| Lighting |
- HUD not working
- Lighting brightness not automatically controlled (no difference between day and night)
|
- Check the lighting control
- Check the ambient light sensor operation
- Check the CAN communication
|
- Check the lighting control in the cluster USM → If working, HUD has no problem.
- Check the ambient light sensor operation → If the ambient light sensor works, check the communications (BCM ↔ HUD)
|
Light sensor BCM Cluster |
| Adjustment function |
- Display position not adjusted
|
- Check the mirror movement when IG is on or off (parking position)
|
- If the step motor does not work when IG is on or off, → The step motor in HUD fails.
- If the step motor in HUD works when IG is on or off, → Check the CAN communications (cluster ↔ HUD)
|
HUD Cluster |