Hyundai Kona: Head Up Display System / Head Up Display Unit Troubleshooting

Troubleshooting
Category
Error symptoms
inspection item
Detailed inspection item
Related parts
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

Head Up Display Unit Repair procedures
Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the instrument cluster. (Refer to Indicator ...

Indicators And Gauges
...

Other information:

Hyundai Kona (OS) 2018-2020 Owners Manual: DBC operation
WARNING If the DBC red indicator light illuminates, the system may have overheated or have malfunctioned. When the warning light illuminates even though the DBC system has cooled off, we recommend that the vehicle be checked by an authorized HYUNDAI dealer as soon as possible. NOTICE The DBC m ...

Hyundai Kona (OS) 2018-2020 Service Manual: Front Disc Brake Components and components location
Components 1. Caliper body 2. Guide rod pin 3. Guide rod pin boot 4. Caliper carrier 5. Pad inner shim 6. Pad retainer 7. Brake pad 8. Pad return spring ...

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