PANORAMIC 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

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 (for LHD)

  • Side television camera assembly RH (for RHD)

  • Outer rear view mirror assembly LH (for LHD)

  • Outer rear view mirror assembly RH (for RHD)
C1687 Over Current Detected in Driver Side Camera Side camera current malfunction

  • Harness or connector

  • Parking assist ECU

  • Side television camera assembly LH (for LHD)

  • Side television camera assembly RH (for RHD)

  • Outer rear view mirror assembly LH (for LHD)

  • Outer rear view mirror assembly RH (for RHD)

WIRING DIAGRAM

B0058NDE16
B0058NDE17

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
      Result Proceed to
      OK A
      NG (for LHD) B
      NG (for RHD) C

    A

    USE SIMULATION METHOD TO CHECK Click here

    C

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

    B

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


    1. Disconnect the P18 parking assist ECU connector.

    2. Disconnect the M1 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
      P18-18 (LCB+) - M1-4 (DCB+) Always Below 1 Ω
      P18-16 (LCV+) - M1-1 (DCV+) Always Below 1 Ω
      P18-15 (LCV-) - M1-2 (DCV-) Always Below 1 Ω
      P18-17 (LGND) - M1-5 (DGND) Always Below 1 Ω
      P18-18 (LCB+) or M1-4 (DCB+) - Body ground Always 10 kΩ or higher
      P18-16 (LCV+) or M1-1 (DCV+) - Body ground Always 10 kΩ or higher
      P18-15 (LCV-) or M1-2 (DCV-) - Body ground Always 10 kΩ or higher
      P18-17 (LGND) or M1-5 (DGND) - 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. B0057FKC12
      *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
      P18-17 (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
      P18-18 (LCB+) - P18-17 (LGND) Engine switch on (ACC) 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.

      B0057J2C12
      *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.

      Tech Tips


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

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

      Measurement Condition
      Item Content
      Tester Connection P18-16 (LCV+) - P18-17 (LGND)
      Tool Setting 200 mV/DIV., 50 μs/DIV.
      Condition

      • Waveform 1: Engine switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image


      • Waveform 2: Engine switch on (IG), No. 2 combination switch 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

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


    1. Disconnect the P18 parking assist ECU connector.

    2. Disconnect the L1 outer rear view mirror assembly RH connector.

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      P18-30 (RCB+) - L1-4 (DCB+) Always Below 1 Ω
      P18-28 (RCV+) - L1-1 (DCV+) Always Below 1 Ω
      P18-27 (RCV-) - L1-2 (DCV-) Always Below 1 Ω
      P18-29 (RGND) - L1-5 (DGND) Always Below 1 Ω
      P18-30 (RCB+) or L1-4 (DCB+) - Body ground Always 10 kΩ or higher
      P18-28 (RCV+) or L1-1 (DCV+) - Body ground Always 10 kΩ or higher
      P18-27 (RCV-) or L1-2 (DCV-) - Body ground Always 10 kΩ or higher
      P18-29 (RGND) or L1-5 (DGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  8. CHECK PARKING ASSIST ECU


    1. B0057FKC13
      *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
      P18-29 (RGND) - 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
      P18-30 (RCB+) - P18-29 (RGND) Engine switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

  9. CHECK SIDE TELEVISION CAMERA ASSEMBLY RH


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

      B0057J2C13
      *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 RH using an oscilloscope.

      Tech Tips


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

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

      Measurement Condition
      Item Content
      Tester Connection P18-28 (RCV+) - P18-29 (RGND)
      Tool Setting 200 mV/DIV., 50 μs/DIV.
      Condition

      • Waveform 1: Engine switch on (IG), No. 2 combination switch assembly (panoramic view monitor main switch) on, camera lens not covered, displaying image


      • Waveform 2: Engine switch on (IG), No. 2 combination switch 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

  10. REPLACE SIDE TELEVISION CAMERA ASSEMBLY RH


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

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  11. 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 RH IS DEFECTIVE)

    NG

    REPLACE OUTER REAR VIEW MIRROR ASSEMBLY RH Click here