Display does not Dim when Light Control Switch is Turned ON: Procedure

1. Enter the display adjustment screen by pressing the "DISP" switch.
   Fig 1: Screen Display - Day Mode

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the light control switch to the TAIL position.
3. Check if "Day Mode" on the display adjustment is off.

   OK

   "Day Mode" is off.

NG → TURN "Day Mode" SETTING OFF 

OK: Go to next step 

1. Enter the "Display Check" mode and select "Vehicle Signal Check". Refer to OPERATION CHECK .
   Fig 2: Vehicle Signal Check Mode Screen

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Cover the automatic light control sensor on the instrument panel with a cloth.
3. 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).
4. Check that the display changes between DIM and BRIGHT according to the light control switch operation.

   OK

   Light Control Switch	Display
   TAIL or HEAD	DIM
   OFF	BRIGHT

   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 → See step   3 

OK → See step   4