Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual / Engine & Hybrid System / 2gr-fks (engine Control) / Ignition Coil And Spark Plug / Removal

REMOVAL

CAUTION / NOTICE / HINT

The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during ignition coil assembly or spark plug removal/installation are shown below.

Necessary Procedure After Parts Removed/Installed/Replaced

Replaced Part or Performed Procedure	Necessary Procedure	Effect/Inoperative Function when Necessary Procedure not Performed
Battery terminal is disconnected/reconnected	Memorize steering angle neutral point	Lane Control System
		Pre-collision System
		Intelligent Clearance Sonar System*1
		Parking Assist Monitor System
		Panoramic View Monitor System
		Lighting System (w/ Automatic Headlight Beam Level Control System)
	Initialize back door lock	Power Door Lock Control System
	Reset back door close position	Power Back Door System (w/ Outside Door Control Switch)
Replacement of throttle body with motor assembly Cleaning the deposits from the throttle body with motor assembly Replacement of ignition coil assembly Replacement of spark plug	Inspection After Repair	Poor idle, etc. Engine start function, etc.

*1: When performing learning using the Techstream.

Click here

PROCEDURE

1. REMOVE INTAKE AIR SURGE TANK ASSEMBLY

Click here

2. REMOVE IGNITION COIL ASSEMBLY

(a) Disconnect the 6 ignition coil assembly connectors.

(b) Remove the 6 bolts and 6 ignition coil assemblies from the cylinder head cover sub-assembly and cylinder head cover sub-assembly LH.

NOTICE:

If an ignition coil assembly has been struck or dropped, replace it.

HINT:

Arrange the removed parts in the correct order.

3. REMOVE SPARK PLUG

(a) Remove the 6 spark plugs from the cylinder head sub-assembly and cylinder head LH.

NOTICE:

If a spark plug has been struck or dropped, replace it.

HINT:

Arrange the removed parts in the correct order.

Components

COMPONENTS ILLUSTRATION *1 IGNITION COIL ASSEMBLY *2 SPARK PLUG N*m (kgf*cm, ft.*lbf): Specified torque - - ...

Installation

INSTALLATION PROCEDURE 1. INSTALL SPARK PLUG HINT: Perform "Inspection After Repair" after replacing a spark plug. Click here (a) Install the 6 spark plugs to the cylinder head sub-assembly and cyl ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Charging System: Data List / Active Test
DATA LIST / ACTIVE TEST DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may be dis ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Engine Coolant Temperature Sensor 1 Circuit Short to Battery or Open (P011515)
DESCRIPTION Refer to DTC P011511. Click here HINT: When DTC P011515 is stored, the ECM enters fail-safe mode. During fail-safe mode, the engine coolant temperature is estimated to be 80°C (176°F) by the ECM. Fail-safe mode continues until a pass condition is detected. DTC No. Detection Item ...

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Removal

Components

Installation

Other materials:

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual

Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual