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All Power Windows does not Operate with Door Key Cylinder [08/2017 - ]: Procedure

  1. CHECK LIN COMMUNICATION SYSTEM 
    1. Check for LIN communication system DTCs related to the power window control system.

      Refer to DTC CHECK / CLEAR [08/2015 - 08/2019] , or refer to DTC CHECK / CLEAR [08/2019 - ]

      OK

      LIN communication system DTCs are not output.

    Result: 

    NG 

    GO TO LIN COMMUNICATION SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2015 - ] )

    Result: 

    OK 

    See step  2

  2. CHECK FOR DTC (B2312) 
    1. Check if DTC B2312 is output (Refer to DTC CHECK / CLEAR [08/2015 - ] ).

      OK

      DTC B2312 is not output.

    Result: 

    NG 

    GO TO DTC (B2312) 

    (Refer to DTC B2312: Power Window Switch Malfunction [08/2017 - ] )

    Result: 

    OK 

    See step  3

  3. READ VALUE USING TECHSTREAM (DOOR LOCK SWITCH) 
    1. Use the Data List to check if the door lock switch is functioning properly.
      MAIN BODY

      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Door Key SW-Lock Door key linked lock switch signal / ON or OFF ON: Driver side door key cylinder is turned to lock position
      OFF: Driver side door key cylinder is not turned
      -
      Door Key SW-Unlock Door key linked unlock switch signal / ON or OFF ON: Driver side door key cylinder is turned to unlock position
      OFF: Driver side door key cylinder is not turned
      -

      OK

      On the Techstream screen, each item changes between ON and OFF according to above chart.

    Result: 

    NG 

    GO TO POWER DOOR LOCK CONTROL SYSTEM 

    (Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2017 - ] )

    Result: 

    OK 

    See step  4

  4. CHECK POWER WINDOW MANUAL FUNCTION 
    1. Check that the manual UP/DOWN function using the master switch can operate the front door power window LH and RH (Refer to OPERATION CHECK [08/2017 - ] ).

    Result: 

    OK 

    REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU). Refer to  REMOVAL [08/2017 - 08/2019]  , or refer to  REMOVAL [08/2019 - ] 

    Result: 

    NG 

    PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE 

    (Refer to PROBLEM SYMPTOMS TABLE [08/2017 - ] )