Caution / Notice / Hint

WARNING: This page is about a different car, the 2024 Lexus TX 550h+. 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 throttle body with motor 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
Replacement of throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [12/2023 - ]

COMPONENTS (REMOVAL)

Fig 1: Throttle Body Removal Components (1 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Procedure		Part Name Code
1	DRAIN ENGINE COOLANT (for Engine)	-	-	See step 1	-
2	WINDSHIELD WIPER MOTOR AND LINK ASSEMBLY	-	-	-	-
3	FRONT SUSPENSION UPPER TO COWL BRACE SUB-ASSEMBLY	-	-	-	-
4	COWL VENTILATOR PANEL SUB-ASSEMBLY	55704B	-	-	-

FRONT SUSPENSION UPPER TO COWL BRACE SUB-ASSEMBLY LH

FRONT SUSPENSION UPPER TO COWL BRACE SUB-ASSEMBLY RH

Fig 2: Throttle Body Removal Components (2 Of 2)

Procedure		Part Name Code
5	COOL AIR INTAKE DUCT SEAL	53295E	-	-	-
6	INLET AIR CLEANER ASSEMBLY	17750A	-	-	-
7	ENGINE WIRE	82121	-	-	-
8	NO. 2 FUEL VAPOR FEED HOSE ASSEMBLY	23830	-	-	-
9	WATER HOSE SUB-ASSEMBLY	-	-	-	-
10	NO. 2 VENTILATION HOSE	-	-	-	-
11	FUEL VAPOR FEED HOSE ASSEMBLY	23820	-	-	-
12	AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE	-	-	-	-
13	WATER BY-PASS HOSE	16261	-	-	-
14	NO. 2 WATER BY-PASS HOSE	16264	-	-	-
15	THROTTLE BODY WITH MOTOR ASSEMBLY	22030	See step 15	-	-
16	THROTTLE BODY GASKET	22271	-	-	-

•

Non-reusable part