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DTC B2312: Power Window Switch Malfunction [08/2015 - ]: Procedure

  1. CLEAR DTC 
    1. Clear the DTCs (Refer to DTC CHECK / CLEAR [08/2015 - ] ).

    Result: 

    NEXT 

    See step  2

  2. CHECK FOR DTC 
    1. Check for DTCs (Refer to DTC CHECK / CLEAR [08/2015 - ] ).
      RESULT

      Result Proceed to
      B2312 is output. A
      LIN communication DTCs are output. B
      No DTCs output. C

    Result: 

    B 

    GO TO LIN COMMUNICATION SYSTEM 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2015 - ] )

    Result: 

    C 

    END (DUE TO KEEPING SWITCH OPERATED FOR 20 SEC. OR MORE) 

    Result: 

    A 

    See step  3

  3. CHECK MALFUNCTION LOCATION 
    1. Check where DTC B2312 is output from.
      RESULT

      Result Proceed to
      B2312 output from multiplex network master switch. A
      B2312 output from front power window regulator motor LH. B
      B2312 output from front power window regulator motor RH. C
      B2312 output from rear power window regulator motor LH. D
      B2312 output from rear power window regulator motor RH. E

    Result: 

    A 

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    C 

    See step  6

    Result: 

    D 

    See step  9

    Result: 

    E 

    See step  12

    Result: 

    B 

    See step  4

  4. READ VALUE USING TECHSTREAM (D-Door Motor) 
    1. Use the Data List to check if the power window regulator motor is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
      D-DOOR MOTOR

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      D Door P/W Auto SW Driver side power window auto up/down signal / ON or OFF ON: Driver side power window auto up/down switch operated
      OFF: Driver side power window switch not operated      		 -
      D Door P/W Up SW Driver side power window manual up signal / ON or OFF ON: Driver side power window manual up switch operated
      OFF: Driver side power window switch not operated      		 -
      D Door P/W Down SW Driver side power window manual down signal / ON or OFF ON: Driver side power window manual down switch operated
      OFF: Driver side power window switch not operated      		 -

      OK

      The Techstream display changes according to operation of the master switch.

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    See step  5

  5. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) 
    1. Disconnect I11 multiplex network master switch assembly connector.
    2. Disconnect I12 front power window regulator motor assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I11-20 (UP) - I12-10 (UP) Always Below 1 Ω
      I11-15 (DOWN) - I12-7 (DOWN) Always Below 1 Ω
      I11-20 (UP) or I12-10 (UP) - Body ground Always 10 kΩ or higher
      I11-15 (DOWN) or I12-7 (DOWN) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  6. READ VALUE USING TECHSTREAM (P-Door Motor) 
    1. Use the Data List to check if the power window regulator motor is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
      P-DOOR MOTOR

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      P Door P/W Auto SW Front passenger side power window auto up/down signal / ON or OFF ON: Front passenger side power window auto up/down switch operated
      OFF: Power window regulator switch not operated      		 -
      P Door P/W Up SW Front passenger side power window manual up signal / ON or OFF ON: Front passenger side power window manual up switch operated
      OFF: Power window regulator switch not operated      		 -
      P Door P/W Down SW Front passenger side power window manual down signal / ON or OFF ON: Front passenger side power window manual down switch operated
      OFF: Power window regulator switch not operated      		 -

      OK

      The Techstream display changes according to operation of the power window regulator switch.

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    See step  7

  7. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Remove the power window regulator switch assembly (Refer to REMOVAL [08/2015 - ] ).
    2. Inspect the power window regulator switch assembly (Refer to INSPECTION [08/2015 - ] ).

