PARKING ASSIST MONITOR SYSTEM, 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*1 or radio and display receiver assembly*2 are not normal.

DTC No. Detection Item DTC Detection Condition Trouble Area
C1621 Back Camera Power Supply Failure Rear television camera assembly power supply failure

  • Harness or connector

  • Rear television camera assembly

  • Navigation receiver assembly*1

  • Radio and display receiver assembly*2

WIRING DIAGRAM

A003MYPE02

CAUTION / NOTICE / HINT

Note


  • If the cable was disconnected from and reconnected to the negative (-) auxiliary 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. CONFIRM MODEL


    1. Choose the model to be inspected.

      Result
      Result Proceed to
      for Navigation Receiver Type A
      for Radio and Display Type B

    B

    CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY) Click here

    A

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


    1. Disconnect the I36 navigation receiver assembly connector.

    2. Disconnect the R4 rear television camera assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I36-11 (CA+) - R4-6 (CB+) Always Below 1 Ω
      I36-23 (CGND) - R4-5 (CGND) Always Below 1 Ω
      I36-11 (CA+) - I36-23 (CGND) Always 10 kΩ or higher
      I36-11 (CA+) or R4-6 (CB+) - Body ground Always 10 kΩ or higher
      I36-23 (CGND) or R4-5 (CGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. INSPECT NAVIGATION RECEIVER ASSEMBLY (CA+)


    1. Reconnect the I36 navigation receiver assembly connector.

    2. A003OIXC20
      *a

      Component with harness connected

      (Navigation Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I36-11 (CA+) - Body ground Power switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    NG

    REPLACE NAVIGATION RECEIVER ASSEMBLY Click here

  4. CHECK HARNESS AND CONNECTOR (RADIO AND DISPLAY RECEIVER ASSEMBLY - REAR TELEVISION CAMERA ASSEMBLY)


    1. Disconnect the I99 radio and display receiver assembly connector.

    2. Disconnect the R4 rear television camera assembly connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      I99-11 (CA+) - R4-6 (CB+) Always Below 1 Ω
      I99-23 (CGND) - R4-5 (CGND) Always Below 1 Ω
      I99-11 (CA+) - I99-23 (CGND) Always 10 kΩ or higher
      I99-11 (CA+) or R4-6 (CB+) - Body ground Always 10 kΩ or higher
      I99-23 (CGND) or R4-5 (CGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  5. INSPECT RADIO AND DISPLAY RECEIVER ASSEMBLY (CA+)


    1. Reconnect the I99 radio and display receiver assembly connector.

    2. A003OIXC21
      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      I99-11 (CA+) - Body ground Power switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here