2007 Lexus LS 460LFACTORY OEM SERVICE PROCEDURE

Inspection Procedure

  1. CHECK LIN COMMUNICATION SYSTEM 
    1. Check for LIN communication system DTCs related to the power window control system.

      Result: 

      LIN COMMUNICATION SYSTEM

      Result Proceed to
      DTC is output A
      DTC is not output B

    A: GO TO LIN COMMUNICATION SYSTEM  (See HOW TO PROCEED WITH TROUBLESHOOTING )

    B: GO TO NEXT STEP 

  2. CHECK CAN COMMUNICATION SYSTEM 
    1. Check for CAN communication system DTCs related to the power window control system.

      Result: 

      CAN COMMUNICATION SYSTEM

      Result Proceed to
      DTC is output A
      DTC is not output B

    A: GO TO CAN COMMUNICATION SYSTEM  (See CAN COMMUNICATION SYSTEM )

    B: GO TO NEXT STEP 

  3. CHECK FOR DTC 
    1. Check where DTC B2312 is output from.

      Result: 

      FOR DTC

      Result Proceed to
      B2312 output from master switch A
      B2312 output from driver side motor B
      B2312 output from front passenger side motor C
      B2312 output from rear motor LH D
      B2312 output from rear motor RH E

    B: Go to step   5 

    C: Go to step   10 

    D: Go to step   15 

    E: Go to step   20 

    A: GO TO NEXT STEP 

  4. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (MASTER SWITCH) 
    1. Use the Data List to check if the master switch is functioning properly.
      1. Intelligent tester

        MASTER SW: 

        INTELLIGENT TESTER MASTER SW

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        P/W AUTO SW Driver side power window auto UP/DOWN switch signal / ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        P P/W AUTO SW Front passenger side power window remote auto UP/DOWN switch signal / ON or OFF ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR P/W AUTO SW Rear power window RH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window RH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL P/W AUTO SW Rear power window LH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window LH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        P P/W UP SW Front passenger side power window remote manual UP switch signal / ON or OFF ON: Front passenger side power window remote manual UP switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR P/W UP SW Rear power window RH remote manual UP switch signal / ON or OFF ON: Rear power window RH remote manual UP switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL P/W UP SW Rear power window LH remote manual UP switch signal / ON or OFF ON: Rear power window LH remote manual UP switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        P P/W DOWN SW Front passenger side power window remote manual DOWN switch signal / ON or OFF ON: Front passenger side power window remote manual DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR P/W DOWN SW Rear power window RH remote manual DOWN switch signal / ON or OFF ON: Rear power window RH remote manual DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL P/W DOWN SW Rear power window LH remote manual DOWN switch signal / ON or OFF ON: Rear power window LH remote manual DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        WINDOW LOCK STS Power window LOCK switch / ON or OFF ON: Power window lock switch LOCK position
        OFF: Power window lock switch UNLOCK position        		 -
      2. Techstream

        Master Switch: 

        TECHSTREAM MASTER SWITCH

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        D Door P/W Auto SW Driver side power window auto UP/DOWN switch signal / ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        P Door P/W Auto SW Front passenger side power window remote auto UP/DOWN switch signal / ON or OFF ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR Door P/W Auto SW Rear power window RH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window RH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL Door P/W Auto SW Rear power window LH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window LH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        P Door P/W Up SW Front passenger side power window remote manual UP switch signal / ON or OFF ON: Front passenger side power window remote manual UP switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR Door P/W up switch Rear power window RH remote manual UP switch signal / ON or OFF ON: Rear power window RH remote manual UP switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL Door P/W up switch Rear power window LH remote manual UP switch signal / ON or OFF ON: Rear power window LH remote manual UP switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        P Door P/W Down SW Front passenger side power window remote manual DOWN switch signal / ON or OFF ON: Front passenger side power window remote manual DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        RR Door P/W Down SW Rear power window RH remote manual DOWN switch signal / ON or OFF ON: Rear power window RH remote manual DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RL Door P/W Down SW Rear power window LH remote manual DOWN switch signal / ON or OFF ON: Rear power window LH remote manual DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        Window Lock Switch Status Power window LOCK switch / ON or OFF ON: Power window lock switch LOCK position
        OFF: Power window lock switch UNLOCK position        		 -

        OK: Tester display changes normally when master switch is operated. 

