Last Modified: 01-30-2024 6.11:8.1.0 Doc ID: RM100000001HCGQ
Model Year Start: 2019 Model: RAV4 HV Prod Date Range: [02/2019 -           ]
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): C1AE196; Ultrasonic Sensor (Front Left Corner) Component Internal Failure; 2019 - 2024 MY RAV4 HV [02/2019 -        ]

DTC

C1AE196

Ultrasonic Sensor (Front Left Corner) Component Internal Failure

DESCRIPTION

The front corner ultrasonic sensor (FL 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 (FL sensor). If an open circuit or other malfunction occurs in the front corner ultrasonic sensor (FL sensor), the front corner ultrasonic sensor (FL sensor) does not operate correctly.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE196

Ultrasonic Sensor (Front Left Corner) Component Internal Failure

Front corner ultrasonic sensor (FL sensor) failure
  • Front corner ultrasonic sensor (FL 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 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): CALIBRATION

  • If a DTC is detected again after the repair, turn the power switch on (IG) and turn the intuitive parking assist system on, and then clear the DTC.

    Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Trouble Codes

(b) Clear the DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Clear DTCs

(c) Recheck for DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTCs is not output

A

Only DTC C1AE196 is output

B

DTC C1AE196 and C1AE187 are output

C
A

USE SIMULATION METHOD TO CHECK

C

GO TO DTC (C1AE187) 2019 - 2023 MY RAV4 HV [02/2019 - 10/2023]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): C1AE187; Ultrasonic Sensor (Front Left Corner) Missing Message 2024 MY RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): C1AE187; Ultrasonic Sensor (Front Left Corner) Missing Message

B

2.

REPLACE FRONT CORNER ULTRASONIC SENSOR (FL SENSOR)

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

Click here 2019 - 2020 MY RAV4 RAV4 HV [02/2019 - 08/2020]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL 2021 - 2023 MY RAV4 RAV4 HV [08/2020 - 10/2023]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL 2024 MY RAV4 RAV4 HV [10/2023 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Front): REMOVAL

HINT:

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

3.

CHECK FOR DTC

(a) Check for DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Trouble Codes

(b) Clear the DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Clear DTCs

(c) Recheck for DTCs.

Click here 2019 - 2024 MY RAV4 HV [02/2019 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM (for HV Model with Parking Support Brake System): DTC CHECK / CLEAR

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

DTC C1AE196 is not output

A

DTC C1AE196 is output

B
A

END (FRONT CORNER ULTRASONIC SENSOR [FL SENSOR] WAS DEFECTIVE)
B

REPLACE CLEARANCE WARNING ECU ASSEMBLY