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Home >> Toyota >> 2019 >> Highlander LE Plus, FWD >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Audio / Video System - Diagnostic Codes & Symptom Tests - (Except Hybrid) >> Audio And Visual System >> Symptom Tests >> Panel Switches do not Function [12/2013 - ] >> Procedure

Panel Switches do not Function [12/2013 - ]: Procedure

  1. CHECK PANEL SWITCH 
    1. Check for foreign matter around the switches that might prevent operation.

      OK

      No foreign matter is found.

      Result

      Proceed to
      OK
      NG

    Result:  2

    NG 

    REMOVE ANY FOREIGN MATTER FOUND 

    Result:  1

    OK 

    See step  2

  2. CHECK PANEL & STEERING SWITCH (OPERATION CHECK) 
    1. Enter the "Panel & Steering Switch Check Mode" screen. Refer to Check Panel & Steering Switch in Operation Check.
      GTY314872Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

      Refer to OPERATION CHECK [12/2013 - 11/2015] Refer to OPERATION CHECK [11/2015 - 11/2016] Refer to OPERATION CHECK [11/2016 - ]

    2. Operate the abnormal switch and check if the switch status is correctly displayed.

      OK

      The switch status is correctly displayed as operated.

      Result

      Proceed to
      OK
      NG

    Result:  1

    OK 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [12/2013 - ] 

    Result:  2

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [12/2013 - 11/2015]  Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 11/2016]  Refer to  PROBLEM SYMPTOMS TABLE [11/2016 - ]