POWER WINDOW CONTROL SYSTEM, Diagnostic DTC:B2311

DTC Code DTC Name
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.

Tech Tips

DTC B2311 can be stored in each power window regulator motor (power window ECU).

D-Door Motor
DTC Code DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

    2. ECU in the power window regulator motor determines that the fully closed window position has deviated approx. 20 mm (0.787 in.) or more from the normal position.

  • Front power window regulator motor LH*1

  • Front power window regulator motor RH*2

P-Door Motor
DTC Code DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Power window regulator motor malfunctions

    2. ECU in the power window regulator motor determines that the fully closed window position has deviated approx. 20 mm (0.787 in.) or more from the normal position.

  • Front power window regulator motor LH*1

  • Front power window regulator motor RH*2

RL-Door Motor (for 5 Door)
DTC Code DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Power window regulator motor malfunctions

    2. ECU in the power window regulator motor determines that the fully closed window position has deviated approx. 20 mm (0.787 in.) or more from the normal position.

 Rear power window regulator motor LH
RR-Door Motor (for 5 Door)
DTC Code DTC Detection Condition Trouble Area
B2311

  • Either condition is met:


    1. Power window regulator motor malfunctions

    2. ECU in the power window regulator motor determines that the fully closed window position has deviated approx. 20 mm (0.787 in.) or more from the normal position.

 Rear power window regulator motor RH

INSPECTION PROCEDURE

Note


  • 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 INTELLIGENT TESTER (POWER WINDOW)


    1. Select the Active Test, use the intelligent tester to generate a control command, and then check that each door window regulator operates Click here.

      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 Passenger side power window OFF/UP/DOWN -
      RL-Door Motor (for 5 Door)
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Rear LH side power window OFF/UP/DOWN -
      RR-Door Motor (for 5 Door)
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Rear RH side power window OFF/UP/DOWN -
      OK
      Each power window regulator motor operates.
      Result
      Result Proceed to
      OK A
      NG (Front power window LH) B
      NG (Front power window RH) C
      NG (Rear power window LH)* D
      NG (Rear power window RH)* E

      • *: for 5 Door


    B

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    C

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    D

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH Click here

    E

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH Click here

    A

  2. PERFORM INITIALIZATION


    1. Initialize the power window regulator motor assembly Click here.

    2. Check that each power window operates normally by opening and closing the window Click here.

      Tech Tips

      Each power window operates normally.


    NEXT

  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.

      Tech Tips

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


    NG

    INSTALL PARTS CORRECTLY

    OK

    END