AUDIO AND VISUAL SYSTEM Touch Panel Switch does not Function

CAUTION / NOTICE / HINT

Note


  • Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Audio and Visual System.

    Click here

  • When replacing the radio and display receiver assembly, always replace it with a new one. If a radio and display receiver assembly which was installed to another vehicle is used, the following may occur:


    • A communication malfunction DTC may be stored.

    • The radio and display receiver assembly may not operate normally.

PROCEDURE


  1. CHECK MULTI-DISPLAY


    1. Check if there is any foreign matter caught between the display and exterior frame of the multi-display.

      OK
      No foreign matter is caught between the display and exterior frame of the multi-display.

      Tech Tips


      • If there is foreign matter between the display and exterior frame of the multi-display, the touch panel will remain pressed, preventing touch switch operation.

      • Turn the ignition switch to ACC or ON with your hand touching the operating section, non-response may occur.

      Result
      Proceed to
      OK
      NG

    NG

    REMOVE FOREIGN MATTER

    OK

  2. CHECK TOUCH PANEL


    1. Check for foreign matter on the display.

      OK
      The display is clean.
      Result
      Proceed to
      OK
      NG

    NG

    CLEAN DISPLAY AND RECHECK TOUCH PANEL

    OK

  3. CHECK TOUCH SWITCH (OPERATION CHECK)


    1. B0070UB

      Enter the "Touch Switch Check" screen. Refer to Check Touch Switch in Operation Check.

      Click here

    2. Touch the display in the area where the switch malfunction occurs.

      OK
      A "+" mark appears at the touched position.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE Click here