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Diagnosis Circuit [06/2015 - ]: Procedure

  1. CHECK CAN COMMUNICATION SYSTEM 
    1. Check if a CAN communication DTC is output.

      Refer to DIAGNOSIS SYSTEM [06/2015 - 01/2018] , or refer to DIAGNOSIS SYSTEM [01/2018 - 11/2018] , or refer to DIAGNOSIS SYSTEM [11/2018 - ]

      Result

      Result Proceed to
      DTCs are output A
      DTC is not output B

    Result: 

    GO TO CAN COMMUNICATION SYSTEM. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [06/2015 - 11/2018]  , or refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (DLC3 - EV CONTROL ECU) 
    1. Turn the power switch off.
      GTY601896Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to EV Control ECU)
      *b Front view of DLC3
    2. Disconnect the connector from the EV Control ECU.
    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G8-13 (TC) - G46-28 (TC) Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. CHECK HARNESS AND CONNECTOR (DLC3 - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G8-4 (CG) - Body ground Always Below 1 Ω
      GTY602724Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of DLC3

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  4

  4. CHECK HARNESS AND CONNECTOR (EV CONTROL ECU - BODY GROUND) 
    1. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      G46-28 (TC) - Body ground Always Below 1 Ω
      GTY551523Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to EV Control ECU)

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE AIRBAG SENSOR ASSEMBLY. Refer to  REMOVAL [06/2015 - 11/2018]  , or refer to  REMOVAL [11/2018 - ] 

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR OR ECU