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 adjustment is off.

OK:

"Day Mode" is off.

NG -- TURN "Day Mode" SETTING OFF
OK -- Continue to next step.

2. CHECK VEHICLE SIGNAL

(a) Enter the "Display Check" mode and select "Vehicle Signal Check" Operation Check.





(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. As a result, it is normal for the display to lag behind the actual switch operation.

NG -- PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Problem Symptoms Table

OK -- REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY Removal