Navigation System Screen Flicker Or Color Distortion

Body Electrical. Lexus Gs430, Gs300. Uzs190 Grs190
Navigation. Lexus Gs430, Gs300. Uzs190 Grs190

INSPECTION PROCEDURE

CHECK DISPLAY SETTING

CHECK CABIN

CHECK COLOR BAR (DISPLAY CHECK MODE)

CHECK NAVI COLOR BAR (NAVIGATION CHECK MODE)

NAVIGATION SYSTEM - Screen Flicker or Color Distortion


INSPECTION PROCEDURE

1.CHECK DISPLAY SETTING
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Screen Flicker Or Color Distortion
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Screen Flicker Or Color Distortion
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Screen Flicker Or Color Distortion
  1. Enter the display adjustment screen by pressing the "DISP" switch.

  1. Reset display settings (contrast, brightness) and check that the screen appears normal.

  1. Press the "INFO" switch and then select "Screen Setting."

  1. Set the "Background Color" to "Green" (initial setting) and check if the display returns to normal.

    OK:
    Returns to normal.


NG
Go to step 2
OK

END

2.CHECK CABIN
  1. Check that the cabin temperature is warmer than -20°C (-4.0°F).

    OK:
    Cabin is warmer than -20°C (-4.0°F).


NG
HEAT CABIN AND RECHECK TEMPERATURE
OK


3.CHECK COLOR BAR (DISPLAY CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Screen Flicker Or Color Distortion
  1. Enter the "Display Check" mode (Color Bar Check Mode) (Click here).

  1. Check that the color bars match the displayed names.

    OK:
    Color bars match the displayed names.


NG
REPLACE MULTI-DISPLAY
OK


4.CHECK NAVI COLOR BAR (NAVIGATION CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Screen Flicker Or Color Distortion
  1. Enter the "Navigation Check" mode (NAVI Color Bar Check) (Click here).

  1. Check that the color bars match the displayed names.

    OK:
    Color bars match the displayed names.


NG
REPLACE MULTI-DISPLAY
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE