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Home >> Lexus >> 2024 >> LX 600 Base >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostic Codes & Symptom Tests >> Power Window Control System >> Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch [12/2021 - ] >> Procedure
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Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch [12/2021 - ]: Procedure

  1. READ VALUE USING GTS (P-DOOR MOTOR) 
    1. Using the GTS, read the data for the condition when the power window with bezel switch assembly was operated.

      Body Electrical > P-Door Motor > Data List 

      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      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
      -
      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
      -

      Body Electrical > P-Door Motor > Data List 

      Tester Display
      P Door P/W Up SW
      P Door P/W Down SW

      OK

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

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [12/2021 - ] 

    Result: 

    NG 

    See step  2

  2. INSPECT POWER WINDOW WITH BEZEL SWITCH ASSEMBLY 

    Refer to INSPECTION [12/2021 - ]

    Result

    Proceed to
    OK
    NG

    Result: 

    NG 

    REPLACE POWER WINDOW WITH BEZEL SWITCH ASSEMBLY. Refer to  REMOVAL [12/2021 - ] 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER WINDOW WITH BEZEL SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY) 
    1. Disconnect the M27 power window with bezel switch assembly connector.
    2. Disconnect the M7 front power window regulator motor assembly connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      M27-2 (UP) - M7-10 (UP) Always Below 1 Ω
      M27-10 (DOWN) - M7-7 (DOWN) Always Below 1 Ω
      M27-4 (AUTO) - M7-4 (AUTO) Always Below 1 Ω
      M27-2 (UP) or M7-10 (UP) - Body ground Always 10 kΩ or higher
      M27-10 (DOWN) or M7-7 (DOWN) - Body ground Always 10 kΩ or higher
      M27-4 (AUTO) or M7-4 (AUTO) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [12/2021 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR