POWER WINDOW CONTROL SYSTEM(for Models with Jam Protection Function on 4 Windows) Rear Power Window LH Auto Up / Down Function does not Operate with Rear Power Window Switch LH

DESCRIPTION

If the manual up and down function operates normally but the auto up and down function does not, then fail-safe mode may be functioning.

If power window initialization has not been performed, the auto up and down function will not operate.

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WIRING DIAGRAM

A012KJXE27
*a from Main Body ECU (Multiplex Network Body ECU)
*b Rear Power Window Regulator Switch Assembly (for LH Door)
*c Rear Door Window Regulator Assembly (for LH Door)
*d LIN Communication Line

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 door window regulator assembly (for LH door) has been replaced with a new one, initialize the power window control system.

    Click here

Tech Tips

If the pulse sensor built into the rear door window regulator assembly (for LH door) is malfunctioning, the power window control system enters fail-safe mode. The remote up and down and auto up and down functions cannot be operated during fail-safe mode. However, the power window can be closed by holding the rear power window regulator switch assembly (for LH door) at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly (for LH door).

PROCEDURE


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


    1. Connect the GTS to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / RL-Door Motor / Data List.

    5. Read the Data List according to the display on the GTS.


      Body Electrical > RL-Door Motor > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      RL Door P/W Auto SW Rear LH door power window auto switch signal ON or OFF

      ON: Rear LH door power window auto switch being operated

      OFF: Rear LH door power window auto switch not being operated

      		 -

      Body Electrical > RL-Door Motor > Data List
      Tester Display
      RL Door P/W Auto SW
      OK
      On the GTS screen, ON or OFF is displayed accordingly.
      Result
      Proceed to
      OK
      NG

    NG

    INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR) Click here

    OK

  2. PERFORM INITIALIZATION (FOR LH DOOR)


    1. Initialize the rear door window regulator assembly (for LH door).

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  3. CHECK POWER WINDOW CONTROL SYSTEM (AUTO UP/DOWN FUNCTION)


    1. Check that the rear LH door power window moves when the auto up and down function of the rear power window regulator switch assembly (for LH door) are operated.

      Click here

      OK
      Rear LH door auto up and down function is normal.
      Result
      Proceed to
      OK
      NG

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)

    NG

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY (FOR LH DOOR) Click here

  4. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR)


    1. A012JLZC31
      *a

      Component without harness connected

      (Rear Power Window Regulator Switch Assembly (for LH Door))

      Remove the rear power window regulator switch assembly (for LH door).

      Click here

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      8 (AUTO) - 1 (GND) Auto up or auto down position Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR LH DOOR) Click here

    OK

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


    1. Disconnect the K3 rear door window regulator assembly (for LH door) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K1-8 (AUTO) - K3-4 (AUTO) Always Below 1 Ω
      K1-8 (AUTO) - Body ground Always 10 kΩ or higher
      K3-4 (AUTO) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR DOOR WINDOW REGULATOR ASSEMBLY (FOR LH DOOR) Click here

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR