LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2010 >> Matrix Base, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Infotainment >> Navigation (Diagnostic Codes & Symptom Tests) >> Navigation System >> Symptom Tests >> Display Does Not Dim When Light Control Switch Is Turned ON >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Display Does Not Dim When Light Control Switch Is Turned ON: Procedure

  1. CHECK IMAGE QUALITY SETTING 
    1. Enter the display adjustment screen by pressing the "DISPLAY" switch.
      Fig 1: Locating Day Mode On Display Adjustment Screen
      GTY188506Courtesy 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.

    NG → See step   2 

    OK → TURN "DAY MODE" SETTING OFF 

  2. CHECK VEHICLE SIGNAL (DISPLAY CHECK MODE) 
    1. Enter the "Display Check" mode (Vehicle Signal Check). Refer to OPERATION CHECK .
      Fig 2: Identifying Vehicle Signal Check Mode Screen
      GTY232304Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Check that the display changes between ON and OFF according to the light control switch operation.

      OK

      Light Control Switch Display
      TAIL or ON 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   3 

    OK → See step   4 

  3. PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE 
  4. REPLACE NAVIGATION RECEIVER ASSEMBLY. Refer to  REMOVAL