POWER WINDOW CONTROL SYSTEM 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 Click here.

WIRING DIAGRAM

B001GY9E02
*a Main Body ECU (Multiplex Network Body ECU)
*b Rear Power Window Regulator Switch Assembly LH
*c Rear Power Window Regulator Motor Assembly LH
*d LIN Communication Line

CAUTION / NOTICE / HINT

Note


  • 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 "RL Window Auto Up" and "RL Window Auto Down" power window control system customize settings are "ON" before proceeding with work Click here.

  • After the catch protection function operates, the auto operation is not performed the first time auto up is performed. All auto up operations performed after the first operate normally.

Tech Tips

If the pulse sensor built into the rear power window regulator motor assembly LH 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 Rear Door LH) at the auto up position, and opened manually by pushing down the rear power window regulator switch assembly (for Rear Door LH) Click here.

PROCEDURE


  1. 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 Auto SW Rear LH door power window auto switch signal / OFF or ON

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

      ON: Rear LH door power window auto switch being operated

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

    NG

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

    OK

  2. PERFORM INITIALIZATION (FOR REAR LH DOOR)


    1. Initialize the rear power window regulator motor assembly LH Click here.


    NEXT

  3. CHECK POWER WINDOW CONTROL SYSTEM


    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 Rear LH Door) is operated Click here.

      OK
      Rear LH door auto up and down function is normal.

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)

    NG

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

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


    1. Remove the rear power window regulator switch assembly (for Rear LH Door) Click here.

    2. Inspect the rear power window regulator switch assembly (for Rear LH Door) 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 [FOR REAR LH] - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH)


    1. Disconnect the M2 rear power window regulator switch assembly (for Rear LH Door) connector.

    2. Disconnect the M4 rear power window regulator motor assembly LH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      M2-8 (AUTO) - M4-4 (AUTO) Always Below 1 Ω
      M2-1 (GND) - Body ground Always Below 1 Ω
      M2-8 (AUTO) - 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