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Display does not Dim when Light Control Switch is Turned ON

  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: Identifying DAY MODE On Screen
    G04050414Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: GO TO STEP 2 

    OK: TURN "DAY MODE" SETTING OFF 

  2. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE) 
    1. Enter the "Display Check" mode (Vehicle Signal Check) (See DISPLAY CHECK MODE  ).
    2. Check that the display changes between DIM and BRIGHT according to the light control switch operation.

      OK 

      LIGHT CONTROL SWITCH DISPLAY

      Light Control Switch Display
      TAIL or HEAD DIM
      OFF BRIGHT
      Fig 2: Checking Vehicle Signal (Display Check Mode)
      G04050415Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      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 

    Ok: REPLACE MULTI-DISPLAY