Caution / Notice / Hint

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during main body ECU (multiplex network body ECU)/installation are shown below.

NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED

Replacement Part or Procedure	Necessary Procedure	Effect/Inoperative when not Performed	Link
Disconnect cable from negative (-) auxiliary battery terminal	Perform steering sensor zero point calibration	Lane Control System	Refer to INITIALIZATION [10/2018 - 07/2022]
		Parking Support Brake System*1
		Pre-collision System
		Lighting System (EXT)	Refer to INITIALIZATION [10/2018 - 10/2020] , or refer to INITIALIZATION [10/2020 - ]
	Memorize steering angle neutral point	Parking Assist Monitor System	Refer to INITIALIZATION [10/2018 - 07/2022]
	Initialize back door lock	Power Door Lock Control System	Refer to INITIALIZATION [10/2018 - ]
	Reset back door close position	Power Back Door System	Refer to INITIALIZATION [10/2018 - 07/2022]
Main body ECU (Multiplex network body ECU)	Code registration (Smart Access System with Push-button Start)	Wireless Door Lock Control System Smart Access System with Push-button Start (for Entry Function) Smart Access System with Push-button Start (for Start Function) Steering lock function	for HV Model: Refer to REGISTRATION [10/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 07/2022] for Gasoline Model Refer to REGISTRATION [10/2018 - 10/2019] , or refer to REGISTRATION [10/2019 - 07/2022]

*1: When performing learning using the Techstream.

NOTE:

After the ignition switch off, the radio 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.