Navigation System Display Does Not Dim (Night Screen) With Tail Switch On

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

INSPECTION PROCEDURE

CHECK IMAGE QUALITY SETTING

CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)

NAVIGATION SYSTEM - Display does not DIM (Night Screen) with Tail Switch ON


INSPECTION PROCEDURE

1.CHECK IMAGE QUALITY SETTING
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Display Does Not Dim (Night Screen) With Tail Switch On
  1. Enter the display adjustment screen by pressing the "DISP" switch.

  1. Turn the light control switch to TAIL.

  1. Check if "DAY MODE" on the display adjustment is ON.

    OK:
    "DAY MODE" is ON.


NG
Go to step 2
OK

TURN "DAY MODE" SETTING OFF

2.CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE)
Lexus Gs430, Gs300. Uzs190 Grs190.Navigation.Navigation System.Navigation System  Display Does Not Dim (Night Screen) With Tail Switch On
  1. Enter the "Display Check" mode (Vehicle Signal Check Mode) (Click here).

  1. Check that the display changes to ON or OFF according to the light control switch operation.

    OK:
    Light Control Switch
    Display
    TAIL or ON
    ON
    OFF
    OFF
    HINT:
    The display is updated once per second. It is normal for the display to lag behind the actual switch operation.


NG
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
OK

REPLACE MULTI-DISPLAY