Description and operation
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1. |
System operation
HUD system displays various information on the windshield glass which
minimizes the driver’s eye movement to enhance safety and convenience.
The Head Up Display reflects the TFT LCD images to two mirrors (flat/concave)
and displays them 2.2m ahead from the driver's eye.
Information provided by HUD ;
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(2) |
Integrated (DIS) information TBT (Turn by Turn) navigation information,
road signage
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(3) |
Safety warning lamp: SCC, LKAS, LFW, Blind Spot Warning
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2. |
HUD Display Contents
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3. |
HUD Unit
Head Up Display : Information of the vehicle system is output to the
combine through CAN communication.
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4. |
Cluster
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5. |
Ambient Light Sensor
Ambient light sensor: The two-direction (horizontal, vertical) measuring
sensor is applied and the HUD brightness is adjusted by the horizontal
measurements.
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Two-direction measuring ambient light sensor applied
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If the ambient light sensor measurement is not recognized, the
HUD does not work. Make sure that the sensor should work before
checking the HUD.
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Components and components location
1. Head Up Display
(HUD)
2. Rain(Light) sensor
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3. Cluster (User
setting menu On/Off)
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Head Up Display Unit. Components and components location
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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Head Up Display Unit. Repair procedures
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1. |
Disconnect the negative (-) battery terminal.
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2. |
Remove the instrument cluster.
(Refer to Indicators And Guages - "Instrument Cluster")
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3. |
Remove the head up display unit (A) after disconneting the connector
(B) and loosening the mounting screws.
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1. |
Install the head up display unit.
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2. |
Install the instrument cluster.
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3. |
Connect the negative (-) battery terminal.
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If a part of the headup display footage is distorted or it is not at eye level
with the driver a Global Diagnostic System (diagnostic tool) can be used to
carry out calibration.
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1. |
In case calibration is required
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When replacing the head-up display unit.
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In case the footage is distorted after replacing the windshield
(double vision removed after film is inner mounted to the glass).
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When the HUD mounted main crashpad is removed/installed or replaced.
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When the video installation location of the Head-up display
unit is not at eye level of the driver and the focus is inconsistent.
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2. |
calibration items
No
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Footage calibration functions
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Calibration cases
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1
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Rotation : Calibration in the half-circle/clockwise direction based
on the center
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2
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Smile : Calibration based vertically on the center
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3
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Slanted(up/down) : Calibration according to an upward/downward slant
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4
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Slanted(left/right) : Calibration according to a left/right slant
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5
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Parallel compensation
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6
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Move location of mark to upward/downward : Compensation according
to eye height
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7
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Initialization : Changed to the status of before video compensation
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