NO.3 DISPLAY SCREEN CHANGES TO WHITE.[CAR-NAVIGATION SYSTEM]
id0903e8801900
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3
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Display screen changes to white.
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POSSIBLE CAUSE
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• Car-navigation unit malfunction
• LCD unit malfunction
• Improper adjustment of the screen contrast
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Diagnostic procedure
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STEP |
INSPECTION |
ACTION |
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1
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• Does the display screen change to “display quality adjustment“ mode when pressing the MODE button for approx. 2 s or more?
• Does system work properly?
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Yes
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Go to the next step.
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No
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Replace the LCD unit.
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2
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• Select “default display“ or “display quality adjustment“ mode in the NAVI mode.
• Press “ENTER“ button.
• Does system work properly?
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Yes
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Troubleshooting is completed.
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No
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Replace the LCD unit, then go to the next step.
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3
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• Does system work properly?
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Yes
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Troubleshooting is completed.
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No
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Replace the car-navigation unit.
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