    NG: REPLACE MASTER SWITCH ASSEMBLY (See  REMOVAL   ) 

    OK: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SECONDS OR MORE) 

  5. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (DRIVER SIDE MOTOR) 
    1. Use the Data List to check if the power window regulator motor is functioning properly.
      1. Intelligent tester

        D DOOR MOTOR: 

        INTELLIGENT TESTER D DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        P/W AUTO SW Driver side power window auto UP/DOWN switch signal / ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        D P/W UP SW Driver side power window MANUAL UP switch signal/ON or OFF ON: Driver side power window manual UP switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        D P/W DOWN SW Driver side power window MANUAL DOWN switch signal/ ON or OFF ON: Driver side power window manual DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
      2. Techstream

        D-Door Motor: 

        TECHSTREAM D DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        D Door P/W Auto SW Driver side power window auto UP/DOWN switch signal / ON or OFF ON: Driver side power window auto UP/DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        D Door P/W Up SW Driver side power window MANUAL UP switch signal/ON or OFF ON: Driver side power window manual UP switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -
        D Door P/W Down SW Driver side power window MANUAL DOWN switch signal/ ON or OFF ON: Driver side power window manual DOWN switch on master switch operated
        OFF: Driver side power window switch on master switch not operated        		 -

        OK: Tester display changes normally when master switch is operated. 

    NG: Go to step 6 

    OK: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SECONDS OR MORE) 

  6. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE DOOR ECU) 
    1. Disconnect the P10 ECU connector.
    2. Disconnect the N13 switch connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      MASTER SWITCH - DRIVER SIDE DOOR ECU

      Tester Connection Condition Specified Condition
      P10-27 (SGND) - N13-12 (GND) Always Below 1 Ω
      P10-26(CPBJ) - N13-11 (B) Always Below 1 Ω
      P10-27 (SGND) or N13-12 (GND) - Body ground Always 10 kΩ or higher
      P10-26 (CPBJ) or N13-11 (B) - Body ground Always 10 kΩ or higher
      Fig 1: Checking Harness And Connector (Master Switch - Driver Side Door ECU)
      G04952090Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  7. CHECK HARNESS AND CONNECTOR (DRIVER SIDE DOOR ECU - DRIVER SIDE MOTOR) 
    1. Disconnect the N10 ECU connector.
    2. Disconnect the N11 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      DRIVER SIDE DOOR ECU - DRIVER SIDE MOTOR

      Tester Connection Condition Specified Condition
      N10-5(BDRJ) - N11-2 (B) Always Below 1 Ω
      N10-2(PWE) - N11-1 (E) Always Below 1 Ω
      N10-5(BDRJ) or N11-2 (B) - Body ground Always 10 kΩ or higher
      N10-2(PWE) or N11-1 (E) - Body ground Always 10 kΩ or higher
      Fig 2: Checking Harness And Connector (Driver Side Door ECU - Driver Side Motor)
      G04952091Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  8. CHECK HARNESS AND CONNECTOR (MASTER SWITCH - DRIVER SIDE MOTOR) 
    1. Disconnect the N13 switch connector.
    2. Disconnect the N11 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      MASTER SWITCH - DRIVER SIDE MOTOR

      Tester Connection Condition Specified Condition
      N13-20 (UP) - N11-10 (UP1) Always Below 1 Ω
      N13-15 (DOWN) - N11-7 (DWN1) Always Below 1 Ω
      N13-20 (UP) or N11-10 (UP1)-Body ground Always 10 kΩ or higher
      N13-15 (DOWN) or N11-7 (DWN1) - Body ground Always 10 kΩ or higher
      Fig 3: Checking Harness And Connector (Master Switch - Driver Side Motor)
      G04952092Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  9. CHECK MASTER SWITCH ASSEMBLY (OPERATION) 
    1. Temporarily replace the master switch with a new or normally functioning one (see REMOVAL  ).
    2. Check that the power window function operates normally.

      OK: Power window operates normally. 

