Toyota Avalon (XX50) 2019-2022 Service & Repair Manual: Steering Angle Sensor Failure (C1626)

DESCRIPTION

• This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.
• This DTC is stored if the television camera assembly receives a signal via CAN communication from the steering sensor that indicates an internal malfunction.

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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• The vehicle is equipped with a Supplemental Restraint System (SRS) which includes components such as airbags. Before servicing (including removal or installation of parts), be sure to read the precaution for Supplemental Restraint System.

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PROCEDURE

(a) Clear the DTCs.

(b) Recheck for DTCs and check that no DTCs are output.

B

USE SIMULATION METHOD TO CHECK

A

(a) Replace the steering sensor with a normally functioning one.

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NEXT

(a) Clear the DTCs.

(b) Check for DTCs.

A

END (STEERING SENSOR WAS DEFECTIVE)

B

REPLACE PARKING ASSIST ECU

C

REPLACE TELEVISION CAMERA ASSEMBLY