POWER WINDOW CONTROL SYSTEM Driver Side Power Window Auto Up / Down Function does not Operate with Power Window Master Switch

DESCRIPTION

If the manual up and down functions operate normally but the auto up and down functions do not, then fail-safe mode may be functioning.

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

WIRING DIAGRAM

A01HOU1E09

INSPECTION PROCEDURE

Note


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

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

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

  • When the ECU determines that the power window regulator motor assembly LH (for driver door) has a malfunction, DTC B2311 is stored.

PROCEDURE


  1. READ VALUE USING TECHSTREAM (DRIVER DOOR WINDOW MOTOR)


    1. Connect the Techstream to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the Techstream on.

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

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

      D-Door Motor
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door P/W Auto SW Driver door power window auto switch signal / ON or OFF

      ON: Driver door power window auto switch operated

      OFF: Driver door power window auto switch not operated

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

    NG

    INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here

    OK

  2. PERFORM INITIALIZATION (DRIVER DOOR WINDOW MOTOR)


    1. Initialize the power window regulator motor assembly LH (for driver door) Click here.


    NEXT

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


    1. Check that the driver door power window moves when the auto up and down functions of the power window regulator master switch assembly are operated Click here.

      OK
      Driver door auto up and down functions are normal.

    NG

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here

    OK

    END (PROBLEM DUE TO INITIALIZATION FAILURE)

  4. INSPECT POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY


    1. A01HMG4E71
      Text in Illustration
      *a

      Component without harness connected

      (Power Window Regulator Master Switch Assembly)

      Remove the power window regulator master switch assembly Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      8 (U) - 1 (E) Auto UP Below 1 Ω
      4 (A) - 1 (E) Auto UP Below 1 Ω
      5 (D) - 1 (E) Auto DOWN Below 1 Ω
      4 (A) - 1 (E) Auto DOWN Below 1 Ω

    NG

    REPLACE POWER WINDOW REGULATOR MASTER SWITCH ASSEMBLY Click here

    OK

  5. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MASTER SWITCH - POWER WINDOW REGULATOR MOTOR (FOR DRIVER DOOR))


    1. Disconnect the K9 power window regulator motor assembly LH (for driver door) connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      K11-4 (A) - K9-4 (AUTO) Always Below 1 Ω
      K11-4 (A) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY LH (FOR DRIVER DOOR) Click here