SIDE MONITOR SYSTEM(w/ Parking Assist 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

This DTC is 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

  • Driver side television camera assembly

  • Driver side outer rear view mirror assembly

C1687

Over Current Detected in Driver Side Camera

Side Camera Current Malfunction

  • Harness or connector

  • Parking assist ECU

  • Driver side television camera assembly

  • Driver side outer rear view mirror assembly

WIRING DIAGRAM

E205009E02

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 side monitor system may be needed (Click here).

PROCEDURE

  1. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Clear DTCs

    2. Check for DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Trouble Codes

      Result

      Result

      Proceed to

      DTC is output

      A

      No DTC is output

      B
    B

    USE SIMULATION METHOD TO CHECK

    Click here

    A

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

    1. Disconnect the I2 parking assist ECU connector.

    2. Disconnect the K1 driver side outer rear view mirror assembly connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      I2-27 (DCV-) - K1-2 (DCV-)

      Always

      Below 1 Ω

      I2-28 (DCV+) - K1-1 (DCV+)

      Always

      Below 1 Ω

      I2-29 (DGND) - K1-5 (DGND)

      Always

      Below 1 Ω

      I2-30 (DCB+) - K1-4 (DCB+)

      Always

      Below 1 Ω

      I2-27 (DCV-) - Body ground

      Always

      10 kΩ or higher

      I2-28 (DCV+) - Body ground

      Always

      10 kΩ or higher

      I2-29 (DGND) - Body ground

      Always

      10 kΩ or higher

      I2-30 (DCB+) - Body ground

      Always

      10 kΩ or higher

      Result

      Result

      OK

      NG
    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK PARKING ASSIST ECU

    1. E236916C05

      *a

      Component without harness connected

      (Parking Assist ECU)

      Disconnect the I2 parking assist ECU connector.

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

      Standard Resistance

      Tester Connection

      Condition

      Specified Condition

      I2-27 (DCV-) - Body ground

      Always

      Below 1 Ω

      I2-29 (DGND) - Body ground

      Always

      Below 1 Ω

      Result

      Result

      OK

      NG
    NG

    REPLACE PARKING ASSIST ECU

    Click here

    OK

  4. CHECK PARKING ASSIST ECU

    1. E236917C02

      *a

      Front view of wire harness connector

      (to Driver Side Outer Rear View Mirror Assembly)

      Disconnect the K1 driver side outer rear view mirror assembly connector.

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

      Standard Voltage

      Tester Connection

      Condition

      Specified Condition

      K1-4 (DCB+) - K1-5 (DGND)

      Engine switch on (IG), wide view front and side monitor switch on

      5.8 to 7.05 V

      Result

      Result

      OK

      NG
    NG

    REPAIR OR REPLACE PARKING ASSIST ECU

    Click here

    OK

  5. CHECK DRIVER SIDE TELEVISION CAMERA ASSEMBLY

    1. Using an oscilloscope, check the waveform.

      E167080C06

      *a

      Component with harness connected

      (Parking Assist ECU)

      -

      -
      Table 1. Measurement Condition

      Item

      Content

      Tester Connection

      I2-28 (DCV+) - I2-27 (DCV-)

      Tool Setting

      0.2 V/DIV., 50 μs/DIV.

      Condition

      • Engine switch on (IG), wide view front and side monitor switch on*1

      • Engine switch on (IG), wide view front and side monitor switch on, screen blacked out by covering camera lens*2

      OK

      Waveform is as shown in illustration.

      Result

      Result

      OK

      NG
    OK

    REPLACE PARKING ASSIST ECU

    Click here

    NG

  6. REPLACE DRIVER SIDE TELEVISION CAMERA ASSEMBLY

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

      Click here

      Result

      Result

      NEXT
    NEXT

  7. CHECK FOR DTC

    1. Clear the DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Clear DTCs

    2. Check for DTCs.

      Click here

      Chassis > IPA/Parking Assist Monitor > Trouble Codes

      Result

      Result

      Proceed to

      DTCs C1686 and/or C1687 is output

      A

      No DTC is output

      B
    A

    REPLACE DRIVER SIDE OUTER REAR VIEW MIRROR ASSEMBLY

    Click here

    B

    END (DRIVER SIDE TELEVISION CAMERA ASSEMBLY IS DEFECTIVE)