PANORAMIC VIEW MONITOR SYSTEM, Diagnostic DTC:C1686

DTC Code DTC Name
C1686 Driver Side Camera Video Sync Signal Malfunction

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

  • Side television camera assembly LH (for LHD)

  • Outer rear view mirror assembly LH (for LHD)

  • Side television camera assembly RH (for RHD)

  • Outer rear view mirror assembly RH (for RHD)

WIRING DIAGRAM


  1. for LHD

    B007Y4WE08

  2. for RHD

    B007Y4WE09

CAUTION / NOTICE / HINT

Note


  • When "!" mark is displayed on the multi-display assembly*1 or accessory meter assembly*2 after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.

    Click here


    • *1: for 8 Inch Display

    • *2: for 12.3 Inch Display

  • 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
      DTC C1686 is 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 J72 parking assist ECU connector.

    2. Disconnect the N1 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
      J72-12 (LCB+) - N1-2 (SCB+) Always Below 1 Ω
      J72-10 (LCV+) - N1-7 (SCV+) Always Below 1 Ω
      J72-11 (LCV-) - N1-6 (SCV-) Always Below 1 Ω
      J72-24 (LGND) - N1-1 (SGND) Always Below 1 Ω
      J72-23 (SGND) - Body ground Always Below 1 Ω
      J72-12 (LCB+) or N1-2 (SCB+) - Body ground Always 10 kΩ or higher
      J72-10 (LCV+) or N1-7 (SCV+) - Body ground Always 10 kΩ or higher
      J72-11 (LCV-) or N1-6 (SCV-) - Body ground Always 10 kΩ or higher
      J72-24 (LGND) or N1-1 (SGND) - 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 (LCV-, LGND)


    1. Disconnect the J72 parking assist ECU connector.

    2. B007Y5NC20
      *a

      Component without harness connected

      (Parking Assist ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      24 (LGND) - Body ground Always Below 1 Ω
      11 (LCV-) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

  4. CHECK PARKING ASSIST ECU (LCB+, LGND)


    1. B007WPFC44
      *a

      Component with 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
      J72-24 (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
      J72-12 (LCB+) - J72-24 (LGND) Engine switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

  5. CHECK SIDE TELEVISION CAMERA ASSEMBLY LH (LCV+, LGND)


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

    2. Using an oscilloscope, check the waveform of the side television camera assembly LH.

      Tech Tips

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

      B007ZWJC41
      *a

      Component with harness connected

      (Parking Assist ECU)

      		 *b Waveform 1 (camera lens not covered, displaying an image)
      *c Waveform 2 (camera lens covered, blacking out the screen) *d Synchronization Signal
      *e Video Waveform - -

      Tech Tips


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

      • The video waveform is constantly output when the engine switch is on (ACC).

      Measurement Condition
      Item Content
      Tester Connection J72-10 (LCV+) - J72-24 (LGND)
      Tool Setting 200 mV/DIV., 50 μsec./DIV.
      Condition Engine switch on (IG), panoramic view monitor switch on
      OK
      Waveform is similar to that shown in illustration.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE PARKING ASSIST ECU Click here

    NG

  6. CHECK TELEVISION CAMERA ASSEMBLY SIDE LH


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

      Click here

      Result
      Proceed to
      NEXT

    NEXT

  7. 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
      DTC C1686 is 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

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


    1. Disconnect the J72 parking assist ECU connector.

    2. Disconnect the M1 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
      J72-6 (RCB+) - M1-2 (DCB+) Always Below 1 Ω
      J72-4 (RCV+) - M1-7 (DCV+) Always Below 1 Ω
      J72-5 (RCV-) - M1-6 (DCV-) Always Below 1 Ω
      J72-18 (RGND) - M1-1 (DGND) Always Below 1 Ω
      J72-16 (SGND) - Body ground Always Below 1 Ω
      J72-6 (RCB+) or M1-2 (DCB+) - Body ground Always 10 kΩ or higher
      J72-4 (RCV+) or M1-7 (DCV+) - Body ground Always 10 kΩ or higher
      J72-5 (RCV-) or M1-6 (DCV-) - Body ground Always 10 kΩ or higher
      J72-18 (RGND) or M1-1 (DGND) - Body ground Always 10 kΩ or higher
      Result
      Proceed to
      OK
      NG

    NG

    REPAIR OR REPLACE HARNESS OR CONNECTOR

    OK

  9. CHECK PARKING ASSIST ECU (RCV-, RGND)


    1. Disconnect the J72 parking assist ECU connector.

    2. B007Y5NC21
      *a

      Component without harness connected

      (Parking Assist ECU)

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

      Standard Resistance
      Tester Connection Condition Specified Condition
      18 (RGND) - Body ground Always Below 1 Ω
      5 (RCV-) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

  10. CHECK PARKING ASSIST ECU (RCB+, RGND)


    1. B007WPFC45
      *a

      Component with 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
      J72-18 (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
      J72-6 (RCB+) - J72-18 (RGND) Engine switch on (ACC) 5.5 to 7.05 V
      Result
      Proceed to
      OK
      NG

    NG

    REPLACE PARKING ASSIST ECU Click here

    OK

  11. CHECK SIDE TELEVISION CAMERA ASSEMBLY RH (RCV+, RGND)


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

    2. Using an oscilloscope, check the waveform of the side television camera assembly RH.

      Tech Tips

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

      B007ZWJC42
      *a

      Component with harness connected

      (Parking Assist ECU)

      		 *b Waveform 1 (camera lens not covered, displaying an image)
      *c Waveform 2 (camera lens covered, blacking out the screen) *d Synchronization Signal
      *e Video Waveform - -

      Tech Tips


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

      • The video waveform is constantly output when the engine switch is on (ACC).

      Measurement Condition
      Item Content
      Tester Connection J72-4 (RCV+) - J72-18 (RGND)
      Tool Setting 200 mV/DIV., 50 μsec./DIV.
      Condition Engine switch on (IG), panoramic view monitor switch on
      OK
      Waveform is similar to that shown in illustration.
      Result
      Proceed to
      OK
      NG

    OK

    REPLACE PARKING ASSIST ECU Click here

    NG

  12. 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

  13. 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
      DTC C1686 is 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