Removal [08/2021 - ]: 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 port fuel injector assembly 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
Auxiliary battery terminal is disconnected/reconnected	Perform steering sensor zero point calibration	Lane Tracing Assist System	Refer to INITIALIZATION [08/2021 - ]
		Pre-collision System
		Intelligent Clearance Sonar System*
		Lighting System (for HV Model with Cornering Light)
	Memorize steering angle neutral point	Parking Assist Monitor System	Refer to INITIALIZATION [04/2018 - ]
	Memorize steering angle neutral point	Panoramic View Monitor System	Refer to INITIALIZATION [04/2018 - ]
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 [08/2020 - ]
Replacement of ECM	Perform Vehicle Identification Number (VIN) registration	MIL illuminates	Refer to REGISTRATION [04/2018 - ]
Replacement of port fuel injector assembly Replacement of throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Replacement of EGR valve assembly Gas leak from exhaust system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [08/2021 - ]

*: When performing learning using the Techstream.

WARNING:

Never perform work on fuel system components near any possible ignition sources.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Vaporized fuel could ignite, resulting in a serious accident.

Do not perform work on fuel system components without first disconnecting the cable from the negative (-) auxiliary battery terminal.

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Sparks could cause vaporized fuel to ignite, resulting in a serious accident.

To prevent serious injury due to fuel spray from the high-pressure fuel lines, always discharge fuel system pressure before removing any fuel system components.

NOTE:

This procedure includes the removal of small-head bolts. Refer to Small-Head Bolts of Basic Repair Hint to identify the small-head bolts.

Refer to PRECAUTION [04/2018 - ]