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POWER WINDOW CONTROL SYSTEM, Diagnostic DTC:B2311

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DTC Code DTC Name
B2311 Power Window Motor Malfunction
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DESCRIPTION

The power window regulator motor assembly is operated by the multiplex network master switch assembly, power window regulator switch assembly or a 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.

Table 1. D-Door Motor
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
Table 2. P-Door Motor
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
Table 3. RL-Door Motor
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
Table 4. RR-Door Motor
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
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CAUTION / NOTICE / HINT

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).

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PROCEDURE


  1. Click here

    PERFORM ACTIVE TEST USING GTS (APPLICABLE LOCATION)


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

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

      Tip:

      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 GTS.

      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.

      Table 5. D-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      Table 6. P-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      Table 7. RL-Door Motor
      Tester Display Test Part Control Range Diagnostic Note
      Power Window Power window OFF / UP / DOWN -
      Table 8. RR-Door Motor
      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

    • AClick here
    • B

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR) (Click here)

    • C

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR) (Click here)

  2. Click here

    PERFORM INITIALIZATION (APPLICABLE LOCATION)


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

      Tip:

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


  3. Click here

    CHECK POWER WINDOW CONTROL SYSTEM (APPLICABLE LOCATION)


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

      Tip:

      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

    • AClick here
    • B

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR) (Click here)

    • C

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR) (Click here)

  4. Click here

    CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY


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

      OK
      Power window components are installed correctly.

  5. Click here

    CHECK DTC OUTPUT


    1. Turn the power switch off.

    2. Wait for at least 10 seconds, and then turn the power switch on (IG).

    3. Check for DTCs (Click here).

      OK
      B2311 is not output.
      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

    • A

      END

    • B

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR DRIVER DOOR OR FRONT PASSENGER DOOR) (Click here)

    • C

      REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (FOR REAR LH DOOR OR REAR RH DOOR) (Click here)