POWER WINDOW CONTROL SYSTEM Rear Power Window LH does not Operate with Rear Power Window Switch LH

DESCRIPTION


WIRING DIAGRAM

A01DQLHE05

INSPECTION PROCEDURE

Note

Inspect the fuses for circuits related to this system before performing the following inspection procedure.

Tech Tips

Since the power window control system has functions that use LIN communication, first confirm that there is no malfunction in the communication system by inspecting the LIN communication functions in accordance with the "How to Proceed with Troubleshooting" procedures. Then, conduct the following inspection procedure.

PROCEDURE


  1. CHECK FOR DTC (B2312)


    1. Check if DTC B2312 is output Click here.

      OK
      DTC B2312 is not output.

    NG

    GO TO DTC B2312 Click here

    OK

  2. READ VALUE USING INTELLIGENT TESTER (REAR POWER WINDOW REGULATOR SWITCH)


    1. Use the Data List to check if the rear power window regulator is functioning properly Click here.

      RL-Door Motor
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door P/W Up SW Rear power window LH manual up signal / ON or OFF

      ON: Rear power window LH manual up switch operated

      OFF: Rear power window LH switch not operated

      		 -
      RL Door P/W Down SW Rear power window LH manual down signal / ON or OFF

      ON: Rear power window LH manual down switch operated

      OFF: Rear power window LH switch not operated

      		 -
      OK
      On tester screen, each item changes between ON and OFF according to above chart.

    NG

    INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here

    OK

  3. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (POWER WINDOW)


    1. Select the Active Test, use the intelligent tester to generate a control command, and then check that power window regulator motor operates Click here.

      RL-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Passenger side power window OFF/UP/DOWN -
      OK
      The power window regulator motor operates normally.

    NG

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    OK

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH


    1. A01DP7NE16

      Remove the rear power window regulator switch Click here.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Switch Condition Specified Condition
      6 (UP) - 1 (GND) Manual up operation Below 1 Ω
      7 (DOWN) - 1 (GND) Manual down operation Below 1 Ω
      6 (UP) - 1 (GND) Not operated 10 kΩ or higher
      7 (DOWN) - 1 (GND) Not operated 10 kΩ or higher

    NG

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - BODY GROUND)


    1. A01DRDLE02
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Rear Power Window Regulator Switch Assembly LH)

      Disconnect the M2 rear power window regulator switch connector.

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      M2-1 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  6. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)


    1. Disconnect the M2 rear power window regulator switch connector.

    2. Disconnect the M4 power window regulator motor connector.

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      M2-6 (UP) - M4-10 (UP) Always Below 1 Ω
      M2-7 (DOWN) - M4-7 (DOWN) Always Below 1 Ω
      M2-6 (UP) - Body ground Always 10 kΩ or higher
      M2-7 (DOWN) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  7. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH - BATTERY AND BODY GROUND)


    1. A01DQ19E03
      Text in Illustration
      *a

      Front view of wire harness connector

      (to Rear Power Window Regulator Motor Assembly LH)

      Disconnect the M4 power window regulator motor connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      M4-2 (B) - Body ground Always 11 to 14 V

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      M4-1 (GND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here