DTC    B2311    Power Window Motor Malfunction

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DESCRIPTION

The power window regulator motor is driven by operating the power window regulator switch. The power window regulator motor consists of the motor, regulator and ECU.
This DTC is stored when the power window regulator motor has a malfunction, or the ECU built into the power window regulator motor determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

HINT:
DTC B2311 is set when the ECU for the front door power window regulator motor assembly LH or RH malfunctions.

NOTICE:
  1. When the power window regulator motor is reinstalled or replaced, the power window control system must be initialized.
  2. 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 operation at least 5 times:
    1. Close the power window by fully pulling up the power window switch and holding it in the auto up position.
    2. Open the power window by fully pushing down the switch.


Front Power Window Regulator Motor LH 
DTC No.
DTC Detection Condition
Trouble Area
B2311
  1. When either condition below is met:
    1. The power window regulator motor malfunctions.
    2. When the ECU in the power window regulator motor determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.
  1. Battery disconnection when ignition switch ON
  2. Power window regulator motor
  3. Incorrect installation of power window components
  4. Overheated power window regulator motor

Front Power Window Regulator Motor RH 
DTC No.
DTC Detection Condition
Trouble Area
B2311
  1. When either condition below is met:
    1. The power window regulator motor malfunctions.
    2. When the ECU in the power window regulator motor determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.
  1. Battery disconnection when ignition switch ON
  2. Power window regulator motor
  3. Incorrect installation of power window components
  4. Overheated power window regulator motor

INSPECTION PROCEDURE

1.PERFORM ACTIVE TEST USING INTELLIGENT TESTER (POWER WINDOW)

  1. Connect the intelligent tester to the DLC3.

  1. Turn the ignition switch to ON.

  1. Turn the tester on.

  1. Enter the following menus: Body / (desired system) / Active Test.

  1. According to the display on the 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 does not operate.


    D-Door Motor 
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Driver side power window
    		OFF/UP/DOWN
    		-

    P-Door Motor 
    Tester Display
    		Test Part
    		Control Range
    		Diagnostic Note
    Power Window
    		Front passenger side power window
    		OFF/UP/DOWN
    		-

    OK:
    Each power window motor operates.

    Result 
    Result
    		Proceed to
    OK
    		A
    NG (Driver side power window)
    		B
    NG (Passenger side power window)
    		C



B
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (DRIVER SIDE) (Click here)

C
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (PASSENGER SIDE) (Click here)
A


2.PERFORM INITIALIZATION

  1. Initialize the power window regulator motor (Click here).

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

    OK:
    Each power window operates normally.

    Result 
    Result
    		Proceed to
    OK
    		A
    NG (Driver side power window)
    		B
    NG (Front passenger side power window)
    		C



B
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (DRIVER SIDE) (Click here)

C
REPLACE FRONT DOOR WINDOW REGULATOR SUB-ASSEMBLY (PASSENGER SIDE) (Click here)
A


3.CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

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

    OK:
    Power window components are installed correctly.

    HINT:
    When the power window components are installed correctly, the problem has been caused by battery disconnection while the ignition switch is ON or the motor being overheated.



NG
INSTALL PARTS CORRECTLY
OK

END