POWER WINDOW CONTROL SYSTEM, Diagnostic DTC:B2311

DTC Code DTC Name
B2311 Power Window Motor Malfunction

DESCRIPTION

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

This DTC is stored when the power window regulator motor assembly LH (for driver door) 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. Power window regulator motor assembly is malfunctioning

    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

  • Power window regulator motor assembly LH (for driver door)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly LH (for driver door)

INSPECTION PROCEDURE

Note


  • DTC B2311 is stored in the power window regulator motor assembly LH (for driver door) (power window ECU).

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

  • If a power window regulator motor assembly LH (for driver door) and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system Click here.

PROCEDURE


  1. PERFORM ACTIVE TEST USING TECHSTREAM (DRIVER DOOR WINDOW MOTOR)


    1. Connect the Techstream to the DLC3.

    2. Turn the power switch to on (IG).

    3. Turn the Techstream on.

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

    5. Perform the Active Test according to the display on the Techstream.

      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
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      OK
      Driver door power window motor operates.

    NG

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

    OK

  2. PERFORM INITIALIZATION (DRIVER DOOR WINDOW)


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


    NEXT

  3. CHECK POWER WINDOW CONTROL SYSTEM (DRIVER DOOR WINDOW)


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

      OK
      Driver door power window operates normally.

    NG

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

    NG

    INSTALL PARTS CORRECTLY

    OK

  5. CHECK DTC OUTPUT


    1. Turn the power switch off.

    2. Wait for at least 10 seconds, and then turn the power switch to on (IG).

    3. Check for DTCs Click here.

      OK
      B2311 output does not recur.

    NG

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

    OK

    END