B2311

WINDSHIELD / WINDOWGLASS: POWER WINDOW CONTROL SYSTEM (w/ Jam Protection Function): B2311: Power Window Motor Malfunction
B2311 - Power Window Motor Malfunction

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





Front Passenger Side Motor





INSPECTION PROCEDURE

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 Power Window Control System (w/ Jam Protection Function).

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





P-Door Motor





OK:

Each power window motor operates.

Result





C -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Removal

B -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal
A -- Continue to next step.

2. PERFORM INITIALIZATION

(a) Initialize the power window regulator motor Initialization.

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

OK:

Each power window operates normally.

Result





C -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Removal

B -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal
A -- Continue to next step.

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.

NG -- INSTALL PARTS CORRECTLY

OK -- END