THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL; 2019 MY RAV4 RAV4 HV [02/2019

Last Modified: 01-30-2024	6.11:8.1.0	Doc ID: RM1000000021ZP1
Model Year Start: 2019	Model: RAV4	Prod Date Range: [02/2019 - 10/2019]
Title: THEFT DETERRENT / KEYLESS ENTRY: TRANSPONDER KEY ECU: REMOVAL; 2019 MY RAV4 RAV4 HV [02/2019 - 10/2019]

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed, installed or replaced during the transponder key ECU (Immobiliser code ECU) removal/installation are shown below.

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

Replacement Part or 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
Steering sensor (Including removal and installation)	Steering angle setting	Parking assist monitor system
	Adjust steering angle	Panoramic view monitor system (for HV model)
	Steering angle neutral point	Parking assist monitor system
		Parking support brake system (for HV model)
		Panoramic view monitor system (for HV model)
Transponder key ECU assembly	Code registration	Engine start function

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 Procedure After Parts Removed/Installed/Replaced (for Gasoline Model)

Replacement Part or 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
Steering sensor (Including removal and installation)	Steering angle setting	Parking assist monitor system
	Adjust steering angle	Panoramic view monitor system (for Gasoline model)
	Steering angle neutral point	Parking assist monitor system
		Parking support brake system (for Gasoline model)
		Panoramic view monitor system (for Gasoline model)
Transponder key ECU assembly	Code registration	Engine start function

NOTICE:

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

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

PROCEDURE

1. PRECAUTION

CAUTION:

Be sure to read precaution thoroughly before servicing.

Click here

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. DISCONNECT CABLE FROM NEGATIVE AUXILIARY BATTERY TERMINAL

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

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

Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.
If the airbag deploys for any reason, it may cause a serious accident.

NOTICE:

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

Click here

3. REMOVE INSTRUMENT PANEL REINFORCEMENT ASSEMBLY WITH AIR CONDITIONING UNIT ASSEMBLY

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

4. REMOVE TRANSPONDER KEY ECU (IMMOBILISER CODE ECU)

NOTICE:

Do not reuse dropped or damaged parts.

	Remove in this Direction (1)
	Remove in this Direction (2)

(a) Detach the claw in the direction (1) indicated by the arrow shown in the illustration.

(b) Detach the guide in the direction (2) indicated by the arrow shown in the illustration and remove the transponder key ECU (immobiliser code ECU).