LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2013 >> Prius Two >> Repair and Diagnosis >> Body & Frame >> Windows >> Power Window Control System (Diagnostic Codes & Symptom Tests) (Except Plug-In) >> Power Window Control System >> DTC B2311: Power Window Motor Malfunction >> Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B2311: Power Window Motor Malfunction: Procedure

  1. PERFORM ACTIVE TEST USING TECHSTREAM (APPLICABLE LOCATION) 
    1. Connect the Techstream to the DLC3.
    2. Turn the power switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / (desired system) / Active Test.

      HINT: 

      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 Techstream.
      WARNING:

      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 SIDE))

      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 SIDE))

      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 SIDE))

      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 SIDE))

      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 side power window) C
      NG (Rear LH side power window) D
      NG (Rear RH side power window) E

    B → See step   5 

    C → See step   6 

    D → See step   7 

    E → See step   8 

    A: Go to next step 

  2. PERFORM INITIALIZATION (APPLICABLE LOCATION) 
    1. Initialize the power window regulator motor assembly. Refer to INITIALIZATION .

      HINT: 

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

    NEXT: Go to next step 

  3. CHECK POWER WINDOW CONTROL SYSTEM (APPLICABLE LOCATION) 
    1. Check that the power window operates normally by opening and closing the window. Refer to OPERATION CHECK .

      HINT: 

      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 side power window) C
      NG (Rear LH side power window) D
      NG (Rear RH side power window) E

    B → See step   5 

    C → See step   6 

    D → See step   7 

    E → See step   8 

    A: Go to next step 

  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.

      HINT: 

      When the power window components are installed correctly, the problem has occurred because the battery is disconnected while the power switch is on (IG), the power window components are installed improperly or the motor is overheated.

    NG → INSTALL PARTS CORRECTLY 

    OK → END 

  5. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Side). Refer to  REMOVAL 
  6. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Side). Refer to  REMOVAL 
  7. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Side). Refer to  REMOVAL 
  8. REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Side). Refer to  REMOVAL