Toyota Avalon Service & Repair Manual: Steering Angle Sensor Failure (C1626)

Toyota Avalon Service & Repair Manual / Audio, Visual, Telematics / Park Assist / Monitoring / Panoramic View Monitor System(for Gasoline Model) / 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.
Parking Assist ECU

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C1626

Steering Angle Sensor Failure

A fail flag is transmitted from the steering angle sensor
  • Steering sensor
  • Parking assist ECU

Parking assist ECU
Television Camera Assembly

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

DTC Output from

C1626

Steering Angle Sensor Failure

A fail flag is transmitted from the steering angle sensor
  • Steering sensor
  • Television camera assembly

Television camera assembly

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.

    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

  • 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.

    Click here

PROCEDURE

1.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs Chassis > Parking Assist Camera > Clear DTCs

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

Chassis > Panoramic View Monitor > Trouble Codes Chassis > Parking Assist Camera > Trouble Codes

Result

Proceed to

DTC C1626 is output

A

DTC C1626 is not output

B
B

USE SIMULATION METHOD TO CHECK

A

2.

REPLACE STEERING SENSOR

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

Click here

NEXT

3.

CHECK FOR DTC

(a) Clear the DTCs.

Chassis > Panoramic View Monitor > Clear DTCs Chassis > Parking Assist Camera > Clear DTCs

(b) Check for DTCs.

Chassis > Panoramic View Monitor > Trouble Codes Chassis > Parking Assist Camera > Trouble Codes

Result

Proceed to

No DTCs are output

A

DTC C1626 is output ("Panoramic View Monitor")

B

DTC C1626 is output ("Parking Assist Camera")

C
A

END (STEERING SENSOR WAS DEFECTIVE)
B

REPLACE PARKING ASSIST ECU

C

REPLACE TELEVISION CAMERA ASSEMBLY

    Open or Short in Steering Angle Sensor +B (C1625)

    Front Camera Feedback Malfunction (C1681)

    See More:

    Toyota Avalon Service & Repair Manual > Power Steering System(for Hv Model): Problem Symptoms Table
    PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected ...

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