POWER WINDOW CONTROL SYSTEM, Diagnostic DTC:B2311

DTC Code DTC Name
B2311 Power Window Motor Malfunction

DESCRIPTION

The power window regulator motor is operated by the power window regulator master switch assembly. The power window regulator motor assembly (for Driver Side) has motor, regulator and ECU functions.

This DTC is output when the power window regulator motor assembly (for 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.

Tech Tips

DTC B2311 can be stored in driver side power window regulator motor assembly (power window ECU).

D-Door Motor (Power Window Regulator Motor Assembly (for Driver Side))
DTC No. DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

    2. When ECU in power window regulator motor assembly determines that fully closed window position has deviated approx. 20 mm (0.787 in.) or more from normal position

  • Battery disconnected when ignition switch to ON

  • Power window regulator motor assembly (for driver side)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly

CAUTION / NOTICE / HINT

Note


  • When the power window regulator motor assembly (for 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.

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (APPLICABLE LOCATION)


    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.

      Tech Tips

      Perform the Active Test for the power window regulator motor assembly (for Driver Side) that has DTC B2311 stored in its ECU.

    5. Perform the Active Test according to the display on the intelligent tester.

      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.

      D-Door Motor (Power Window Regulator Motor Assembly (for Driver Side))
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      OK
      Driver side power window motor operates.

    NG

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) Click here

    OK

  2. PERFORM INITIALIZATION (APPLICABLE LOCATION)


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

      Tech Tips

      Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.


    NEXT

  3. CHECK POWER WINDOW CONTROL SYSTEM (APPLICABLE LOCATION)


    1. Check that the power window operates normally by opening and closing the window Click here.

      Tech Tips

      Check the power window operation of the window where DTC B2311 has been stored.

      OK
      Each power window operates normally.

    NG

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side) Click here

    OK

  4. CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY


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

      OK
      Power window components are installed correctly.

      Tech Tips

      When the power window components are installed correctly, the problem has occurred because the battery is disconnected while the ignition switch is on, the power window components are installed improperly or the motor is overheated.


    OK

    END

    NG

    INSTALL PARTS CORRECTLY