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 engine unit 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	Link
Throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Cam timing control motor with EDU assembly Camshaft timing gear assembly Engine assembly Cylinder head sub-assembly Camshaft (for intake or exhaust camshaft) Camshaft timing exhaust gear assembly Mass air flow meter sub-assembly Port fuel injector assembly Direct fuel injector assembly Fuel pump (for low pressure side) Fuel pump assembly (for high pressure side) Fuel pressure sensor (for low pressure side) Fuel pressure sensor (for high pressure side) Air fuel ratio sensor (sensor 1) Air fuel ratio sensor (sensor 2) Engine coolant temperature sensor Spark plug Ignition coil assembly EGR valve assembly Air leaks from intake system Gas leaks from exhaust system Knock control sensor	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [10/2018 - 08/2021] , or refer to INITIALIZATION [08/2021 - ]