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Home >> Lexus >> 2021 >> ES 250 Base >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (A25A-FKS) - Service Information >> Ignition Coil And Spark Plug >> Installation [08/2020 - ] >> Procedure
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Installation [08/2020 - ]: Procedure

  1. INSTALL SPARK PLUG 

    Refer to PROCEDURE - Step 1

  2. INSTALL IGNITION COIL ASSEMBLY 

    HINT: 

    Perform "Inspection After Repair" after replacing an ignition coil assembly.

    Refer to INITIALIZATION [08/2020 - ]

    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.

      HINT: 

      Install the same parts to their original positions.

    2. Connect the 4 ignition coil assembly connectors.
  3. INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 48 [08/2020 - 08/2021] , or refer to PROCEDURE - Step 49 [08/2021 - ]

  4. PERFORM INITIALIZATION 
    1. Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.

      Refer to INITIALIZATION [08/2020 - ]