    NG: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Driver Side) (See  REMOVAL   ) 

    OK: REPLACE MASTER SWITCH ASSEMBLY (See  REMOVAL   ) 

  10. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (FRONT PASSENGER SIDE MOTOR) 
    1. Use the Data List to check if the power window regulator motor is functioning properly.
      1. Intelligent tester

        P DOOR MOTOR: 

        INTELLIGENT TESTER P DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        P P/W AUTO SW Front passenger side power window remote auto UP/DOWN switch signal / ON or OFF ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        P P/W UP SW Front passenger side power window remote manual UP switch signal / ON or OFF ON: Front passenger side power window remote manual UP switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        P P/W DOWN SW Front passenger side power window remote manual DOWN switch signal / ON or OFF ON: Front passenger side power window remote manual DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
      2. Techstream

        P-Door Motor: 

        TECHSTREAM P DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        P Door P/W Auto SW Front passenger side power window remote auto UP/DOWN switch signal / ON or OFF ON: Front passenger side power window remote auto UP/DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        P Door P/W Up SW Front passenger side power window remote manual UP switch signal / ON or OFF ON: Front passenger side power window remote manual UP switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -
        P Door P/W Down SW Front passenger side power window remote manual DOWN switch signal / ON or OFF ON: Front passenger side power window remote manual DOWN switch on master switch operated
        OFF: Front passenger side power window switch on master switch not operated        		 -

        OK: Tester display changes normally when front passenger side power window switch is operated. 

    NG: Go to step 11 

    OK: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SECONDS OR MORE) 

  11. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) 
    1. Remove the switch.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR FRONT PASSENGER SIDE)

      Tester Connection Switch Condition Specified Condition
      N6-2 (UP) - N6-5 (GND) Manual UP operation Below 1 Ω
      N6-10 (DOWN) - N6-5 (GND) Manual DOWN operation Below 1 Ω
      Fig 4: Inspecting Power Window Regulator Switch Assembly (For Front Passenger Side)
      G04952093Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE FRONT POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Front Passenger Side) (See  REMOVAL   ) 

    OK: GO TO NEXT STEP 

  12. CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE SWITCH) 
    1. Disconnect the P4 ECU connector.
    2. Disconnect the N6 switch connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE SWITCH

      Tester Connection Condition Specified Condition
      P4-27 (SGND) - N6-5 (GND) Always Below 1 Ω
      P4-27 (SGND) or N6-5 (GND) - Body ground Always 10 kΩ or higher
      Fig 5: Checking Harness And Connector (Front Passenger Side Door ECU - Front Passenger Side Switch)
      G04952094Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  13. CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE MOTOR) 
    1. Disconnect the N1 ECU connector.
    2. Disconnect the N3 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      FRONT PASSENGER SIDE DOOR ECU - FRONT PASSENGER SIDE MOTOR

      Tester Connection Condition Specified Condition
      N1-S(BDRJ) - N3-2(B) Always Below 1 Ω
      N1-2(PWE) - N3-1 (E) Always Below 1 Ω
      N1-5(BDRJ) or N3-2(B) - Body ground Always 10 kΩ or higher
      N1-2(PWE) or N3-1(E)-Body ground Always 10 kΩ or higher
      Fig 6: Checking Harness And Connector (Front Passenger Side Door ECU - Front Passenger Side Motor)
      G04952095Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  14. CHECK HARNESS AND CONNECTOR (FRONT PASSENGER SIDE SWITCH - FRONT PASSENGER SIDE MOTOR) 
    1. Disconnect the N6 switch connector.
    2. Disconnect the N3 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      FRONT PASSENGER SIDE SWITCH - FRONT PASSENGER SIDE MOTOR

      Tester Connection Condition Specified Condition
      N6-2(UP) - N3-10 (UP1) Always Below 1 Ω
      N6-10 (DOWN) - N3-7 (DWN1) Always Below 1 Ω
      N6-4 (AUTO) - N3-4 (AUTO) Always Below 1 Ω
      N6-2(UP) or N3-10 (UP1) - Body ground Always 10 kΩ or higher
      N6-10 (DOWN) or N3-7 (DWN1)- Body ground Always 10 kΩ or higher
      N6-4 (AUTO) or N3-4 (AUTO) - Body ground Always 10 kΩ or higher
      Fig 7: Checking Harness And Connector (Front Passenger Side Switch - Front Passenger Side Motor)
      G04952096Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Front Passenger Side) (See  REMOVAL   ) 

