Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Certification Ecu / Removal

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 certification ECU (smart key ECU assembly) removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
*1: When performing learning using the Techstream. Click here
Disconnect cable from negative battery terminal	Memorize steering angle neutral point	Lane Control System
		Pre-collision System
		Intelligent Clearance Sonar System*1
		Lighting system (w/ Automatic Headlight Beam Level Control System)
		Parking assist monitor system
		Panoramic view monitor system
	Initialize back door lock	Power door lock control system
	Reset back door close position	Power Back Door System (w/ Outside Door Control Switch)
Certification ECU (smart key ECU assembly)	Perform code registration (Immobiliser system)	Wireless door lock control system Smart access system with push-button start Engine start function Steering lock system Telematics system

PROCEDURE

1. PRECAUTION

NOTICE:

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

Click here

2. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL

NOTICE:

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

Click here

3. REMOVE LOWER NO. 1 INSTRUMENT PANEL FINISH PANEL

Click here

4. REMOVE INSTRUMENT PANEL GARNISH RH

Click here

5. REMOVE FRONT DOOR SCUFF PLATE RH

HINT:

Use the same procedure as for the LH side.

Click here

6. REMOVE COWL SIDE TRIM BOARD RH

HINT:

Use the same procedure as for the LH side.

Click here

7. REMOVE NO. 2 INSTRUMENT PANEL UNDER COVER SUB-ASSEMBLY

Click here

8. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY

Click here

9. REMOVE PARKING ASSIST ECU (w/ Panoramic View Monitor System)

Click here

10. REMOVE ECU INTEGRATION BOX RH

Click here

11. REMOVE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

(a) Using a screwdriver, disengage the 2 claws and remove the certification ECU (smart key ECU assembly) as shown in the illustration.

Remove in this Direction

Components

COMPONENTS ILLUSTRATION *A w/ Panoramic View Monitor System - - *1 COWL SIDE TRIM BOARD RH *2 ECU INTEGRATION BOX RH *3 FRONT DOOR SCUFF PLATE RH *4 GLOVE COMPARTMENT DOO ...

Installation

INSTALLATION CAUTION / NOTICE / HINT NOTICE: Before replacing the certification ECU (smart key ECU assembly), refer to Registration. Click here PROCEDURE 1. INSTALL CERTIFICATION ECU (SMART KEY EC ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Smart Access System With Push-button Start (for Entry Function): Precaution
PRECAUTION CAUTION REGARDING INTERFERENCE WITH ELECTRONIC DEVICES CAUTION: People with implantable cardiac pacemakers, cardiac resynchronization therapy-pacemakers or implantable cardioverter defibrillators should keep away from the smart access system antennas. The radio waves may affect the ope ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Rear Seat Side Airbag Assembly (for Captain Seat Type): On-vehicle Inspection
ON-VEHICLE INSPECTION CAUTION / NOTICE / HINT CAUTION: Be sure to correctly follow the removal and installation procedures for the rear seat airbag assemblies. PROCEDURE 1. INSPECT REAR SEAT AIRBAG ASSEMBLY (for Vehicle not Involved in Collision) (a) Perform a diagnostic system check. Click here ...

Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Removal

Components

Installation

Other materials:

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual