Toyota Avalon Service & Repair Manual: Wheel Speed Sensor Malfunction (C164D)

DESCRIPTION

• This DTC is stored when the parking assist ECU receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the electronically controlled brake system via CAN communication.
• This DTC is stored when the television camera assembly receives a wheel speed sensor (front speed sensor RH or front speed sensor LH, rear speed sensor RH or rear speed sensor LH) abnormality signal from the electronically controlled brake system via CAN communication.

PROCEDURE

(a) Clear the DTCs.

(b) Check for DTCs.

HINT:

If the parking assist ECU cannot read the stored information when activated, allowing the ECU to store the information again may return the system to normal.

HINT:

• The DTC is stored when a malfunction occurs in the electronically controlled brake system.
• If troubleshooting and repair of the malfunction in the electronically controlled brake system have been completed, DTC C164D will not be output again when rechecking for DTCs.
• If DTC C164D is stored frequently, duplicate the problem symptoms and perform troubleshooting again even if the DTC is not output when rechecking for DTCs.

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A

USE SIMULATION METHOD TO CHECK

B

GO TO ELECTRONICALLY CONTROLLED BRAKE SYSTEM

C

REPLACE TELEVISION CAMERA ASSEMBLY