REAR VIEW MONITOR SYSTEM, Diagnostic DTC:C1622

DTC Code DTC Name
C1622 Open or Short Circuit in Back Camera Signal

DESCRIPTION

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

DTC Code DTC Detection Condition Trouble Area
C1622 An open or short in the rear television camera signal circuit

  • Harness or connector

  • Rear television camera assembly

  • Radio and display receiver assembly

WIRING DIAGRAM

B001YH7E02

CAUTION / NOTICE / HINT

Note

When replacing the radio and display receiver assembly, it is necessary to perform the vehicle contract setting for Connected Service Click here.

PROCEDURE


  1. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1622 is not output A
      DTC C1622 is output B

    A

    USE SIMULATION METHOD TO CHECK Click here

    B

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


    1. Disconnect the F118 radio and display receiver assembly connector.

    2. Disconnect the S31 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
      F118-11 (CA+) - S31-6 (CB+) Always Below 1 Ω
      F118-12 (V+) - S31-3 (CV+) Always Below 1 Ω
      F118-24 (V-) - S31-2 (CV-) Always Below 1 Ω
      F118-23 (CGND) - S31-5 (CGND) Always Below 1 Ω
      F118-11 (CA+) or S31-6 (CB+) - Body ground Always 10 kΩ or higher
      F118-12 (V+) or S31-3 (CV+) - Body ground Always 10 kΩ or higher
      F118-24 (V-) or S31-2 (CV-) - Body gound Always 10 kΩ or higher
      F118-23 (CGND) or S31-5 (CGND) - Body ground Always 10 kΩ or higher

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK RADIO AND DISPLAY RECEIVER ASSEMBLY


    1. B001XSGE02
      Text in Illustration
      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

      Remove the radio and display receiver assembly with the connector still connected Click here.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      F118-23 (CGND) - Body ground Always Below 1 Ω
      F118-24 (V-) - 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
      F118-11 (CA+) - Body ground Engine switch on (ACC) 5.5 to 7.05 V

    NG

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    OK

  4. CHECK REAR TELEVISION CAMERA ASSEMBLY


    1. Remove the radio receiver assembly with the connector still connected Click here.

      B001X93E02
      Text in Illustration
      *a

      Component with harness connected

      (Radio and Display Receiver Assembly)

      		 *b Waveform 1
      *c Waveform 2 *d Synchronization Signal
      *e Video Waveform - -

      Tech Tips

      The video waveform changes according to the image sent by the rear television camera assembly.

      Item Content
      Terminal No. (Symbol) F118-12 (V+) - F118-23 (CGND)
      Tool Setting 200 mV/DIV., 50 μsec./DIV.
      Condition

      • Waveform 1: Engine switch on (IG), shift lever in R, camera lens not covered, displaying an image

      • Waveform 2: Engine switch on (IG), shift lever in R, camera lens covered, blacking out screen
      OK
      Waveform is as shown in the illustration.

    OK

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here

    NG

  5. REPLACE REAR TELEVISION CAMERA ASSEMBLY


    1. Replace the rear television camera assembly with a new or normally functioning one Click here.


    NEXT

  6. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC C1622 is not output A
      DTC C1622 is output B

    A

    END (REAR TELEVISION CAMERA ASSEMBLY IS DEFECTIVE)

    B

    REPLACE RADIO AND DISPLAY RECEIVER ASSEMBLY Click here