Last Modified: 11-20-2023 6.11:8.1.0 Doc ID: RM100000001T5GW
Model Year Start: 2021 Model: Camry HV Prod Date Range: [10/2020 -           ]
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: C1AE796; Ultrasonic Sensor (Rear Left Center) Component Internal Failure; 2021 - 2024 MY Camry HV [10/2020 -        ]

DTC

C1AE796

Ultrasonic Sensor (Rear Left Center) Component Internal Failure

DESCRIPTION

The rear center ultrasonic sensor LH is installed to the rear bumper. The clearance warning ECU assembly detects obstacles based on signals received from the rear center ultrasonic sensor LH. If the rear center ultrasonic sensor LH has an open circuit or other malfunction, it will not function normally.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1AE796

Ultrasonic Sensor (Rear Left Center) Component Internal Failure

Rear center ultrasonic sensor LH malfunction
  • Rear center ultrasonic sensor LH
  • 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 2021 - 2024 MY Camry HV [10/2020 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: CALIBRATION

  • 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.

    Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: DTC CHECK / CLEAR

PROCEDURE

1.

CHECK FOR DTC

(a) According to the display on the GTS, check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

(b) According to the display on the GTS, clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

No DTC is output

A

"C1AE796" is output

B

"C1AE796" and "C1AE787" are output

C
A

USE SIMULATION METHOD TO CHECK 2021 MY Camry HV [10/2020 - 08/2021]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING 2022 - 2024 MY Camry HV [08/2021 -        ]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING

C

GO TO OTHER FLOWCHART (C1AE787)

B

2.

REPLACE REAR CENTER ULTRASONIC SENSOR LH

(a) Replace the rear center ultrasonic sensor LH with a new or normally functioning one.

Click here 2021 - 2024 MY Camry HV [10/2020 -        ]; PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL

HINT:

To check if the ultrasonic sensor is functioning correctly, replace it with another ultrasonic sensor.

NEXT

3.

CHECK FOR DTC

(a) According to the display on the GTS, check for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

(b) According to the display on the GTS, clear the DTCs.

Body Electrical > Clearance Warning > Clear DTCs

(c) Recheck for DTCs.

Body Electrical > Clearance Warning > Trouble Codes

Result

Proceed to

No DTC is output

A

"C1AE796" is output

B
A

END (REAR CENTER ULTRASONIC SENSOR LH WAS DEFECTIVE)
B

REPLACE CLEARANCE WARNING ECU ASSEMBLY