LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2011 >> LX 570 >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation System (Diagnostic Codes & Circuit Tests) >> Navigation System >> Circuit Tests >> Display does not Dim when Light Control Switch is Turned ON (08/2010 - 08/2011) >> Procedure

Display does not Dim when Light Control Switch is Turned ON (08/2010 - 08/2011): Procedure

  1. CHECK IMAGE QUALITY SETTING 
    1. Enter the display adjustment screen by pressing the "DISP" switch.
      Fig 1: Screen Display - DISP Switch
      GTY354192Courtesy 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 on.

      OK

      "Day Mode" is on.

      TEXT IN ILLUSTRATION

      *1 Example:

    NG → See step   2 

    OK → TURN "Day Mode" SETTING OFF 

  2. CHECK VEHICLE SIGNAL (OPERATION CHECK) 
    1. Display the "Vehicle Signal Check Mode" screen. Refer to OPERATION CHECK .
      Fig 2: Identifying Vehicle Signal Check Mode Screen Display
      GTY190961Courtesy 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 ON and OFF according to the light control switch operation.

      OK

      Light Control Switch Condition Display Condition
      TAIL or HEAD 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 → See step   4 

    OK → See step   3 

  3. REPLACE DISPLAY AND NAVIGATION MODULE DISPLAY. Refer to  REMOVAL 
  4. PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE