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Home >> Lexus >> 2020 >> ES 300h Luxury >> Repair and Diagnosis >> External Pages >> Different car >> Section 192 (Power Window Control System (Except Hybrid) - Diagnostic Codes & Symptom Tests) >> POWER WINDOW CONTROL SYSTEM (for Gasoline Model) >> DTC B2311: Power Window Motor Malfunction [06/2018 - ] >> Procedure

DTC B2311: Power Window Motor Malfunction [06/2018 - ]: Procedure

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 2024 Lexus ES 350, 2024 Lexus ES 250, 2023 Lexus ES 350, 2023 Lexus ES 250, and 2022 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK FOR DTC 
    1. Connect the Techstream to the DLC3.
    2. Turn the engine switch on (IG).
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / (desired system) / Clear DTCs.
    5. Clear the DTCs.

      Body Electrical > D-Door Motor > Clear DTCs 

      Body Electrical > P-Door Motor > Clear DTCs 

      Body Electrical > RL-Door Motor > Clear DTCs 

      Body Electrical > RR-Door Motor > Clear DTCs 

    6. Check for DTCs.

      Body Electrical > D-Door Motor > Trouble Codes 

      Body Electrical > P-Door Motor > Trouble Codes 

      Body Electrical > RL-Door Motor > Trouble Codes 

      Body Electrical > RR-Door Motor > Trouble Codes 

      OK

      DTC B2311 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2018 - ] 

    Result: 

    NG 

    See step  2

  2. CHECK DTC OUTPUT 
    1. Check the parts from which this DTC has been output.

      Result

      Result Proceed to
      DTC output from power window regulator motor assembly (for driver door) A
      DTC output from power window regulator motor assembly (for front passenger door) B
      DTC output from power window regulator motor assembly (for rear LH door) C
      DTC output from power window regulator motor assembly (for rear RH door) D

    Result: 

    B 

    See step  4

    Result: 

    C 

    See step  5

    Result: 

    D 

    See step  6

    Result: 

    A 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door) - BATTERY AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.
      GTY837601Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Window Regulator Motor Assembly (for Driver Door))

      Standard Voltage

      Tester Connection Condition Specified Condition
      J27-2 (B) - J27-1 (E) Always 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J27-1 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  7

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  4. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Front Passenger Door) - BATTERY AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.
      GTY820166Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Window Regulator Motor Assembly (for Front Passenger Door))

      Standard Voltage

      Tester Connection Condition Specified Condition
      J5-2 (B) - J5-1 (E) Always 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J5-1 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  7

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  5. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door) - BATTERY AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.
      GTY787525Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Window Regulator Motor Assembly (for Rear LH Door))

      Standard Voltage

      Tester Connection Condition Specified Condition
      L10-2 (B) - L10-1 (E) Always 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L10-1 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    See step  7

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear RH Door) - BATTERY AND BODY GROUND) 
    1. Measure the voltage according to the value(s) in the table below.
      GTY780390Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component with harness connected
      (Power Window Regulator Motor Assembly (for Rear RH Door))

      Standard Voltage

      Tester Connection Condition Specified Condition
      L4-2 (B) - L4-1 (E) Always 11 to 14 V
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      L4-1 (E) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  7

  7. PERFORM ACTIVE TEST USING TECHSTREAM (APPLICABLE LOCATION) 
    1. 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.

    2. 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.

      Body Electrical > D-Door Motor > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Power Window Power window OFF / DOWN / UP -

      Body Electrical > P-Door Motor > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Power Window Power window OFF / DOWN / UP -

      Body Electrical > RL-Door Motor > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Power Window Power window OFF / DOWN / UP -

      Body Electrical > RR-Door Motor > Active Test 

      Tester Display Measurement Item Control Range Diagnostic Note
      Power Window Power window OFF / DOWN / UP -

      Body Electrical > D-Door Motor > Active Test 

      Tester Display
      Power Window

      Body Electrical > P-Door Motor > Active Test 

      Tester Display
      Power Window

      Body Electrical > RL-Door Motor > Active Test 

      Tester Display
      Power Window

      Body Electrical > RR-Door Motor > Active Test 

      Tester Display
      Power Window

      OK

      Each power window operates normally.

      Result

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

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door or Front Passenger Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    C 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door or Rear RH Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    A 

    See step  8

  8. PERFORM INITIALIZATION (APPLICABLE LOCATION) 
    1. Initialize the power window regulator motor assembly.

      Refer to INITIALIZATION [06/2018 - ]

      HINT: 

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

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  9

  9. CHECK POWER WINDOW CONTROL SYSTEM (APPLICABLE LOCATION) 
    1. Check that the power window operates normally by opening and closing it.

      Refer to OPERATION CHECK [06/2018 - ]

      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 door power window)
      NG (Rear LH door power window) C
      NG (Rear RH door power window)

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door or Front Passenger Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    C 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door or Rear RH Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    A 

    See step  10

  10. CHECK WHETHER PARTS HAVE BEEN INSTALLED CORRECTLY 
    1. Check that the power window components are installed correctly.

      HINT: 

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

      OK

      Power window components are installed correctly.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    INSTALL PARTS CORRECTLY 

    Result: 

    OK 

    See step  11

  11. CHECK DTC OUTPUT 
    1. Turn the engine switch off.
    2. Wait for at least 10 seconds, and then turn the engine switch on (IG).
    3. Check for DTCs.

      Body Electrical > D-Door Motor > Trouble Codes 

      Body Electrical > P-Door Motor > Trouble Codes 

      Body Electrical > RL-Door Motor > Trouble Codes 

      Body Electrical > RR-Door Motor > Trouble Codes 

      OK

      B2311 is not output.

      Result

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

    Result: 

    A 

    END 

    Result: 

    B 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Driver Door or Front Passenger Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

    Result: 

    C 

    REPLACE POWER WINDOW REGULATOR MOTOR ASSEMBLY (for Rear LH Door or Rear RH Door). Refer to  REMOVAL [06/2018 - 08/2020]  , or refer to  REMOVAL [08/2020 - 08/2021]  , or refer to  REMOVAL [08/2021 - 09/2022]  , or refer to  REMOVAL [09/2022 - ] 

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