B2311

WINDOW / GLASS: POWER WINDOW CONTROL SYSTEM: B2311: Power Window Motor Malfunction
B2311 - Power Window Motor Malfunction

DESCRIPTION

The power window regulator motor is operated by the multiplex network master switch or power window regulator switch. The power window regulator motor assembly has motor, regulator and ECU functions.

This DTC is stored when the power window regulator motor has a malfunction, or the ECU built into the 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 can be stored in each power window regulator motor (power window ECU).

D-Door Motor





P-Door Motor





RL-Door Motor





RR-Door Motor





INSPECTION PROCEDURE

NOTICE:
* When a power window regulator motor is reinstalled or replaced, the power window control system must be initialized.
* After any 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 reinitialized by repeating the following operations at least 5 times:
(1) Close the power window by fully pulling up the multiplex network master switch or power window regulator switch and holding it in the auto up position.
(2) Open the power window by fully pushing down the switch.

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 Scan Tool Testing and Procedures.

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





RL-Door Motor





RR-Door Motor





OK:

Each power window regulator motor operates.

Result





B -- REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal

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

D -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Removal

E -- REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Removal
A -- Continue to next step.

2. PERFORM INITIALIZATION

(a) Initialize the power window regulator motor assembly Initialization.

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

HINT
Each power window operates normally.

NEXT -- 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
If the power window components are installed correctly, the problem has been caused by battery disconnection while the engine switch was on (IG), or the motor being overheated.

NG -- INSTALL PARTS CORRECTLY

OK -- END