PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear Side): REMOVAL; 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023

Last Modified: 05-13-2024	6.11:8.1.0	Doc ID: RM100000002D8B4
Model Year Start: 2024	Model: GR Corolla	Prod Date Range: [08/2023 - ]
Title: PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear Side): REMOVAL; 2024 - 2025 MY Corolla Corolla Hatchback Corolla HV GR Corolla [08/2023 - ]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed and installed, or replaced during ultrasonic sensor removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function When Necessary Procedures are not Performed	Link
Ultrasonic sensor	Initialization of ultrasonic sensors	Intuitive Parking Assist System

PROCEDURE

1. REMOVE REAR BUMPER ASSEMBLY

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2. REMOVE REAR CENTER ULTRASONIC SENSOR

HINT:

The illustration is for the LH side. Use the same procedure for the RH side and LH side.

(a) Disconnect the connector.

(b) Disengage the 2 claws and remove the rear center ultrasonic sensor as shown in the illustration.

Remove in this Direction

3. REMOVE REAR CORNER ULTRASONIC SENSOR

HINT:

The illustration is for the LH side. The orientation for the RH side is the opposite of the LH side.

(a) Disconnect the connector.

Remove in this Direction

(b) Disengage the 4 claws as shown in the illustration.

Remove in this Direction

4. REMOVE ULTRASONIC SENSOR CLIP

HINT:

Perform this procedure only when replacement of the ultrasonic sensor clip is necessary.
Use the same procedure for all ultrasonic sensor clips.

(a) Disengage the clamp to remove the ultrasonic sensor clip from the wire.

5. REMOVE REAR CENTER ULTRASONIC SENSOR RETAINER

HINT:

Perform this procedure only when replacement of the rear center ultrasonic sensor retainer is necessary.
When removing the rear center ultrasonic sensor retainer, heat the rear bumper assembly and rear center ultrasonic sensor retainer using a heat light.
The illustration is for the LH side. Use the same procedure for the RH side and LH side.

(a) Heat the rear bumper assembly and rear center ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

Heating Temperature:

Item	Temperature
Rear Bumper Assembly	40 to 60°C (104 to 140°F)
Rear Center Ultrasonic Sensor Retainer	40 to 60°C (104 to 140°F)

CAUTION:

Do not touch the heat light and heated parts.
Touching the heat light may result in burns.
Touching heated parts for a long time may result in burns.

*a	Heated Part
*b	Heat Light

(b) Remove the rear center ultrasonic sensor retainer.

6. REMOVE REAR CORNER ULTRASONIC SENSOR RETAINER

HINT:

Perform this procedure only when replacement of the rear corner ultrasonic sensor retainer is necessary.
When removing the rear corner ultrasonic sensor retainer, heat the rear bumper assembly and rear corner ultrasonic sensor retainer using a heat light.
The illustration is for the LH side. Use the same procedure for the RH side and LH side.

(a) Heat the rear bumper assembly and rear corner ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

Heating Temperature:

Item	Temperature
Rear Bumper Assembly	40 to 60°C (104 to 140°F)
Rear Corner Ultrasonic Sensor Retainer	40 to 60°C (104 to 140°F)

CAUTION:

Do not touch the heat light and heated parts.
Touching the heat light may result in burns.
Touching heated parts for a long time may result in burns.

*a	Heated Part
*b	Heat Light

(b) Remove the rear corner ultrasonic sensor retainer.

7. REMOVE ULTRASONIC SENSOR CUSHION SET

HINT:

Only perform this procedure when removing and installing the ultrasonic sensor cushion set.

(a) Remove the ultrasonic sensor cushion set as shown in the illustration.

Remove in this Direction