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

DESCRIPTION


WIRING DIAGRAM

B001CFPE04

CAUTION / NOTICE / HINT

Note


  • The power window control system uses the LIN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the power window control system after confirming that the communication system is functioning properly Click here.

  • If the rear power window regulator motor assembly LH has been replaced with a new one, initialize the power window control system Click here.

  • Check that the window lock switch is off before performing the following procedure.

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

  • If the main body ECU (multiplex network body ECU) is replaced, refer to the Service Bulletin.

  • As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*


    • *: w/ Door Control Battery

PROCEDURE


  1. READ VALUE USING GTS (MAIN BODY)


    1. Read the Data List according to the display on the GTS Click here.

      Main Body
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Communication RL-Door Motor Connection status between rear power window regulator motor assembly LH and main body ECU (multiplex network body ECU) / STOP or OK

      STOP: Communication stopped

      OK: Normal communication

      		 -
      OK
      On the GTS screen, OK is displayed.

    NG

    GO TO LIN COMMUNICATION SYSTEM Click here

    OK

  2. READ VALUE USING GTS (RL-DOOR MOTOR)


    1. Read the Data List according to the display on the GTS Click here.

      RL-Door Motor
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door P/W Up SW 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

      		 -
      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

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

    NG

    INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here

    OK

  3. PERFORM ACTIVE TEST USING GTS (RL-DOOR MOTOR)


    1. Perform the Active Test according to the display on the GTS Click here.

      CAUTION:

      Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.

      RL-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF/UP/DOWN -

      Tech Tips

      Up and down movement does not occur if the arrow is not pressed and held.

      OK
      Rear LH power window operates normally.

    OK

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

    NG

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH


    1. Remove the rear power window regulator switch assembly LH Click here.

    2. Inspect the rear power window regulator switch assembly LH Click here.


    NG

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH Click here

    OK

  5. 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

    OK

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR