Remote Up / Down Function does not Operate [09/2021 - 11/2022]: Procedure

2025 Toyota Corolla Cross L, FWDSECTION Procedure
  1. READ VALUE USING GTS (Main Body) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Main Body > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      Communication P-Door Motor Connection status between power window regulator motor assembly (for front passenger door) and main body ECU (multiplex network body ECU) STOP or OK STOP: Communication stopped
      OK: Normal communication
      -
      Communication RR-Door Motor Connection status between power window regulator motor assembly (for rear RH door) and main body ECU (multiplex network body ECU) STOP or OK STOP: Communication stopped
      OK: Normal communication
      -
      Communication RL-Door Motor Connection status between power window regulator motor assembly (for rear LH door) and main body ECU (multiplex network body ECU) STOP or OK STOP: Communication stopped
      OK: Normal communication
      -
      Communication Master Switch Connection status between multiplex network master switch assembly and main body ECU (multiplex network body ECU) STOP or OK STOP: Communication stopped
      OK: Normal communication
      -

      Body Electrical > Main Body > Data List 

      Tester Display
      Communication P-Door Motor
      Communication RR-Door Motor
      Communication RL-Door Motor
      Communication Master Switch

      OK

      OK is displayed for each Data List item above.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    GO TO LIN COMMUNICATION SYSTEM (Proceed to How to Proceed with Troubleshooting). Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [09/2021 - 11/2022] 

    Result: 

    OK 

    See step  2

  2. READ VALUE USING GTS (Master Switch) 
    1. Read the Data List according to the display on the GTS.

      Body Electrical > Master Switch > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      P Door P/W Auto SW Front passenger door power window auto switch signal OFF or ON OFF: Front passenger door power window auto up or auto down switch not being operated
      ON: Front passenger door power window auto up or auto down switch being operated
      -
      RR Door P/W Auto SW Rear RH door power window auto switch signal OFF or ON OFF: Rear RH door power window auto up or auto down switch not being operated
      ON: Rear RH door power window auto up or auto down switch being operated
      -
      RL Door P/W Auto SW Rear LH door power window auto switch signal OFF or ON OFF: Rear LH door power window auto up or auto down switch not being operated
      ON: Rear LH door power window auto up or auto down switch being operated
      -
      P Door P/W Up SW Front passenger door power window manual up switch signal OFF or ON OFF: Front passenger door power window manual up switch not being operated
      ON: Front passenger door power window manual up switch being operated
      -
      RR Door P/W up switch Rear RH door power window manual up switch signal OFF or ON OFF: Rear RH door power window manual up switch not being operated
      ON: Rear RH door power window manual up switch being operated
      -
      RL Door P/W up switch Rear LH door power window manual up switch signal OFF or ON OFF: Rear LH door power window manual up switch not being operated
      ON: Rear LH door power window manual up switch being operated
      -
      P Door P/W Down SW Front passenger door power window manual down switch signal OFF or ON OFF: Front passenger door power window manual down switch not being operated
      ON: Front passenger door power window manual down switch being operated
      -
      RR Door P/W Down SW Rear RH door power window manual down switch signal OFF or ON OFF: Rear RH door power window manual down switch not being operated
      ON: Rear RH door power window manual down switch being operated
      -
      RL Door P/W Down SW Rear LH door power window manual down switch signal OFF or ON OFF: Rear LH door power window manual down switch not being operated
      ON: Rear LH door power window manual down switch being operated
      -
      Window Lock Switch Status Window lock switch signal OFF or ON OFF: Window lock switch off (not pushed in)
      ON: Window lock switch on (pushed in)
      -

      Body Electrical > Master Switch > Data List 

      Tester Display
      P Door P/W Auto SW
      RR Door P/W Auto SW
      RL Door P/W Auto SW
      P Door P/W Up SW
      RR Door P/W up switch
      RL Door P/W up switch
      P Door P/W Down SW
      RR Door P/W Down SW
      RL Door P/W Down SW
      Window Lock Switch Status

      OK

      On the GTS screen, ON or OFF is displayed accordingly.

      Result

      Result Proceed to
      NG A
      OK (Front passenger door power window remote up and down functions do not operate) B
      OK (Rear LH door power window remote up and down functions do not operate) C
      OK (Rear RH door power window remote up and down functions do not operate)

    Result: 

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to  REMOVAL [09/2021 - ] 

    Result: 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door). Refer to  REMOVAL [09/2021 - 11/2022] 

    Result: 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door or Rear RH Door). Refer to  REMOVAL [09/2021 - 11/2022] 

RENDER: 1.0x

NO RELATED

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

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