Caution / Notice / Hint

WARNING: This page is about a different variant/trim than selected.

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 PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed	Link
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	DTC is output	Refer to REGISTRATION [12/2019 - ]
Replacement of ECM	Update ECU security key	Vehicle Control History (RoB) are stored	Refer to UPDATE ECU SECURITY KEY [11/2023 - ]
Replacement of engine assembly Gas leak from exhaust system is repaired Replacement of throttle body with motor assembly Cleaning the deposits from the throttle body assembly Replacement of cam timing control motor with EDU assembly Removal and installation of a cam timing control motor with EDU assembly Replacement of camshaft timing gear assembly Removal and installation of a camshaft timing gear assembly Replacement of cylinder head sub-assembly Replacement of camshaft (for intake or exhaust camshaft) Replacement of camshaft timing exhaust gear assembly Replacement of port fuel injector assembly Replacement of direct fuel injector assembly Replacement of fuel pump assembly (for high pressure side) Replacement of engine coolant temperature sensor Replacement of spark plug Replacement of ignition coil assembly Replacement of EGR valve assembly Replacement of knock control sensor	Perform Inspection After Repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [10/2021 - ]
Replacement of inverter with converter assembly	Resolver learning	DTCs are stored Slight vibration at a vehicle speed of 5 km/h (3 mph) or less Shock or vibration during acceleration	Refer to UTILITY [11/2023 - ]
Replacement of hybrid vehicle transaxle assembly	Resolver learning Initialize resolver		Refer to UTILITY [11/2023 - ]
Replacement of front bumper assembly*1	Front television camera view adjustment	Panoramic View Monitor System	Refer to CALIBRATION [11/2023 - ]
Replacement or removal and installation of 2 or more parts: Front television camera assembly, radiator grille sub-assembly or front bumper assembly Rear television camera assembly Side television camera assembly LH or outer rear view mirror assembly LH Side television camera assembly RH or outer rear view mirror assembly RH	Television camera view adjustment	Panoramic View Monitor System	Refer to CALIBRATION [11/2023 - ]
Suspension, tires, etc.*2	Rear television camera assembly optical axis (Back camera position setting)	Parking Assist Monitor System	Refer to CALIBRATION [10/2022 - ]
	Parking assist ECU initialization	Panoramic View Monitor System	Refer to CALIBRATION [11/2023 - ]
	w/ AFS: Perform headlight ECU sub-assembly LH initialization	Lighting System (EXT) (w/ AFS)	Refer to INITIALIZATION [11/2023 - ]
Replacement of headlight ECU sub-assembly LH Replacement of headlight assembly LH*3	Synchronize the vehicle information Perform headlight ECU sub-assembly LH initialization	Lighting System (EXT) (w/ AFS)	Refer to INITIALIZATION [11/2023 - ]
Front wheel alignment adjustment	Perform "Calibration".	DTCs are stored ABS warning light illuminates Brake system warning light (yellow indicator) illuminates Slip indicator light illuminates VSC disabled or malfunctions	Refer to UTILITY [11/2023 - ]

*1: Even when not replacing the part, it is necessary to perform the specified necessary procedures after installation.

*2: If the vehicle height has changed due to suspension or tire replacement

*3: w/ AFS

HINT:

When the cable is disconnected / reconnected to the auxiliary battery terminal, systems temporarily stop operating. However, each system has a function that completes learning the first time the system is used.

LEARNING COMPLETES WHEN VEHICLE IS DRIVEN

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Lane Control System	Perform steering sensor zero point calibration	Refer to INITIALIZATION [12/2019 - ]
Pre-collision System
Lighting System (EXT) (w/ AFS)

LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
Power Door Lock Control System	Initialize back door lock	Refer to INITIALIZATION [11/2023 - ]
Power Back Door System	Reset back door close position	Refer to INITIALIZATION [11/2023 - ]
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-