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
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Other information:

Hyundai Kona (OS) 2018-2021 Service Manual: Specifications
Specifications Smart Key Unit Items Specification Rated voltage DC 12V Operating voltage DC 9 - 16V Operating temperature -22°F to 167°F (-30°C to 75°C) ...

Hyundai Kona (OS) 2018-2021 Service Manual: Auto Defogging Sensor Repair procedures
Diagnosis With GDS 1. The heating, ventilation and air conditioning can be quickly diagnosed failed parts with vehicle diagnostic system (GDS). ※ The diagnostic system (GDS) provides the following information. (1) Self d ...

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