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.
Click here
(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
Click here
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:
Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH side.
The procedure listed below is for the LH side.
A bolt without a torque specification is shown in the standard bolt chart.
Click here PROCEDURE 1. REPAIR INSTRUCTION Click here 2. INSTALL NO. 1 BLACK
Power Back Door cannot be Opened or Closed Using the Power Back Door Switch
DESCRIPTION When the power back door cannot be opened or closed using the combination switch assembly, one of the following may be malfunctioning: 1) combination switch assembly circuit, 2) multiplex network door ECU or 3) main body ECU (multiplex network body ECU). WIRING DIAGRAM CAUTION / NOTICE
