Caution / Notice / Hint

WARNING: This page is about a different car, the 2025 Lexus NX 350, 2024 Lexus NX 350, 2023 Lexus NX 350, and 2022 Lexus NX 350. 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 starter 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
Air intake system parts	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [11/2021 - ]
Replacement of starter assembly*1	Clear the number of starter operations	Stop and Start System	Refer to REGISTRATION [11/2021 - ]

*1: When the starter assembly is replaced, "ST No. 1 relay" must be also replaced.

NOTE:

To prevent the key from being locked in the vehicle, make sure to enter e-latch inspection mode and enable the manual release handle before disconnecting the cable from the negative (-) battery terminal.
Refer to INSPECTION MODE PROCEDURE [11/2021 - ]
When the starter assembly is replaced, "ST No. 1 relay" must also be replaced.

HINT:

When the cable is disconnected / reconnected to the 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
Lighting System (EXT)	Drive the vehicle straight ahead at 15 km/h (10 mph) or more for 1 second or more.	Refer to INITIALIZATION [11/2021 - ]
Front Camera System
Adaptive High Beam System
Stop and Start System	Idle the engine for approximately 5 to 60 minutes or drive the vehicle until stop and start control is permitted	Refer to PRECAUTION [11/2021 - 03/2023] , or refer to PRECAUTION [03/2023 - 03/2024] , or refer to PRECAUTION [03/2024 - ]

LEARNING COMPLETES WHEN VEHICLE IS OPERATED NORMALLY

Effect/Inoperative Function when Necessary Procedure not Performed	Necessary Procedure	Link
E-latch System Back door opener	Perform door unlock operation with door control switch or electrical key transmitter sub-assembly switch.	Refer to INITIALIZATION [11/2021 - ]
Power Back Door System	Reset back door close position	Refer to INITIALIZATION [11/2021 - ]
Air Conditioning System	After the ignition switch is turned to ON, the servo motor standard position is recognized.	-

COMPONENTS (REMOVAL)

Fig 1: Starter Removal Components (1 Of 3)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Callout - Procedure		Part Name Code
1	PRECAUTION	-	See step 1	-	-
2	NEGATIVE BATTERY TERMINAL	-	-	-	-
3	FRONT FENDER FRONT SPLASH SHIELD LH	53896B	-	-	-
4	FRONT FENDER FRONT SPLASH SHIELD RH	53895B	-	-	-
5	NO. 1 ENGINE UNDER COVER	51441	-	-	-
6	NO. 2 ENGINE UNDER COVER ASSEMBLY	51420	-	-	-
7	DRAIN COOLANT (for Intercooler)	-	-	See step 7	-
8	DRAIN ENGINE COOLANT	-	-	See step 8	-

Fig 2: Starter Removal Components (2 Of 3)

Callout - Procedure		Part Name Code
9	RADIATOR UPPER AIR GUIDE PLATE	16681A	-	-	-
10	INLET AIR CLEANER ASSEMBLY	17750A	-	-	-
11	AIR CLEANER ASSEMBLY	17700	-	-	-

Fig 3: Starter Removal Components (3 Of 3)

Callout - Procedure		Part Name Code
12	NO. 2 VENTILATION HOSE	12262	-	-	-
13	AIR CLEANER HOSE ASSEMBLY	17880	-	-	-
14	INTAKE MANIFOLD WITH INTERCOOLER ASSEMBLY	-	-	-	-
15	ENGINE WIRE	82121	-	-	-
16	FLYWHEEL HOUSING SIDE COVER	11363A	-	-	-
17	STARTER ASSEMBLY	28100	-	-	-

NO. 2 ENGINE WIRE