Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM1000000014XZZ
Model Year Start: 2018 Model: Camry Prod Date Range: [06/2017 - 10/2020]
Title: PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: C1686; Driver Side Camera Video Sync Signal Malfunction; 2018 - 2020 MY Camry [06/2017 - 10/2020]

DTC

C1686

Driver Side Camera Video Sync Signal Malfunction

DESCRIPTION

This DTC is stored if the television camera controller 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 television camera controller.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C1686

Driver Side Camera Video Sync Signal Malfunction

Side camera feedback malfunction

  • Harness or connector
  • Television camera controller
  • Side television camera assembly LH
  • Outer rear view mirror assembly with cover LH

Television camera controller

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) battery terminal, correct the steering angle neutral point.
  • 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 2018 - 2020 MY Camry [06/2017 - 10/2020]; PARK ASSIST / MONITORING: PANORAMIC VIEW MONITOR SYSTEM: CALIBRATION

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs

(b) Check for DTCs.

Chassis > Panoramic View Monitor > Trouble Codes

OK:

DTC C1686 is not output.

OK

USE SIMULATION METHOD TO CHECK 2018 MY Camry [06/2017 - 08/2018]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2019 MY Camry [08/2018 - 09/2019]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry [09/2019 - 03/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2020 MY Camry [03/2020 - 10/2020]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

NG

2.

CHECK HARNESS AND CONNECTOR (TELEVISION CAMERA CONTROLLER - OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER LH)

(a) Disconnect the R42 television camera controller connector.

(b) Disconnect the O21 outer rear view mirror assembly with cover LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R42-12 (LCB+) - O21-3 (LCB+)

Always

Below 1 Ω

R42-10 (LCV+) - O21-4 (LCV+)

Always

Below 1 Ω

R42-11 (LCV-) - O21-12 (LCV-)

Always

Below 1 Ω

R42-24 (LGND) - O21-11 (LGND)

Always

Below 1 Ω

R42-23 (SGND) - O21-2(SGND)

Always

Below 1 Ω

R42-12 (LCB+) or O21-3 (LCB+) - Body ground

Always

10 kΩ or higher

R42-10 (LCV+) or O21-4 (LCV+) - Body ground

Always

10 kΩ or higher

R42-11 (LCV-) or O21-12 (LCV-) - Body ground

Always

10 kΩ or higher

R42-24 (LGND) or O21-11 (LGND) - Body ground

Always

10 kΩ or higher

R42-23 (SGND) or O21-2(SGND) - Body ground

Always

10 kΩ or higher

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

3.

CHECK TELEVISION CAMERA CONTROLLER (LCV-, LGND)

(a) Disconnect the R42 television camera controller connector.

(b) 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

*a

Component without harness connected

(Television Camera Controller)

NG

REPLACE TELEVISION CAMERA CONTROLLER

OK

4.

CHECK TELEVISION CAMERA CONTROLLER (LCB+, LGND)

(a) Remove the television camera controller with the connector still connected.

*a

Component with harness connected

(Television Camera Controller)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

R42-24 (LGND) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Condition

Specified Condition

R42-12 (LCB+) - R42-24 (LGND)

Engine switch on (ACC)

5.5 to 7.05 V

NG

REPLACE TELEVISION CAMERA CONTROLLER

OK

5.

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

(a) Remove the television camera controller with the connector still connected.

(b) Using an oscilloscope, check the waveform of the side television camera assembly LH.

HINT:

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

*a

Component with harness connected

(Television Camera Controller)

*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

-

-

HINT:

  • 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

R42-10 (LCV+) - R42-24 (LGND)

Tool Setting

200 mV/DIV., 50 μsec./DIV.

Condition

Engine switch on (IG), panoramic view monitor system operating

OK:

Waveform is similar to that shown in illustration.

OK

REPLACE TELEVISION CAMERA CONTROLLER

NG

6.

CHECK SIDE TELEVISION CAMERA ASSEMBLY LH

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

Click here 2018 - 2020 MY Camry [06/2017 - 10/2020]; PARK ASSIST / MONITORING: TELEVISION CAMERA (for Side): REMOVAL

NEXT

7.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs

(b) Check for DTCs.

Chassis > Panoramic View Monitor > Trouble Codes

OK:

DTC C1686 is not output.

OK

END (SIDE TELEVISION CAMERA ASSEMBLY LH IS DEFECTIVE)

NG

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY WITH COVER LH 2018 - 2019 MY Camry [06/2017 - 09/2019]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL 2020 MY Camry [09/2019 - 10/2020]; MIRROR (EXT): OUTER REAR VIEW MIRROR: REMOVAL