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DTC B2312: Power Window Switch Malfunction [10/2014 - ]: Procedure

  1. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - ]

      Body Electrical > Master Switch > Clear 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 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - ]

      Body Electrical > Master Switch > Trouble Codes 

      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 B2312 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (DUE TO SWITCH BEING OPERATED FOR 20 SECONDS OR MORE) 

    Result: 

    NG 

    See step  2

  2. CHECK FOR DTC 
    1. Check the parts which the DTCs have been output from.

      Result

      Result Proceed to
      DTC output from Master Switch A
      DTC output from D-Door Motor B
      DTC output from P-Door Motor C
      DTC output from RL-Door Motor D
      DTC output from RR-Door Motor E

    Result: 

    A 

    REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    C 

    See step  7

    Result: 

    D 

    See step  10

    Result: 

    E 

    See step  13

    Result: 

    B 

    See step  3

  3. READ VALUE USING TECHSTREAM (D-DOOR MOTOR) 
    1. Read the Data List according to the display on the Techstream.

      Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

      Body Electrical > D-Door Motor > Data List 

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

      Body Electrical > D-Door Motor > Data List 

      Tester Display
      D Door P/W Up SW
      D Door P/W Down SW

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) 
    1. Disconnect the M10 multiplex network master switch assembly connector.
    2. Disconnect the M2 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
      M10-20 (UP) - Body ground Always 10 kΩ or higher
      M10-15 (DOWN) - Body ground Always 10 kΩ or higher
      M2-10 (UP) - Body ground Always 10 kΩ or higher
      M2-7 (DOWN) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  5

  5. REPLACE MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY 
    1. Replace the multiplex network master switch assembly.

      Refer to REMOVAL [10/2014 - ]

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  6

  6. CHECK FOR DTC 
    1. Clear the DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - ]

      Body Electrical > D-Door Motor > Clear DTCs 

    2. Check for DTCs.

      Refer to DTC CHECK / CLEAR [10/2014 - ]

      Body Electrical > D-Door Motor > Trouble Codes 

      OK

      DTC B2312 is not output.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    END (MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WAS DEFECTIVE) 

    Result: 

    NG 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

  7. READ VALUE USING TECHSTREAM (P-DOOR MOTOR) 
    1. Read the Data List according to the display on the Techstream.

      Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

      Body Electrical > P-Door Motor > Data List 

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

      Body Electrical > P-Door Motor > Data List 

      Tester Display
      P Door P/W Auto SW
      P Door P/W Up SW
      P Door P/W Down SW

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    See step  8

  8. INSPECT POWER WINDOW REGULATOR SWITCH ASSEMBLY 
    1. Remove the power window regulator switch assembly.

      Refer to REMOVAL [10/2014 - ]

    2. Inspect the power window regulator switch assembly.

      Refer to INSPECTION [10/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE POWER WINDOW REGULATOR SWITCH ASSEMBLY. Refer to  REMOVAL [10/2014 - ] 

    Result: 

    OK 

    See step  9

  9. CHECK HARNESS AND CONNECTOR (POWER WINDOW REGULATOR SWITCH ASSEMBLY - FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) 
    1. Disconnect the L11 power window regulator switch assembly connector.
    2. Disconnect the L2 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
      L11-5 (UP) - Body ground Always 10 kΩ or higher
      L11-8 (AUTO) - Body ground Always 10 kΩ or higher
      L11-4 (DOWN) - Body ground Always 10 kΩ or higher
      L2-10 (UP) - Body ground Always 10 kΩ or higher
      L2-4 (AUTO) - Body ground Always 10 kΩ or higher
      L2-7 (DOWN) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE FRONT POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  10. READ VALUE USING TECHSTREAM (RL-DOOR MOTOR) 
    1. Read the Data List according to the display on the Techstream.

      Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

      Body Electrical > RL-Door Motor > Data List 

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

      Body Electrical > RL-Door Motor > Data List 

      Tester Display
      RL Door P/W Auto SW
      RL Door P/W Up SW
      RL Door P/W Down SW

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    See step  11

  11. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR LH DOOR) 
    1. Remove the rear power window regulator switch assembly (for rear LH door).

      Refer to REMOVAL [10/2014 - ]

    2. Inspect the rear power window regulator switch assembly (for rear LH door).

      Refer to INSPECTION [10/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR LH DOOR). Refer to  REMOVAL [10/2014 - ] 

    Result: 

    OK 

    See step  12

  12. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY [FOR REAR LH DOOR] - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH) 
    1. Disconnect the O1 rear power window regulator switch assembly (for rear LH door) connector.
    2. Disconnect the O2 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
      O1-5 (UP) - Body ground Always 10 kΩ or higher
      O1-4 (DOWN) - Body ground Always 10 kΩ or higher
      O1-8 (AUTO) - Body ground Always 10 kΩ or higher
      O2-10 (UP) - Body ground Always 10 kΩ or higher
      O2-7 (DOWN) - Body ground Always 10 kΩ or higher
      O2-4 (AUTO) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY LH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

  13. READ VALUE USING TECHSTREAM (RR-DOOR MOTOR) 
    1. Read the Data List according to the display on the Techstream.

      Refer to DATA LIST / ACTIVE TEST [10/2014 - ]

      Body Electrical > RR-Door Motor > Data List 

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

      Body Electrical > RR-Door Motor > Data List 

      Tester Display
      RR Door P/W Auto SW
      RR Door P/W Up SW
      RR Door P/W Down SW

      OK

      On the Techstream screen, ON or OFF is displayed accordingly.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    See step  14

  14. INSPECT REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH DOOR) 
    1. Remove the rear power window regulator switch assembly (for rear RH door).

      Refer to REMOVAL [10/2014 - ]

    2. Inspect the rear power window regulator switch assembly (for rear RH door).

      Refer to INSPECTION [10/2014 - ]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY (FOR REAR RH DOOR). Refer to  REMOVAL [10/2014 - ] 

    Result: 

    OK 

    See step  15

  15. CHECK HARNESS AND CONNECTOR (REAR POWER WINDOW REGULATOR SWITCH ASSEMBLY [FOR REAR RH DOOR] - REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH) 
    1. Disconnect the N1 rear power window regulator switch assembly (for rear RH door) connector.
    2. Disconnect the N2 rear 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
      N1-5 (UP) - Body ground Always 10 kΩ or higher
      N1-4 (DOWN) - Body ground Always 10 kΩ or higher
      N1-8 (AUTO) - Body ground Always 10 kΩ or higher
      N2-10 (UP) - Body ground Always 10 kΩ or higher
      N2-7 (DOWN) - Body ground Always 10 kΩ or higher
      N2-4 (AUTO) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE REAR POWER WINDOW REGULATOR MOTOR ASSEMBLY RH. Refer to  REMOVAL [10/2014 - 05/2019]  , or refer to  REMOVAL [05/2019 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

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