PARKING ASSIST MONITOR SYSTEM(w/o Parallel Parking Assist Function), 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 multi-display assembly 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

  • Multi-display assembly

  • Luggage electrical key switch

WIRING DIAGRAM

B004EMDE04

CAUTION / NOTICE / HINT

Note


  • 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

  • When "!" is displayed on the multi-display assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.

    Click here

PROCEDURE


  1. CHECK HARNESS AND CONNECTOR (MULTI-DISPLAY ASSEMBLY - LUGGAGE ELECTRICAL KEY SWITCH)


    1. Disconnect the O60 multi-display Assembly connector.

    2. Disconnect the U40 luggage electrical key switch connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      O60-10 (CA+) - U40-6 (CB+) Always Below 1 Ω
      O60-21 (CGND) - U40-1 (CGND) Always Below 1 Ω
      O60-10 (CA+) or U40-6 (CB+) - Body ground Always 10 kΩ or higher
      O60-21 (CGND) or U40-1 (CGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  2. INSPECT LUGGAGE ELECTRICAL KEY SWITCH


    1. Disconnect the z22 luggage electrical key switch connector.

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

      B004GG5C22
      *a

      Component without harness connected

      (Luggage Electrical Key Switch)

      		 - -

      Tech Tips

      Perform this inspection with the luggage electrical key switch installed to the vehicle.

      Standard Resistance
      Tester Connection Condition Specified Condition
      U40-6 (CB+) - z22-6 (CB+) Always Below 1 Ω
      U40-1 (CGND) - z22-5 (CGND) Always Below 1 Ω
      U40-6 (CB+) or z22-6 (CB+) - Body ground Always 10 kΩ or higher
      U40-1 (CGND) or z22-5 (CGND)- Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE LUGGAGE ELECTRICAL KEY SWITCH Click here

    OK

  3. INSPECT MULTI-DISPLAY ASSEMBLY (CA+, CGND)


    1. Reconnect the O60 multi-display assembly connector.

    2. B004EHKC04
      *a

      Component with harness connected

      (Multi-display Assembly)

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

      Standard Voltage
      Tester Connection Condition Specified Condition
      O60-10 (CA+) - O60-21 (CGND) Power switch on (ACC) 5.8 to 6.5 V
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE REAR TELEVISION CAMERA ASSEMBLY Click here

    NG

    REPLACE MULTI-DISPLAY ASSEMBLY Click here