Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Over Current Detected in Driver Side Camera (C1687)

Toyota Avalon (XX50) 2019-2022 Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Panoramic View Monitor System(for Hv Model) / 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	DTC Output from
C1687	Over Current Detected in Driver Side Camera	Side camera current malfunction	Harness or connector Parking assist ECU Side television camera assembly LH Outer rear view mirror assembly LH	Parking assist ECU

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

When "!" is displayed on the radio and display receiver assembly after the cable is disconnected from the negative (-) auxiliary battery terminal, correct the steering angle neutral point.
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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.
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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 C1687 is not output.

USE SIMULATION METHOD TO CHECK

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

(a) Disconnect the K36 parking assist ECU connector.

(b) Disconnect the I29 outer rear view mirror assembly LH connector.

Standard Resistance:

Tester Connection	Condition	Specified Condition
K36-12 (LCB+) - I29-14 (LCB+)	Always	Below 1 Ω
K36-24 (LGND) - I29-17 (LGND)	Always	Below 1 Ω
K36-12 (LCB+) or I29-14 (LCB+) - Body ground	Always	10 kΩ or higher
K36-24 (LGND) or I29-17 (LGND) - Body ground	Always	10 kΩ or higher

REPAIR OR REPLACE HARNESS OR CONNECTOR

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

(a) Remove the parking assist ECU with the connector still connected.

*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
K36-24 (LGND) - Body ground	Always	Below 1 Ω

Standard Voltage:

Tester Connection	Condition	Specified Condition
K36-12 (LCB+) - K36-24 (LGND)	Power switch on (ACC)	5.5 to 7.05 V

REPLACE PARKING ASSIST ECU

4.	REPLACE SIDE TELEVISION CAMERA ASSEMBLY LH

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

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5.	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 C1687 is not output.

END (SIDE TELEVISION CAMERA ASSEMBLY LH IS DEFECTIVE)

REPLACE OUTER REAR VIEW MIRROR ASSEMBLY LH

Driver Side Camera Video Sync Signal Malfunction (C1686)

Back Camera Initialization Incomplete (C1691)

See More:

Toyota Avalon (XX50) 2019-2022 Owners Manual > Interior features: Other interior features
Other interior features Sun visors To set the visor in the forward position, flip it down. To set the visor in the side position, flip down, unhook, and swing it to the side. To use the side extender, place the visor in the side position, then slide it backward. Vanity mirrors Open the cover to use. ...