Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Front Camera Current Malfunction (C1682)

DESCRIPTION

DTC C1682 is stored if the parking assist ECU judges as a result of its self check that there is a problem with the current supplied from the front television camera assembly connected to the 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

(a) Disconnect the K36 parking assist ECU connector.

(b) Disconnect the B5 front television camera assembly connector.

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

Standard Resistance:

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

(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:

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

Standard Voltage:

OK

REPLACE FRONT TELEVISION CAMERA ASSEMBLY

NG

REPLACE PARKING ASSIST ECU