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) 2018-2026 Service Manual: Positive Crankcase Ventilation (PCV) Valve Repair procedures
Removal 1. Disconnect the PCV hose (A). 2. Remove the PCV valve (B). Inspection 1. Insert a thin stick (A) into the PCV valve (B) from the threaded side to check that the plunger moves ...

Hyundai Kona (OS) 2018-2026 Owners Manual: Instrument cluster control
Instrument panel illumination When the vehicle's position lights or headlamps are on, press the illumination control button to adjust the brightness of the instrument panel illumination. When pressing the illumination control button, the interior switch illumination intensity is also adjusted. WA ...

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