LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2020 >> LX 570 >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System - Diagnostic Codes & Symptom Tests >> Power Window Control System >> Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch [09/2015 - ] >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Front Passenger Side Power Window Auto Up / Down Function does not Operate with Front Passenger Side Power Window Switch [09/2015 - ]: Procedure

  1. CHECK FOR DTC 
    1. Check for DTCs. Refer to DTC CHECK / CLEAR [09/2015 - ] .
      RESULT

      Result Proceed to
      DTC is not output A
      B2311 is output B
      B2312 is output C
      B2313 is output D
      LIN communication system DTCs are output E

    Result: 

    GO TO DTC B2311 

    Refer to DTC B2311: Power Window Motor Malfunction [09/2015 - ] )

    Result: 

    GO TO DTC B2312 

    Refer to DTC B2312: Power Window Switch Malfunction [09/2015 - ] )

    Result: 

    GO TO DTC B2313 

    Refer to DTC B2313: Glass Position Initialization Incomplete [09/2015 - ] )

    Result: 

    GO TO LIN COMMUNICATION SYSTEM 

    Refer to DIAGNOSTIC TROUBLE CODE CHART [09/2015 - ] )

    Result: 

    See step  2

  2. CHECK MANUAL UP/DOWN FUNCTION (POWER WINDOW REGULATOR SWITCH) 
    1. Check that the front passenger side door power window moves when the manual up/down function of the power window regulator switch is operated. Refer to OPERATION CHECK [09/2015 - ] .

      OK

      Front passenger side door power window moves.

    Result: 

    NG 

    OTHER PROBLEM (GO TO PROBLEM SYMPTOMS TABLE) 

    Refer to Front Passenger Side Power Window does not Operate with Front Passenger Side Power Window Switch [09/2015 - ] )

    Result: 

    OK 

    See step  3

  3. READ VALUE USING TECHSTREAM (FRONT POWER WINDOW REGULATOR MOTOR RH) 
    1. Use the Data List to check if the power window regulator motor is functioning properly. Refer to DATA LIST / ACTIVE TEST [09/2015 - ] .
      P-DOOR MOTOR

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      P Door P/W Auto SW Front passenger side power window auto up/down signal / ON or OFF ON: Front passenger side power window auto up/down switch operated
      OFF: Power window regulator switch not operated
      -

      OK

      Techstream display changes according to operation of power window regulator switch.

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    Refer to REMOVAL [09/2015 - ] )

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH - FRONT POWER WINDOW REGULATOR MOTOR RH) 
    1. Disconnect the I3 switch connector.
      GTY646547Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    2. Disconnect the I4 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-4 (AUTO) - I4-4 (AUTO) Always Below 1 Ω
      I3-4 (AUTO) or I4-4 (AUTO) - Body ground Always 10 kΩ or higher

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. INSPECT POWER WINDOW REGULATOR SWITCH 
    GTY114967Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Remove the power window regulator switch. Refer to REMOVAL [09/2015 - ] .
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Switch Condition Specified Condition
      I3-4 (AUTO) - I3-5 (GND) Auto up/down operation Below 1 Ω

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    Refer to REMOVAL [09/2015 - ] )

    Result: 

    NG 

    REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY 

    Refer to REMOVAL [09/2015 - ] )