PANORAMIC VIEW MONITOR SYSTEM, Diagnostic DTC:C1621

DTC Code DTC Name
C1621 Back Camera Power Supply Failure

DESCRIPTION

DTC C1621 is stored if the parking assist ECU determines that the input/output signal communication with the rear television camera assembly is abnormal.

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

  • Harness or connector

  • Rear television camera assembly

  • Parking assist ECU

WIRING DIAGRAM

B005NCCE07
*a Rear Television Camera Assembly
*b Parking Assist ECU

CAUTION / NOTICE / HINT

Note


  • When "!" mark is displayed on the multi-display assembly*1 or accessory meter assembly*2 after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.

    Click here


    • *1: for 8 Inch Display

    • *2: for 12.3 Inch Display

  • 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 panoramic view monitor system may be needed.

    Click here

PROCEDURE


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


    1. Disconnect the J72 parking assist ECU connector.

    2. Disconnect the Z11 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
      J72-3 (CB+) - Z11-6 (CB+) Always Below 1 Ω
      J72-9 (CGND) - Z11-5 (CGND) Always Below 1 Ω
      J72-3 (CB+) or Z11-6 (CB+) - Body ground Always 10 kΩ or higher
      J72-9 (CGND) or Z11-5 (CGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

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


    1. B007WPFC42
      *a

      Component with harness connected

      (Parking Assist ECU)

      Remove the parking assist ECU with the connector still connected.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      J72-9 (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
      J72-3 (CB+) - J72-9 (CGND) Engine switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    NG

    REPLACE PARKING ASSIST ECU for LHD: Click here
    REPLACE PARKING ASSIST ECU for RHD: Click here