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Home >> Lexus >> 2023 >> NX 350h >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System - Service Information >> Ignition Coil And Spark Plug >> Installation [11/2021 - ] >> Procedure
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Installation [11/2021 - ]: Procedure

  1. INSTALL SPARK PLUG 
    Refer to PROCEDURE - Step 1
  2. INSTALL IGNITION COIL ASSEMBLY 
    1. GTY1077167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      1. Using an 8 mm socket wrench, install the 4 ignition coil assemblies to the cylinder head cover sub-assembly with the 4 bolts.

        Torque: 7.5 N.m (76 kgf/cm, 66 in.lbf) 

        NOTE:

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

      2. Connect the 4 ignition coil assembly connectors.
  3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 
    Refer to PROCEDURE - Step 47 [11/2021 - 03/2024] , or refer to PROCEDURE - Step 43 [03/2024 - ]
  4. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.

      Refer to INITIALIZATION [11/2021 - ]

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