Installation [11/2021 - ]: Procedure

WARNING: This page is about a different car, the 2025 Lexus NX 250, 2024 Lexus NX 250, 2023 Lexus NX 250, and 2022 Lexus NX 250. However, it is still accessible from the selected car via links, so may be relevant.

INSTALL SPARK PLUG

Refer to PROCEDURE - Step 1

INSTALL IGNITION COIL ASSEMBLY

GTY1077439

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

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.
Connect the 4 ignition coil assembly connectors.

INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY

Refer to PROCEDURE - Step 48
PERFORM INITIALIZATION
1. Perform "Inspection After Repair" after replacing an ignition coil assembly or spark plug.
  Refer to INITIALIZATION [11/2021 - ]