PARKING ASSIST MONITOR SYSTEM(for Camera built-in ECU), Diagnostic DTC:C1621

DTC Code DTC Name
C1621 Back Camera Power Supply Failure

DESCRIPTION

This DTC is stored if the rear television camera assembly judges as a result of its self check that the signals or signal lines between the rear television camera assembly and navigation receiver assembly are not normal.

DTC Code DTC Detection Condition Trouble Area
C1621 Rear television camera assembly power supply failure

  • Harness or connector

  • Rear television camera assembly

  • Navigation receiver assembly

WIRING DIAGRAM

B001DDVE07

CAUTION / NOTICE / HINT

Note


  • If the cable was disconnected from and reconnected to the negative (-) battery terminal, the estimated course lines may not be displayed on the image of the area behind the vehicle. In this case, perform "Correct the Steering Angle Neutral Point" Click here.

  • Depending on the parts that are replaced or operations that are performed during vehicle inspection or maintenance, calibration of other systems as well as the parking assist monitor system may be needed Click here.

PROCEDURE


  1. CHECK DTC OUTPUT


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      No DTC is output A
      DTC is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

  2. CHECK HARNESS AND CONNECTOR (NAVIGATION RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)


    1. Disconnect the H55 navigation receiver assembly connector.

    2. Disconnect the v3*1 or X10*2 rear television camera assembly connector.


      • *1: w/ Tire Carrier

      • *2: w/o Tire Carrier

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

      Standard Resistance
      w/ Tire Carrier
      Tester Connection Condition Specified Condition
      H55-11 (CA+) - v3-6 (CB+) Always Below 1 Ω
      H55-23 (CGND) - v3-5 (CGND) Always Below 1 Ω
      H55-11 (CA+) - H55-23 (CGND) Always 10 kΩ or higher
      H55-11 (CA+) or v3-6 (CB+) - Body ground Always 10 kΩ or higher
      H55-23 (CGND) or v3-5 (CGND) - Body ground Always Below 1 Ω
      w/o Tire Carrier
      Tester Connection Condition Specified Condition
      H55-11 (CA+) - X10-6 (CB+) Always Below 1 Ω
      H55-23 (CGND) - X10-5 (CGND) Always Below 1 Ω
      H55-11 (CA+) - H55-23 (CGND) Always 10 kΩ or higher
      H55-11 (CA+) or X10-6 (CB+) - Body ground Always 10 kΩ or higher
      H55-23 (CGND) or X10-5 (CGND) - Body ground Always Below 1 Ω

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK NAVIGATION RECEIVER ASSEMBLY (CA+, CGND)


    1. B001GO2E02
      Text in Illustration
      *a

      Component with harness connected

      (Navigation Receiver Assembly)

      Remove the navigation receiver assembly with the connector still connected Click here.

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

      Standard Voltage
      Tester Connection Switch Condition Specified Condition
      H55-11 (CA+) - H55-23 (CGND) Engine switch on (ACC) 5.5 to 7.05 V
      H55-11 (CA+) - H55-23 (CGND) Engine switch off Below 1 V
      Result
      Result Proceed to
      OK A
      NG (w/ Tire Carrier) B
      NG (w/o Tire Carrier) C

    A

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

    B

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    C

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here