POWER WINDOW CONTROL SYSTEM (for Models with Jam Protection Function on 4 Windows), Diagnostic DTC:B2311

DTC Code DTC Name
B2311 Power Window Motor Malfunction

DESCRIPTION

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

This DTC is output when the power window regulator motor assembly has a malfunction, or the ECU built into the power window regulator motor assembly determines that the fully closed window position has deviated approximately 20 mm (0.787 in.) or more from the normal position.

D-Door Motor (Power Window Regulator Motor Assembly (for Driver Door))
DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

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


  • Power window regulator motor assembly (for driver door)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly

P-Door Motor (Power Window Regulator Motor Assembly (for Front Passenger Door))
DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

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


  • Power window regulator motor assembly (for front passenger door)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly

RL-Door Motor (Power Window Regulator Motor Assembly (for Rear LH Door))
DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

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


  • Power window regulator motor assembly (for rear LH door)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly

RR-Door Motor (Power Window Regulator Motor Assembly (for Rear RH Door))
DTC No. DTC Detection Condition Trouble Area
B2311
  • Either condition is met:


    1. Power window regulator motor assembly malfunctions

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


  • Power window regulator motor assembly (for rear RH door)

  • Incorrect installation of power window components

  • Overheated power window regulator motor assembly

INSPECTION PROCEDURE

Note


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

  • If a power window regulator motor assembly has been replaced with a new one, initialize the power window control system Click here.

  • If a power window regulator motor assembly and door window regulator sub-assembly have been removed and installed, or if a power window regulator motor assembly was reused when a door glass or door glass run was replaced, initialize the power window control system Click here.

PROCEDURE


  1. PERFORM ACTIVE TEST USING INTELLIGENT TESTER (APPLICABLE LOCATION)


    1. Connect the intelligent tester to the DLC3.

    2. Turn the ignition switch to ON.

    3. Turn the intelligent tester on.

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

      Tech Tips

      Perform the Active Test for the power window regulator motor assembly that has DTC B2311 stored in its ECU.

    5. Perform the Active Test according to the display on the intelligent tester.

      CAUTION:

      Be careful to avoid injuries as this test causes vehicle parts to move. During the Active Test, the jam protection function will not operate.

      D-Door Motor (Power Window Regulator Motor Assembly (for Driver Door))
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      P-Door Motor (Power Window Regulator Motor Assembly (for Front Passenger Door))
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      RL-Door Motor (Power Window Regulator Motor Assembly (for Rear LH Door))
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      RR-Door Motor (Power Window Regulator Motor Assembly (for Rear RH Door))
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      OK
      Each power window motor operates.
      Result
      Result Proceed to
      OK A
      NG (Driver door power window) B
      NG (Front passenger door power window) B
      NG (Rear LH door power window) C
      NG (Rear RH door power window) C

    B
    C
    A
  2. PERFORM INITIALIZATION (APPLICABLE LOCATION)


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

      Tech Tips

      Initialize the power window regulator motor assembly that has DTC B2311 stored in its ECU.


    NEXT
  3. CHECK POWER WINDOW CONTROL SYSTEM (APPLICABLE LOCATION)


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

      Tech Tips

      Check the power window operation of the window where DTC B2311 has been stored.

      OK
      Each power window operates normally.
      Result
      Result Proceed to
      OK A
      NG (Driver door power window) B
      NG (Front passenger door power window) B
      NG (Rear LH door power window) C
      NG (Rear RH door power window) C

    B
    C
    A
  4. CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY


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

      OK
      Power window components are installed correctly.

    NG
    OK
  5. CHECK DTC OUTPUT


    1. Turn the ignition switch off.

    2. Wait for at least 10 seconds, and then turn the ignition switch to ON.

    3. Check for DTCs Click here.

      OK
      B2311 output does not recur.
      Result
      Result Proceed to
      OK A
      NG (Driver door power window) B
      NG (Front passenger door power window) B
      NG (Rear LH door power window) C
      NG (Rear RH door power window) C

    B
    C
    A