Lighting
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Lighting brightness not automatically controlled (no difference
between day and night)
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Check the lighting control
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Check the ambient light sensor operation
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Check the CAN communication
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Check the lighting control in the cluster USM
→ If working, HUD has no problem.
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Check the ambient light sensor operation
→ If the ambient light sensor works, check the communications
(CGW ↔ HUD)
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Light sensor
CGW
Cluster
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Adjustment function
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Display position not adjusted
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Check the mirror movement when IG is on or off (parking position)
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If the step motor does not work when IG is on or off,
→ The step motor in HUD fails.
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If the step motor in HUD works when IG is on or off,
→ Check the CAN communications (cluster ↔ HUD)
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HUD
Cluster
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