LEMON Manuals: Even more car manuals for everyone
Home >> Lexus >> 2009 >> LS 460L RWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Navigation >> NAVIGATION SYSTEM (for HDD) >> Display does not Dim when Light Control Switch is Turned ON >> Inspection Procedure

Inspection Procedure

  1. CHECK IMAGE QUALITY SETTING 
    1. Enter the display adjustment screen by pressing the "DISP" 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: Screen Display - Image Quality Setting
      G06190637Courtesy 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 Mode) (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: Vehicle Signal Check Mode - Screen Display
      G04945333Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      OK 

      LIGHT CONTROL SWITCH CONDITION

      Light Control Switch Condition Display Condition
      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.

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

      OK: REPLACE DISPLAY AND NAVIGATION ASSEMBLY (See  REMOVAL   ) 

scientia non olet · About LEMON Manuals