  15. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (REAR MOTOR LH) 
    1. Use the Data List to check if the power window regulator motor is functioning properly.
      1. Intelligent tester

        RL DOOR MOTOR: 

        INTELLIGENT TESTER RL DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        RL P/W AUTO SW Rear power window LH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window LH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        RL P/W UP SW Rear power window LH remote manual UP switch signal / ON or OFF ON: Rear power window LH remote manual UP switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        RL P/W DOWN SW Rear power window LH remote manual DOWN switch signal / ON or OFF ON: Rear power window LH remote manual DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
      2. Techstream

        RL-Door Motor: 

        TECHSTREAM RL DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        RL Door P/W Auto SW Rear power window LH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window LH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        RL Door P/W Up SW Rear power window LH remote manual UP switch signal / ON or OFF ON: Rear power window LH remote manual UP switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -
        RL Door P/W Down SW Rear power window LH remote manual DOWN switch signal / ON or OFF ON: Rear power window LH remote manual DOWN switch on master switch operated
        OFF: Rear power window LH switch on master switch not operated        		 -

        OK: Tester display changes normally when rear power window switch LH is operated. 

    NG: Go to step 16 

    OK: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SECONDS OR MORE) 

  16. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH) 
    1. Remove the switch.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR LH)

      Tester Connection Switch Condition Specified Condition
      O18-2 (UP)-O18-5 (GND) Manual UP operation Below 1 Ω
      O18-10 (DOWN) -O18-5 (GND) Manual DOWN operation Below 1 Ω
      Fig 8: Inspecting Rear Power Window Regulator Switch Assembly (For Rear LH)
      G04952097Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear LH)(See  REMOVAL   ) 

    OK: GO TO NEXT STEP 

  17. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU LH - REAR SWITCH LH) 
    1. Disconnect the O15 ECU connector.
    2. Disconnect the O18 switch connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR DOOR ECU LH - REAR SWITCH LH

      Tester Connection Condition Specified Condition
      O15-25 (SGND)-O18-5 (GND) Always Below 1 Ω
      O15-25 (SGND) or O18-5 (GND) - Body ground Always 10 kΩ or higher
      Fig 9: Checking Harness And Connector (Rear Door ECU LH - Rear Switch LH)
      G04952098Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  18. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU LH - REAR MOTOR LH) 
    1. Disconnect the O14 ECU connector.
    2. Disconnect the O19 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR DOOR ECU LH - REAR MOTOR LH

      Tester Connection Condition Specified Condition
      O14-5 (BDRJ) -O19-2 (B) Always Below 1 Ω
      O14-2 (PWE)-O19-1 (E) Always Below 1 Ω
      O14-5 (BDRJ) or O19-2 (B) - Body ground Always 10 kΩ or higher
      O14-2 (PWE) or O19-1 (E) - Body ground Always 10 kΩ or higher
      Fig 10: Checking Harness And Connector (Rear Door ECU LH - Rear Motor LH)
      G04952099Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  19. CHECK HARNESS AND CONNECTOR (REAR SWITCH LH - REAR MOTOR LH) 
    1. Disconnect the O18 switch connector.
    2. Disconnect the O19 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR SWITCH LH - REAR MOTOR LH

      Tester Connection Condition Specified Condition
      O18-2 (UP)-O19-10 (UP1) Always Below 1 Ω
      O18-10 (DOWN)-O19-7 (DWN1) Always Below 1 Ω
      O18-4 (AUTO)-O19-4 (AUTO) Always Below 1 Ω
      O18-2 (UP) or O19-10 (UP1) - Body ground Always 10 kΩ or higher
      O18-10 (DOWN) or O19-7 (DWN1)-Body ground Always 10 kΩ or higher
      O18-4 (AUTO) or O19-4 (AUTO) - Body ground Always 10 kΩ or higher
      Fig 11: Checking Harness And Connector (Rear Switch LH - Rear Motor LH)
      G04952100Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (for Rear LH) (See  REMOVAL   ) 

  20. READ VALUE OF INTELLIGENT TESTER OR TECHSTREAM (REAR MOTOR RH) 
    1. Use the Data List to check if the power window regulator motor is functioning properly.
      1. Intelligent tester

