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DTC C1680-11: Front Camera Circuit Short to Ground [10/2022 - ]: Procedure

  1. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - FRONT TELEVISION CAMERA ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the H127 parking assist ECU connector.
    2. Disconnect the B9 front television camera assembly connector.

      Procedure1

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      H127-1 (CB+) - B9-2 (CB+) Always Below 1 Ω
      H127-2 (CGND) - B9-1 (CGND) Always Below 1 Ω
      H127-1 (CB+) or B9-2 (CB+) - Body ground Always 10 kΩ or higher
      H127-2 (CGND) or B9-1 (CGND) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  2

  2. CHECK PARKING ASSIST ECU (CB+, CGND) 

    Pre-procedure1

    1. Disconnect the front television camera assembly connector.

      Procedure1

    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      B9-1 (CGND) - Body ground Always Below 1 Ω
    3. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      B9-2 (CB+) - B9-1 (CGND) Ignition switch ON 7.5 to 8.5 V

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE FRONT TELEVISION CAMERA ASSEMBLY. Refer to  REMOVAL [12/2019 - 11/2023]  , or refer to  REMOVAL [11/2023 - ] 

    Result: 

    NG 

    REPLACE PARKING ASSIST ECU. Refer to  REMOVAL [10/2022 - 11/2023]  , or refer to  REMOVAL [11/2023 - ]