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 intake manifold 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 Air leaks from intake system is repaired	Inspection after repair	Poor idle, etc. Engine start function, etc.	Refer to INITIALIZATION [11/2021 - ]

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 [11/2021 - ]

COMPONENTS (REMOVAL)

Fig 1: Intake Manifold Removal Components

Callout - Procedure		Part Name Code
1	THROTTLE BODY WITH MOTOR ASSEMBLY	22030	-	-	-
2	NO. 1 TURBO PRESSURE SENSOR	89421K	See step 2	-	-
3	INTAKE MANIFOLD	17111	-	-	-

NO. 3 WATER BY-PASS PIPE

ENGINE COVER BRACKET