        RR DOOR MOTOR: 

        INTELLIGENT TESTER RR DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        RR P/W AUTO SW Rear power window RH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window RH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RR P/W UP SW Rear power window RH remote manual UP switch signal / ON or OFF ON: Rear power window RH remote manual UP switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RR P/W DOWN SW Rear power window RH remote manual DOWN switch signal / ON or OFF ON: Rear power window RH remote manual DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
      2. Techstream

        RR-Door Motor: 

        TECHSTREAM RR DOOR MOTOR

        Tester Display Measurement Item/Range Normal Condition Diagnostic Note
        RR Door P/W Auto SW Rear power window RH remote auto UP/DOWN switch signal / ON or OFF ON: Rear power window RH remote auto UP/DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RR Door P/W Up SW Rear power window RH remote manual UP switch signal / ON or OFF ON: Rear power window RH remote manual UP switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -
        RR Door P/W Down SW Rear power window RH remote manual DOWN switch signal / ON or OFF ON: Rear power window RH remote manual DOWN switch on master switch operated
        OFF: Rear power window RH switch on master switch not operated        		 -

        OK: Tester display changes normally when rear power window switch RH is operated. 

    NG: Go to step 21 

    OK: END (DUE TO KEEPING SWITCH OPERATED FOR 20 SECONDS OR MORE) 

  21. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH) 
    1. Remove the switch.
    2. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH)

      Tester Connection Switch Condition Specified Condition
      O7-2 (UP) - O7-5 (GND) Manual UP operation Below 1 Ω
      O7-10 (DOWN) - O7-5 (GND) Manual DOWN operation Below 1 Ω
      Fig 12: Inspecting Rear Power Window Regulator Switch Assembly (For Rear RH)
      G04952101Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (for Rear RH)(See  REMOVAL   ) 

    OK: GO TO NEXT STEP 

  22. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU RH - REAR SWITCH RH) 
      Fig 13: Checking Harness And Connector (Rear Door ECU RH - Rear Switch RH)
      G04952102Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the O2 ECU connector.
    2. Disconnect the O7 switch connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      O2-25 (SGND) - O7-5 (GND) Always Below 1 Ω
      O2-25 (SGND) or O7-5 (GND) - Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  23. CHECK HARNESS AND CONNECTOR (REAR DOOR ECU RH - REAR MOTOR RH) 
      Fig 14: Checking Harness And Connector (Rear Door ECU RH - Rear Motor RH)
      G04952103Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    1. Disconnect the O3 ECU connector.
    2. Disconnect the O8 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      TESTER CONNECTION SPECIFIED CONDITION CHART

      Tester Connection Condition Specified Condition
      O3-5 (BDRJ) - O8-2 (B) Always Below 1 Ω
      O3-2 (PWE) - O8-1 (E) Always Below 1 Ω
      O3-5 (BDRJ) or O8-2 (B) - Body ground Always 10 kΩ or higher
      O3-2(PWE) or O8-1(E)-Body ground Always 10 kΩ or higher

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: GO TO NEXT STEP 

  24. CHECK HARNESS AND CONNECTOR (REAR SWITCH RH - REAR MOTOR RH) 
    1. Disconnect the O7 switch connector.
    2. Disconnect the O8 motor connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard resistance 

      REAR SWITCH RH - REAR MOTOR RH

      Tester Connection Condition Specified Condition
      O7-2 (UP)-O8-10 (UP1) Always Below 1 Ω
      O7-10 (DOWN)-O8-7 (DWN1) Always Below 1 Ω
      O7-4 (AUTO) - O8-4 (AUTO) Always Below 1 Ω
      O7-2 (UP) or O8-10 (UP1) - Body ground Always 10 kΩ or higher
      O7-10 (DOWN) or O8-7 (DWN1)-Body ground Always 10 kΩ or higher
      O7-4 (AUTO) or O8-4 (AUTO) - Body ground Always 10 kΩ or higher
      Fig 15: Checking Harness And Connector (Rear Switch RH - Rear Motor RH)
      G04952104Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

    NG: REPAIR OR REPLACE HARNESS OR CONNECTOR 

    OK: REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH (for Rear RH) (See  REMOVAL   ) 

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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.

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