Hyundai Santa Fe: Head Up Display System / Head Up Display Unit. Troubleshooting
Category
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Error symptoms
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inspection item
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Detailed inspection item
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Related parts
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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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Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the instrument cluster...
Other information:
Trip computer mode
The trip computer mode displays information related to vehicle driving parameters
including fuel economy, tripmeter information and vehicle speed.
For more information, refer to "Trip Computer" in this chapter.
Turn By Turn (TBT) mode
Turn-by-turn navigation, distance/time to destination information is displayed
when Turn by Turn view is selected...
Description
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Monitoring the vehicle's operating conditions to determine the optimal
gear setting.
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Performing a gear change if the current gear setting differs from the
identified optimal gear setting...
Categories
WARNING
To reduce the risk of an air bag deploying unexpectedly and causing serious
injury or death:
Do not hit or allow any objects to impact the locations where air
bags or sensors are installed.
Do not perform maintenance on or around the air bag sensors. If
the location or angle of the sensors is altered, the air bags may deploy when
they should not or may not deploy when they should.
Installing bumper guards with nongenuine Hyundai or non-equivalent
parts may adversely affect the collision and airbag deployment performance.
Press the Engine Start/Stop button to the OFF or ACC position and
wait for 3 minutes when the vehicle is being towed to prevent inadvertent air
bag deployment.
Have all air bag repairs performed by an authorized HYUNDAI dealer.
read more
Head Up Display Unit. Repair procedures