PANORAMIC VIEW MONITOR SYSTEM, Diagnostic DTC:C1686 and C1687

DTC Code DTC Name
C1686 Driver Side Camera Video Sync Signal Malfunction
C1687 Over Current Detected in Driver Side Camera

DESCRIPTION

These DTCs are stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the driver side television camera assembly to the parking assist ECU.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1686

Driver Side Camera Video Sync Signal Malfunction

Side camera feedback malfunction

  • Harness or connector

  • Parking assist ECU

  • Side television camera assembly LH

  • Outer rear view mirror assembly LH

C1687

Over Current Detected in Driver Side Camera

Side camera current malfunction

  • Harness or connector

  • Parking assist ECU

  • Side television camera assembly LH

  • Outer rear view mirror assembly LH

WIRING DIAGRAM

E334735E08

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 panoramic view monitor system may be needed.

Click here

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Chassis > Panoramic View Monitor > Clear DTCs

    2. Check for DTCs.

      Click here

      Chassis > Panoramic View Monitor > Trouble Codes

      OK

      DTCs C1686 and C1687 are not output.

    Result

    Proceed to

    OK

    NG
    OK

    USE SIMULATION METHOD TO CHECK

    Click here

    NG

  2. CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR ASSEMBLY LH)

    1. Disconnect the a1 parking assist ECU connector.

    2. Disconnect the J14 outer rear view mirror assembly LH connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      a1-12 (LCB+) - J14-5 (LCB+)

      Always

      Below 1 Ω

      a1-10 (LCV+) - J14-6 (LCV+)

      Always

      Below 1 Ω

      a1-11 (LCV-) - J14-14 (LCV-)

      Always

      Below 1 Ω

      a1-24 (LGND) - J14-13 (LGND)

      Always

      Below 1 Ω

      a1-12 (LCB+) or J14-5 (LCB+) - Body ground

      Always

      10 kΩ or higher

      a1-10 (LCV+) or J14-6 (LCV+) - Body ground

      Always

      10 kΩ or higher

      a1-11 (LCV-) or J14-14 (LCV-) - Body ground

      Always

      10 kΩ or higher

      a1-24 (LGND) or J14-13 (LGND) - Body ground

      Always

      10 kΩ or higher

    Result

    Proceed to

    OK

    NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK PARKING ASSIST ECU

    1. E272332C63

      *a

      Component without 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

      a1-24 (LGND) - 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

      a1-12 (LCB+) - a1-24 (LGND)

      Engine switch on (IG)

      5.5 to 7.05 V

    Result

    Proceed to

    OK

    NG
    NG

    REPLACE PARKING ASSIST ECU

    Click here

    OK

  4. CHECK SIDE TELEVISION CAMERA ASSEMBLY LH

    1. Remove the parking assist ECU with the connector still connected.

      E272333C60

      *a

      Component with harness connected

      (Parking Assist ECU)

      *b

      Waveform 1

      *c

      Waveform 2

      *d

      Synchronization Signal

      *e

      Video Waveform

      -

      -

    2. Measure the waveform of the side television camera assembly LH using an oscilloscope.

      Tip:

      • A waterproof connector is used for the side television camera assembly. Therefore, inspect the waveform at the parking assist ECU with the connector connected.

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

      Table 1. Measurement Condition

      Item

      Content

      Tester Connection

      a1-10 (LCV+) - a1-24 (LGND)

      Tool Setting

      200 mV/DIV., 50 μs/DIV.

      Condition

      • Waveform 1: Engine switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image

      • Waveform 2: Engine switch on (IG), telltale light assembly (panoramic view monitor main switch) on, camera lens covered, blacking out screen

      OK

      Waveform is as shown in illustration.

    Result

    Proceed to

    OK

    NG
    OK

    REPLACE PARKING ASSIST ECU

    Click here

    NG

  5. REPLACE SIDE TELEVISION CAMERA ASSEMBLY LH

    1. Replace the side television camera assembly LH with a new or normally functioning one.

      Click here

    Result

    Proceed to

    NEXT
    NEXT

  6. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Chassis > Panoramic View Monitor > Clear DTCs

    2. Check for DTCs.

      Click here

      Chassis > Panoramic View Monitor > Trouble Codes

      OK

      DTCs C1686 and C1687 are not output.

    Result

    Proceed to

    OK

    NG
    OK

    END (SIDE TELEVISION CAMERA ASSEMBLY LH IS DEFECTIVE)

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

    Click here