Inspection Procedure

HINT:

If the navigation type is NAVIGATION SYSTEM (for HDD), "multi-display" refers to the "display and navigation assembly".

1. CHECK IMAGE QUALITY SETTING 
   1. Enter the display adjustment screen by pressing the "DISPLAY" switch
   2. Turn the light control switch to the TAIL position.
   3. Check if "Day Mode" on the display is ON

      OK: "Day Mode" is ON. 

      Fig 1: Locating Day Mode Switch

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   NG: Go to step 2 

   OK: TURN "DAY MODE" SETTING OFF 

2. CHECK VEHICLE SIGNAL (DISPLAY VEHICLE SIGNAL) 
   1. Enter the "Display Check" mode (Vehicle Signal Check) (see DISPLAY CHECK MODE  ).
   2. Cover the automatic light control sensor on the instrument panel with a cloth.
   3. Set the instrument panel light control to less than 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.
      Fig 2: Screen Display - ADIM/TCAN DIM

      Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      LIGHT CONTROL SWITCH CHART
      
      

      Light Control Switch	Display
      TAIL or HEAD	DIM
      OFF	BRIGHT

      HINT:

      The display is updated once per second. It is normal for the display to lag behind the actual switch operation.

      Result 

      RESULT CHART
      
      

      Result	Proceed to
      OK (w/ Navigation System [for HDD])	A
      OK (w/ Navigation System [for DVD])	B
      OK (w/o Navigation System)	C
      NG	D

   B: REPLACE MULTI-DISPLAY  (see REMOVAL )

   C: REPLACE MULTI-DISPLAY  (See REMOVAL  )

   D: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE  (See PROBLEM SYMPTOMS TABLE  )

   A: REPLACE DISPLAY AND NAVIGATION ASSEMBLY  (see REMOVAL )