Display does not Dim when Light Control Switch is Turned ON

NAVIGATION: NAVIGATION SYSTEM (for HDD): Display does not Dim when Light Control Switch is Turned ON

Display does not Dim when Light Control Switch is Turned ON

INSPECTION PROCEDURE

PROCEDURE

1. CHECK IMAGE QUALITY SETTING





(a) Enter the display adjustment screen by pressing the "DISP" switch.
(b) Turn the light control switch to the TAIL position.
(c) Check if "DAY MODE" on the display is ON.
OK:
"DAY MODE" is ON.
NG -- CHECK VEHICLE SIGNAL (DISPLAY VEHICLE SIGNAL)
OK -- TURN "DAY MODE" SETTING OFF
2. CHECK VEHICLE SIGNAL (DISPLAY VEHICLE SIGNAL)





(a) Enter the "Display Check" mode (Vehicle Signal Check Mode) Display Check Mode.
(b) Cover the automatic light control sensor on the instrument panel with a cloth.
(c) Set the instrument panel light control to less than the maximum (to activate the dimmer function that works when the light control switch is in the TAIL position).
(d) Check that the display changes between DIM and BRIGHT according to the light control switch operation.
OK:





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 DISPLAY AND NAVIGATION ASSEMBLY