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DTC C1622-87: Rear Camera Image Signal Missing Message [10/2022 - ]: Procedure

  1. CHECK FOR DTCs 
    1. Using the GTS, check for DTCs and proceed to the respective link below.

      Chassis > Circumference Monitoring Camera Control Module > Trouble Codes 

      Result

      Result Proceed to
      C1622-87 is output A
      DTC C1622-87 and either C1681-87, C168E-87, C169D-87 are output B

    Result: 

    B 

    PROCEED TO THE RESPECTIVE PROCEDURE 

    Refer to Image from Camera for Panoramic View Monitor is Abnormal [10/2022 - ] 

    Result: 

    A 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - REAR TELEVISION CAMERA ASSEMBLY) 

    Pre-procedure1

    1. Disconnect the H125 parking assist ECU connector.
    2. Disconnect the W31 rear 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
      H125-1 (CB+) - W31-2 (CB+) Always Below 1 Ω
      H125-3 (CV+) - W31-4 (CV+) Always Below 1 Ω
      H125-4 (CV-) - W31-3 (CV-) Always Below 1 Ω
      H125-2 (CGND) - W31-1 (CGND) Always Below 1 Ω
      H125-5 (SGND) - W31-5 (SGND) Always Below 1 Ω
      H125-1 (CB+) or W31-2 (CB+) - Body ground Always 10 kΩ or higher
      H125-3 (CV+) or W31-4 (CV+) - Body ground Always 10 kΩ or higher
      H125-4 (CV-) or W31-3 (CV-) - Body ground Always 10 kΩ or higher
      H125-2 (CGND) or W31-1 (CGND) - Body ground Always 10 kΩ or higher
      H125-5 (SGND) or W31-5 (SGND) - 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  3

  3. CHECK PARKING ASSIST ECU (CV+, CV-) 

    Pre-procedure1

    1. Disconnect the H125 parking assist ECU connector.
      GTY1179876Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Parking Assist ECU)

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      3 (CV+) - Body ground Always 10 kΩ or higher
      4 (CV-) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    3. None

    Result: 

    NG 

    REPLACE PARKING ASSIST ECU 

    Refer to REMOVAL [10/2022 - 11/2023] , or refer to REMOVAL [11/2023 - ]

    Result: 

    OK 

    See step  4

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

    Pre-procedure1

    1. Disconnect the rear television camera assembly.

      Procedure1

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

      Standard Resistance

      Tester Connection Condition Specified Condition
      W31-1 (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
      W31-2 (CB+) - W31-1 (CGND) Ignition switch ON 7.5 to 8.5 V

      Result

      Proceed to
      OK
      NG

      Post-procedure1

    4. None

    Result: 

    OK 

    REPLACE REAR 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 - ]

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