Lexus NX: Ignition Coil And Spark Plug
Components
COMPONENTS
ILLUSTRATION
| *1 | IGNITION COIL ASSEMBLY | *2 | NO. 1 ENGINE COVER SUB-ASSEMBLY |
| *3 | SPARK PLUG | - | - |
.png) | N*m (kgf*cm, ft.*lbf) : Specified torque | - | - |
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. |
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| (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. |
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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. |
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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.
Click here
(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:
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:
IG Signal Circuit
DESCRIPTION This circuit detects whether the power switch is on (IG) or off, and sends this information to the main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
Inspect the fuses for circuits related to this system before performing the following procedur
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 FRONT DOOR ARMREST SET BRACKET LH *2 FRONT DOOR BELT MOU
