Lexus NX: Ignition Coil And Spark Plug

Components

COMPONENTS

ILLUSTRATION

*1

IGNITION COIL ASSEMBLY

*2

NO. 1 ENGINE COVER SUB-ASSEMBLY

*3

SPARK PLUG

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N*m (kgf*cm, ft.*lbf) : Specified torque

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Removal

REMOVAL

PROCEDURE

1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY

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2. REMOVE IGNITION COIL ASSEMBLY

(a) Disconnect the 4 ignition coil assembly connectors.

(b) Remove the 4 bolts and 4 ignition coil assemblies.

NOTICE:

Replace with a new part if it is dropped or if it receives a strong impact.

3. REMOVE SPARK PLUG

(a) Using a 16 mm spark plug wrench, remove the 4 spark plugs.

NOTICE:

Replace with a new part if it is dropped or if it receives a strong impact.

*a

16 mm Spark Plug Wrench

Installation

INSTALLATION

CAUTION / NOTICE / HINT

HINT:

Perform "Inspection After Repairs" after replacing the ignition coil assembly or the spark plug.

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PROCEDURE

1. INSTALL SPARK PLUG

HINT:

Perform "Inspection After Repairs" after replacing the spark plug.

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(a) Using a 16 mm spark plug wrench, install the 4 spark plugs.

Torque:

25 N·m {255 kgf·cm, 18 ft·lbf}

NOTICE:

Replace with a new part if it is dropped or if it receives a strong impact.

2. INSTALL IGNITION COIL ASSEMBLY

HINT:

Perform "Inspection After Repairs" after replacing the ignition coil assembly.

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(a) Install the 4 ignition coil assemblies with the 4 bolts.

Torque:

10 N·m {102 kgf·cm, 7 ft·lbf}

NOTICE:

Replace with a new part if it is dropped or if it receives a strong impact.

(b) Connect the 4 ignition coil assembly connectors.

3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

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READ NEXT:

 Ignition System

 Parts Location

PARTS LOCATION ILLUSTRATION *1 IGNITION COIL ASSEMBLY *2 ECM *3 NO. 1 ENGINE ROOM RELAY BLOCK LH - IGN FUSE *4 SPARK PLUG

 System Diagram

SYSTEM DIAGRAM

SEE MORE:

 Short to GND in Outer Mirror Indicator(Slave) (C1AB3)

DESCRIPTION This DTC is stored when the blind spot monitor sensor RH detects a ground short in the outer rear view mirror indicator RH. DTC No. Detection Item DTC Detection Condition Trouble Area Note C1AB3 Short to GND in Outer Mirror Indicator(Slave) Both of the following condi

 Components

COMPONENTS ILLUSTRATION *A w/o Power Back Door *B w/ Power Back Door *C for 10 Speakers *D for 14 Speakers *1 BACK DOOR CENTER GARNISH *2 BACK DOOR FINISH COVER LH *3 BACK DOOR FINISH COVER RH *4 BACK DOOR LOCK COVER *5 BACK DOOR SIDE GARNISH LH *6 B

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