Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Over Current Detected in Driver Side Camera (C1687)

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Panoramic View Monitor System / Over Current Detected in Driver Side Camera (C1687)

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

C1687

Over Current Detected in Driver Side Camera

Side camera current malfunction
  • Harness or connector
  • Parking assist ECU
  • Outer rear view mirror assembly LH
    • Side television camera assembly LH
    • Outer mirror retractor LH*
  • *: w/ Power Retract Mirror

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

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

    Click here

  • 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

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes

OK:

DTC C1687 is not output.

OK

USE SIMULATION METHOD TO CHECK

NG

2.

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

(a) Disconnect the J158 parking assist ECU connector.

(b) Disconnect the N1 outer rear view mirror assembly LH connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J158-12 (LCB+) - N1-2 (LCB+)

Always

Below 1 Ω

J158-35 (LGND) - N1-1 (LGND)

Always

Below 1 Ω

J158-12 (LCB+) or N1-2 (LCB+) - Body ground

Always

10 kΩ or higher

J158-35 (LGND) or N1-1 (LGND) - Body ground

Always

10 kΩ or higher
NG

REPAIR OR REPLACE HARNESS OR CONNECTOR
OK

3.

CHECK PARKING ASSIST ECU (LCB+, LGND)

(a) Connect the J158 parking assist ECU connector.

*a

Component with harness connected

(Parking Assist ECU)

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

J158-35 (LGND) - Body ground

Always

Below 1 Ω

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

Standard Voltage:

Tester Connection

Switch Condition

Specified Condition

J158-12 (LCB+) - J158-35 (LGND)

Engine switch on (IG)

5.5 to 7.05 V
NG

REPLACE PARKING ASSIST ECU

OK

4.

REPLACE SIDE TELEVISION CAMERA ASSEMBLY LH

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

Click here

NEXT

5.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Circumference Monitoring Camera Control Module > Clear DTCs

(b) Check for DTCs.

Chassis > Circumference Monitoring Camera Control Module > Trouble Codes

OK:

DTC C1687 is not output.

Result

Proceed to

OK

A

NG (w/ Power Retract Mirror)

B

NG (w/o Power Retract Mirror)

C
A

END (SIDE TELEVISION CAMERA ASSEMBLY LH WAS DEFECTIVE)
B

REPLACE OUTER MIRROR RETRACTOR LH

C

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

    Driver Side Camera Video Sync Signal Malfunction (C1686)
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    DESCRIPTION This DTC is stored if the parking assist ECU judges as a result of its self check that the vehicle information received via CAN communication and the vehicle information stored in the park ...

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