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 motor generator control ECU kit removal/installation are shown below.

NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary Procedures	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Disconnect cable from negative auxiliary battery terminal	Perform steering sensor zero point calibration	Lane Control System	Refer to INITIALIZATION [07/2022 - ]
		Parking Support Brake System*1
		Pre-collision System
		Lighting System (EXT)
	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 [07/2022 - ]

*: When performing learning using the Techstream.

WARNING:

Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the service information.

Fig 1: Charging System Precaution
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Refer to PRECAUTION [10/2018 - ]
To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.

Fig 2: Wear Insulated Gloves
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

NOTE:

If metal shavings are created when bolts are removed from the inverter with converter assembly, remove them using tape or equivalent.
Use non-residue type tape.

Fig 3: Remove Metal Shavings Using Tape Or Equivalent