SIDE MONITOR SYSTEM (w/ Rear View Monitor System), Diagnostic DTC:C1686, 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 Code DTC Detection Condition Trouble Area
C1686 Side Camera Feedback Malfunction

  • Harness or connector

  • Parking assist ECU

  • Driver side television camera assembly

  • Driver side outer rear view mirror assembly
C1687 Side Camera Current Malfunction

  • Harness or connector

  • Parking assist ECU

  • Driver side television camera assembly

  • Driver side outer rear view mirror assembly

WIRING DIAGRAM

A00KT29E02

INSPECTION PROCEDURE

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.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      DTC is output A
      No DTC is output B

    B

    CHECK HARNESS AND CONNECTOR (PARKING ASSIST ECU - OUTER REAR VIEW MIRROR) Click here

    A

    USE SIMULATION METHOD TO CHECK Click here

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


    1. Disconnect the I2 parking assist ECU connector.

    2. Disconnect the K2*1 or J3*2 driver side outer rear view mirror assembly connector.


      • *1: for LHD

      • *2: for RHD

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

      Standard Resistance
      for LHD
      Tester Connection Condition Specified Condition
      I2-27 (DCV-) - K2-12 (DCV-) Always Below 1 Ω
      I2-28 (DCV+) - K2-6 (DCV+) Always Below 1 Ω
      I2-29 (DGND) - K2-13 (DGND) Always Below 1 Ω
      I2-30 (DCB+) - K2-5 (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
      for RHD
      Tester Connection Condition Specified Condition
      I2-27 (DCV-) - J3-12 (DCV-) Always Below 1 Ω
      I2-28 (DCV+) - J3-6 (DCV+) Always Below 1 Ω
      I2-29 (DGND) - J3-13 (DGND) Always Below 1 Ω
      I2-30 (DCB+) - J3-5 (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

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  3. CHECK PARKING ASSIST ECU


    1. A00KTSIE04
      Text in Illustration
      *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 Switch Condition Specified Condition
      I2-27 (DCV-) - Body ground Always Below 1 Ω
      I2-29 (DGND) - Body ground Always Below 1 Ω
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE PARKING ASSIST ECU Click here

    C

    REPLACE PARKING ASSIST ECU Click here

    A

  4. CHECK PARKING ASSIST ECU


    1. Disconnect the K2*1 or J3*2 driver side outer rear view mirror assembly connector.


      • *1: for LHD

      • *2: for RHD

    2. A00KUYBE02
      Text in Illustration
      *A for LHD
      *B for RHD
      *a

      Front view of wire harness connector

      (to Driver Side Outer Rear View Mirror Assembly)

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

      Standard Voltage
      for LHD
      Tester Connection Switch Condition Specified Condition
      K2-5 (DCB+) - K2-13 (DGND) Ignition switch ON, wide view front and side monitor switch on 5.8 to 7.05 V
      for RHD
      Tester Connection Switch Condition Specified Condition
      J3-5 (DCB+) - J3-13 (DGND) Ignition switch ON, wide view front and side monitor switch on 5.8 to 7.05 V
      Result
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    B

    REPLACE PARKING ASSIST ECU Click here

    C

    REPLACE PARKING ASSIST ECU Click here

    A

  5. CHECK DRIVER SIDE TELEVISION CAMERA ASSEMBLY


    1. Using an oscilloscope, check the waveform.

      A00KXO3E03
      Text in Illustration
      *a

      Component with harness connected

      (Parking Assist ECU)

      		 - -
      Measurement Condition
      Item Content
      Tester Connection I2-28 (DCV+) - I2-27 (DCV-)
      Tool Setting 0.2 V/DIV., 50 μs/DIV.
      Condition

      • Ignition switch ON, wide view front and side monitor switch on*1

      • Ignition switch ON, 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 Proceed to
      OK (for LHD) A
      OK (for RHD) B
      NG C

    B

    REPLACE PARKING ASSIST ECU Click here

    C

    REPLACE DRIVER SIDE TELEVISION CAMERA ASSEMBLY Click here

    A

    REPLACE PARKING ASSIST ECU Click here

  6. REPLACE DRIVER SIDE TELEVISION CAMERA ASSEMBLY


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


    NEXT

  7. CHECK FOR DTC


    1. Clear the DTCs Click here.

    2. Check for DTCs Click here.

      Result
      Result Proceed to
      No DTC is output A
      DTCs C1686 and/or C1687 is output B

    B

    REPLACE DRIVER SIDE OUTER REAR VIEW MIRROR ASSEMBLY Click here

    A

    END (DRIVER SIDE TELEVISION CAMERA ASSEMBLY IS DEFECTIVE)