Navigation System Black Screen (No Image Appears On Navigation And Audio Screen)

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

INSPECTION PROCEDURE

CHECK DISPLAY SETTING

CHECK IMAGE QUALITY SETTING

CHECK CABIN

NAVIGATION SYSTEM - Black Screen (No Image Appears on Navigation and Audio Screen)


INSPECTION PROCEDURE

1.CHECK DISPLAY SETTING
  1. Check that the display is not in "Screen OFF" mode.

    OK:
    The display setting is not in "Screen OFF" mode.


NG
CHANGE SCREEN TO "SCREEN ON" MODE
OK


2.CHECK IMAGE QUALITY SETTING
  1. Check that the screen color quality can be set.

    OK:
    Setting is possible.


NG
Go to step 3
OK

PRESS PANEL SWITCH "DISPLAY" AND SET SCREEN COLOR QUALITY TO NORMAL

3.CHECK CABIN
  1. Check that condensation is not likely to occur in the cabin, and that the temperature is not high or extremely low in the cabin.

    HINT:
    1. A humid cabin and a rapid change in temperature may lead to condensation. Condensation in the cabin may short circuit the screen.
    2. The appropriate temperature for the cabin is 20 to 30°C (68 to 86°F).
    OK:
    Condensation is not likely and temperature is not high or extremely low.


NG
SET CABIN TO APPROPRIATE TEMPERATURE
OK

PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE