Lighting
|
| • |
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) |
| • |
Check the hapic switch (or general swich)operation |
|
| • |
If the hapic switch (or general swich) does not work, the height can not be adjusted (USM cannot enter) |
| • |
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) |
| hapic switch (or general swich)
HUD
Cluster
|
Hyundai Equus: Troubleshooting
Head Up Display Switch Repair procedures
