Panel Switches do not Function [11/2015 - 08/2019]: Procedure

2018 Toyota Prius Two EcoSECTION 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: 

    NG 

    REMOVE FOREIGN MATTER 

    Result: 

    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 [11/2015 - 08/2019]

    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: 

    OK 

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY. Refer to  REMOVAL [11/2015 - 08/2019] 

    Result: 

    NG 

    PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE. Refer to  PROBLEM SYMPTOMS TABLE [11/2015 - 08/2019] 

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.