Toyota Tundra Service Manual: Power Window Motor Malfunction (B2311)

DESCRIPTION

The power window regulator motor is driven by operating the power window switch. The power window regulator sub-assembly 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:

  • When the power window regulator motor 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 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.
Driver Side Motor

DTC Code

DTC Detection Condition

Trouble Area

B2311

  • Either condition below is met:
    1. The power window regulator motor malfunctions.
    2. 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.
  • Battery disconnection when ignition switch ON
  • Front power window regulator motor assembly LH
  • Incorrect installation of power window components
  • Overheated power window regulator motor
Front Passenger Side Motor

DTC Code

DTC Detection Condition

Trouble Area

B2311

  • Either condition below is met:
    1. The power window regulator motor malfunctions.
    2. 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.
  • Battery disconnection when ignition switch ON
  • Front power window regulator motor assembly RH
  • Incorrect installation of power window components
  • Overheated power window regulator motor

PROCEDURE

1.

PERFORM ACTIVE TEST USING TECHSTREAM (POWER WINDOW)

(a) Select the Active Test, use the Techstream to generate a control command, and then check that each door window regulator operates (See page ).

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 (Front passenger side power window)

C

B

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

C

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

A

2.

PERFORM INITIALIZATION

(a) Initialize the power window regulator motor (See page ).

(b) Check that each power window operates normally by opening and closing each window (See page ).

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 POWER WINDOW REGULATOR MOTOR ASSEMBLY LH

C

REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH

A

3.

CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY

(a) 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.

OK

END

NG

INSTALL PARTS CORRECTLY

    All Power Windows does not Operate with Door Key Cylinder

    Power Window Switch Malfunction (B2312)

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