or connector | - | |
| Inner rear view mirror assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| "To Activate Auto High Beam, Switch Headlights to High Beam" is displayed on the multi-information display. | Check DTC | |
| Main body ECU (Multiplex network body ECU) | ||
| Harness or connector | - |