    Result: 

    NG 

    REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    OK 

    See step  8

  8. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) 
    1. Disconnect the I3 power window regulator switch assembly connector.
    2. Disconnect the I4 front power window regulator motor assembly RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      I3-6 (UP) - I4-10 (UP) Always Below 1 Ω
      I3-7 (DOWN) - I4-7 (DOWN) Always Below 1 Ω
      I3-8 (AUTO) - I4-4 (AUTO) Always Below 1 Ω
      I3-6 (UP) or I4-10 (UP) - Body ground Always 10 kΩ or higher
      I3-7 (DOWN) or I4-7 (DOWN) - Body ground Always 10 kΩ or higher
      I3-8 (AUTO) or I4-4 (AUTO) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  9. READ VALUE USING TECHSTREAM (RL-Door Motor) 
    1. Use the Data List to check if the power window regulator motor is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
      RL-DOOR MOTOR

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RL Door P/W Auto SW Rear power window LH auto up/down signal / ON or OFF ON: Rear power window LH auto up/down switch operated
      OFF: Rear power window LH switch not operated      		 -
      RL Door P/W Up SW Rear power window LH manual up signal / ON or OFF ON: Rear power window LH manual up switch operated
      OFF: Rear power window LH switch not operated      		 -
      RL Door P/W Down SW Rear power window LH manual down signal / ON or OFF ON: Rear power window LH manual down switch operated
      OFF: The rear power window LH switch not operated      		 -

      OK

      The Techstream display changes according to operation of the rear power window switch LH.

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    See step  10

  10. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 
    1. Remove the rear power window regulator switch assembly LH (Refer to REMOVAL [08/2015 - ] ).
    2. Inspect the rear power window regulator switch assembly LH (Refer to INSPECTION [08/2015 - ] ).

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    OK 

    See step  11

  11. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY LH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) 
    1. Disconnect the J10 rear power window regulator switch assembly LH connector.
    2. Disconnect the J11 rear power window regulator motor assembly LH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J10-6 (UP) - J11-10 (UP) Always Below 1 Ω
      J10-7 (DOWN) - J11-7 (DOWN) Always Below 1 Ω
      J10-8 (AUTO) - J11-4 (AUTO) Always Below 1 Ω
      J10-6 (UP) or J11-10 (UP) - Body ground Always 10 kΩ or higher
      J10-7 (DOWN) or J11-7 (DOWN) - Body ground Always 10 kΩ or higher
      J10-8 (AUTO) or J11-4 (AUTO) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  12. READ VALUE USING TECHSTREAM (RR-Door Motor) 
    1. Use the Data List to check if the power window regulator motor is functioning properly (Refer to DATA LIST / ACTIVE TEST [08/2015 - ] ).
      RR-DOOR MOTOR

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      RR Door P/W Auto SW Rear power window RH auto up/down signal / ON or OFF ON: The rear power window RH auto up/down switch operated
      OFF: The rear power window RH switch not operated      		 -
      RR Door P/W Up SW Rear power window RH manual up signal / ON or OFF ON: The rear power window RH manual up switch operated
      OFF: The rear power window RH switch not operated      		 -
      RR Door P/W Down SW Rear power window RH manual down signal / ON or OFF ON: The rear power window RH manual down switch operated
      OFF: The rear power window RH switch not operated      		 -

      OK

      The Techstream display changes according to operation of the rear power window switch RH.

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    See step  13

  13. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 
    1. Remove the rear power window regulator switch assembly RH (Refer to REMOVAL [08/2015 - ] ).
    2. Inspect the rear power window regulator switch assembly RH (Refer to INSPECTION [08/2015 - ] ).

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    OK 

    See step  14

  14. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY RH - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) 
    1. Disconnect the J3 rear power window regulator switch assembly RH connector.
    2. Disconnect the J4 rear power window regulator motor RH connector.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      J3-6 (UP) - J4-10 (UP) Always Below 1 Ω
      J3-7 (DOWN) - J4-7 (DOWN) Always Below 1 Ω
      J3-8 (AUTO) - J4-4 (AUTO) Always Below 1 Ω
      J3-6 (UP) or J4-10 (UP) - Body ground Always 10 kΩ or higher
      J3-7 (DOWN) or J4-7 (DOWN) - Body ground Always 10 kΩ or higher
      J3-8 (AUTO) or J4-4 (AUTO) - Body ground Always 10 kΩ or higher

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH 

    (Refer to REMOVAL [08/2015 - ] )

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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