Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Ultrasonic Sensor (Front Right Corner) Component Internal Failure (C1AE496)

Toyota Corolla Cross (2022-2024) Service Manual / Audio & Visual & Telematics / Park Assist / Monitoring / Intuitive Parking Assist System / Ultrasonic Sensor (Front Right Corner) Component Internal Failure (C1AE496)

DESCRIPTION

The front corner ultrasonic sensor (FR sensor) is installed on the front bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the front corner ultrasonic sensor (FR sensor). If an open circuit or other malfunction occurs in the front corner ultrasonic sensor (FR sensor), the front corner ultrasonic sensor (FR sensor) does not operate correctly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE496

Ultrasonic Sensor (Front Right Corner) Component Internal Failure

Front corner ultrasonic sensor (FR sensor) failure

  • Front corner ultrasonic sensor (FR sensor)
  • Clearance warning ECU assembly

CAUTION / NOTICE / HINT

NOTICE:

  • Perform registration after replacing or removing and installing the ultrasonic sensor or clearance warning ECU assembly.

    Click here

  • If a DTC is detected again after the repair, turn the ignition switch to ON and turn the intuitive parking assist system on, and then clear the DTC.

PROCEDURE

1.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs
NEXT

2.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTCs are not output

A

C1AE496 and C1AE487 are output

B

C1AE496 is output

C

None of the above conditions are met

D

A

USE SIMULATION METHOD TO CHECK

B

GO TO DTC (C1AE487)

D

GO TO DTC CHART

C

3.

REPLACE FRONT CORNER ULTRASONIC SENSOR (FR SENSOR)

(a) Replace the front corner ultrasonic sensor (FR sensor) with a known good one.

HINT:

  • Click here
  • All of the sensors are interchangeable. To confirm whether a sensor is functioning normally, switch it with a known good sensor from the other end of the vehicle.
NEXT

4.

CLEAR DTC

(a) Clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs
NEXT

5.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTCs are not output

A

C1AE496 is output

B

None of the above conditions are met

C

A

END (FRONT CORNER ULTRASONIC SENSOR [FR SENSOR] WAS DEFECTIVE)

B

REPLACE CLEARANCE WARNING ECU ASSEMBLY

C

GO TO DTC CHART

    READ NEXT:

     Ultrasonic Sensor (Rear Left Corner) Missing Message (C1AE687)

    DESCRIPTION This DTC is output when an open circuit or short occurs in the communication line between a rear corner ultrasonic sensor (RL sensor) and the clearance warning ECU assembly, or when a

     Ultrasonic Sensor (Rear Left Corner) Component Internal Failure (C1AE696)

    DESCRIPTION The rear corner ultrasonic sensor (RL sensor) is installed on the rear bumper. The clearance warning ECU assembly detects obstacles based on signals it receives from the rear corner u

     Ultrasonic Sensor (Rear Left Center) Missing Message (C1AE787)

    DESCRIPTION This DTC is output when an open circuit or short occurs in the communication line between a rear center ultrasonic sensor (RLC sensor) and the rear corner ultrasonic sensor (RL sensor

    SEE MORE:

     Engine Immobiliser System Signal (Some Circuit Quantity, Reported via Serial Data) Invalid (B279986)

    DESCRIPTION If there is a communication malfunction between the hybrid vehicle control ECU and ID code box (immobiliser code ECU), or when the communication ID codes do not match, the hybrid vehicle control ECU stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Ar

     Precaution

    PRECAUTION NOTICE: When disassembling the headlight assembly, use static electricity countermeasures SST (desktop anti-static mat set) and observe all precautions to prevent damage to the system by electrostatic discharge (ESD). STATIC ELECTRICITY COUNTERMEASURES SST SST: Desktop anti-static mat se

    © 2020-2024 Copyright www.tcorollacross.com