PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL; 2021 MY RAV4 RAV4 HV [08/2020

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM100000001S0O5
Model Year Start: 2021	Model: RAV4	Prod Date Range: [08/2020 - 12/2021]
Title: PARK ASSIST / MONITORING: ULTRASONIC SENSOR (for Rear): REMOVAL; 2021 MY RAV4 RAV4 HV [08/2020 - 12/2021]

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 (for Rear) removal/installation are shown below.

Necessary Procedures After Parts Removed/Installed/Replaced (for HV Model)

Replaced Part or Performed Procedures	Necessary Procedures	Effect/Inoperative Function when Necessary Procedures are not Performed
*: When performing learning using the Techstream. Click here
Disconnect cable from negative (-) auxiliary battery terminal	Perform steering sensor zero point calibration	Lane control system
		Parking support brake system (for HV model)*
		Pre-collision system
		Lighting system (EXT)(w/ AFS)
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system (for HV model)
	Reset back door close position	Power back door system (for HV model)
	Back door lock initialization	Power door lock control system
Ultrasonic sensor	Ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intuitive parking assist system (for HV model with parking support brake system) Parking support brake system (for HV model)
Kick door control sensor	Reset connection history	There are cases where the connection history display differs from the vehicle condition

NOTICE:

After the ignition switch is turned off, the radio and display receiver assembly records various types of memory and settings. As a result, after turning the ignition switch off, be sure to wait for the time specified in the following table before disconnecting the cable from the negative (-) auxiliary battery terminal.

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name	See Procedure
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system	6 minutes
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system	1 minute

Necessary Procedures After Parts Removed/Installed/Replaced (for Gasoline Model)

Replaced Part or Performed Procedures	Necessary Procedures	Effect/Inoperative Function when Necessary Procedures are not Performed
*: When performing learning using the Techstream. Click here
Disconnect cable from negative (-) auxiliary battery terminal	Drive the vehicle until stop and start control is permitted (approximately 5 to 60 minutes)	Stop and start system
	Perform steering sensor zero point calibration	Lane control system
		Parking support brake system (for Gasoline model)*
		Pre-collision system
	Memorize steering angle neutral point	Parking assist monitor system
	Memorize steering angle neutral point	Panoramic view monitor system (for Gasoline model)
	Reset back door close position	Power back door system (for Gasoline model)
	Back door lock initialization	Power door lock control system
Ultrasonic sensor	Ultrasonic sensor detection angle Ultrasonic sensor detection angle registration	Intuitive parking assist system (for Gasoline model with parking support brake system) Parking support brake system (for Gasoline model)
Kick door control sensor	Reset connection history	There are cases where the connection history display differs from the vehicle condition

NOTICE:

Waiting Time before Disconnecting Cable from Negative (-) Auxiliary Battery Terminal

System Name	See Procedure
Vehicle enrolled in Toyota Audio Multimedia system or safety connect system	6 minutes
Vehicle not enrolled in Toyota Audio Multimedia system and safety connect system	1 minute

PROCEDURE

1. PRECAUTION (w/ Hands Free Power Back Door)

NOTICE:

After turning the ignition switch off, waiting time may be required before disconnecting the cable from the negative (-) auxiliary battery terminal. Therefore, make sure to read the disconnecting the cable from the negative (-) auxiliary battery terminal notices before proceeding with work.

Click here

2. REMOVE DECK BOARD ASSEMBLY (for HV Model, w/ Hands Free Power Back Door)

Click here

3. REMOVE REAR NO. 2 FLOOR BOARD (for HV Model, w/ Hands Free Power Back Door)

Click here

4. REMOVE BATTERY HOLE COVER (for HV Model, w/ Hands Free Power Back Door)

Click here

5. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL (w/ Hands Free Power Back Door)

(a) Disconnect the cable from the negative (-) auxiliary battery terminal.

for A25A-FKS:
Click here
for A25A-FXS:
Click here

NOTICE:

When disconnecting the cable, some systems need to be initialized after the cable is reconnected.

Click here

6. REMOVE REAR BUMPER ASSEMBLY

Click here

7. REMOVE REAR CORNER ULTRASONIC SENSOR

HINT:

Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.

(a) Disconnect the connector.

(b) Detach the claw and remove the rear corner ultrasonic sensor.

NOTICE:

Before removing the sensor, make sure to mark the sensor and rear bumper assembly so that each sensor can be returned to its original position.

Remove in this Direction

8. REMOVE REAR CENTER ULTRASONIC SENSOR

HINT:

Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.

(a) Disconnect the connector.

(b) Detach the claw and remove the rear center ultrasonic sensor.

NOTICE:

Before removing the sensor, make sure to mark the sensor and rear bumper assembly so that each sensor can be returned to its original position.

Remove in this Direction

9. REMOVE REAR CORNER ULTRASONIC SENSOR RETAINER

HINT:

Perform the following procedure only when replacement of a rear corner ultrasonic sensor retainer is necessary.
When removing the rear corner ultrasonic sensor retainer, if the double-sided tape is difficult to remove, heat the adhesive of the rear corner ultrasonic sensor retainer and rear bumper assembly using a heat light.

(a) Heat the rear bumper assembly and rear corner ultrasonic sensor retainer using a heat light.

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

Standard:

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)

(b) Remove the rear corner ultrasonic sensor retainer.

for LH Side

for RH Side

10. REMOVE REAR CENTER ULTRASONIC SENSOR RETAINER

HINT:

Perform the following procedure only when replacement of a rear center ultrasonic sensor retainer is necessary.
When removing the rear center ultrasonic sensor retainer, if the double-sided tape is difficult to remove, heat the adhesive of the rear center ultrasonic sensor retainer and rear bumper assembly using a heat light.
Use the same procedure for the RH and LH sides.
The procedure listed below is for the LH side.

(a) Heat the rear bumper assembly and rear center ultrasonic sensor retainer using a heat light.

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

Standard:

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)

(b) Remove the rear center ultrasonic sensor retainer.

11. 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