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POWER WINDOW CONTROL SYSTEM, Diagnostic DTC:B2311

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DTC Code DTC Name
B2311 Power Window Motor Malfunction
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DESCRIPTION

The power window regulator motor is operated by the power window regulator master switch assembly. The front door window regulator assembly LH or RH (driver side) has motor, regulator and ECU functions.

This DTC is output when the front door window regulator assembly LH or RH (driver side) has a malfunction, or the ECU built into the regulator motor assembly determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

DTC No. DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Front door window regulator assembly LH or RH (driver side) malfunctions

    2. When ECU in front door window regulator assembly LH or RH (driver side) determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position

  • Front door window regulator assembly LH or RH (driver side)

  • Incorrect installation of power window components
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CAUTION / NOTICE / HINT

Note:

  • When the front door window regulator assembly LH or RH (driver side) is reinstalled or replaced, the power window control system must be initialized.

  • After a door glass or a door glass run has been replaced, the jam protection function may operate unexpectedly when the auto up function is used. In such cases, the auto up function can be resumed by repeating the following operations at least 5 times:


    1. Close the power window by fully pulling up the power window regulator master switch assembly and holding it in the auto up position.

    2. Open the power window by fully pushing down the power window regulator master switch assembly.

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PROCEDURE


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    PERFORM ACTIVE TEST USING INTELLIGENT TESTER


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

    4. Enter the following menus: Body / D-Door Motor / Active Test.

    5. According to the display on the intelligent tester, perform the Active Test.

      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.

      Table 1. D-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      OK
      Driver side power window motor operates.

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    PERFORM INITIALIZATION (DRIVER SIDE)


    1. Initialize the front door window regulator assembly LH or RH (driver side) (Click here).

    2. Check that front door window regulator assembly LH or RH (driver side) operates normally by opening and closing the window (Click here).

      OK
      Front door window regulator assembly LH or RH (driver side) operates normally.

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    CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY


    1. Check that the power window components are installed correctly.

      OK
      Driver side power window components are installed correctly.
      Tip:

      When the power window components are installed correctly, the problem has occurred because, the power window components are installed improperly or the motor is overheated.


    • OK

      END

    • NG

      INSTALL PARTS CORRECTLY