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Hyundai Equus Manuals

Hyundai Equus: Troubleshooting - Head Up Display System - Body Electrical System - Hyundai Equus VI 2009-2026 Service ManualHyundai Equus: Troubleshooting

Second generation VI (2009–2026) / Hyundai Equus VI 2009-2026 Service Manual / Body Electrical System / Head Up Display System / 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)
•
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

    Head Up Display Switch Repair procedures
    Removal 1. Disconnect the negative (-) battery. 2. Remove the crash pad lower panel. (Refer to Body - "Crash Pad Lower Panel") 3. Remove the crash pad lower panel and then push the head u ...

    Blind Spot Detecation system
    ...

    See also:

    Solenoid Valve Description and Operation
    Description Four air spring solenoid valves (‘-’ control) and one ambient solenoid valve are embedded inside this solenoid valve block as shown in the circuit diagram below. When connecting ...

    To keep locks from freezing
    To keep the locks from freezing, squirt an approved de-icer fluid or glycerine into the key opening. If a lock is covered with ice, squirt it with an approved de-icing fluid to remove the ice. If ...

    Checking the coolant level
    WARNING Removing radiator cap Never attempt to remove the radiator cap while the engine is operating or hot. Doing so might lead to cooling system and engine damage and could result in ser ...

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