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 NO. 2 ECM BRACKET
- INSTALL NO. 1 ECM BRACKET
- INSTALL ECM
- Install the ECM with the 2 bolts and nut.
Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)
NOTE:If the ECM has been struck or dropped, replace it.
- Connect the 3 ECM connectors and rotate the 3 levers to lock them.NOTE:
- When connecting the ECM connectors, make sure that the connecting parts of the ECM connectors are free of dirt, water and other foreign matter.
- Be sure to securely connect the ECM connectors.
- Install the ECM with the 2 bolts and nut.
- INSTALL AIR CLEANER ASSEMBLY WITH AIR CLEANER HOSE
See step 5 - CONNECT NO. 2 VENTILATION HOSE
See step 6 - CONNECT VACUUM HOSE
- INSTALL INLET AIR CLEANER ASSEMBLY
See step 8 - INSTALL RADIATOR UPPER AIR GUIDE PLATE
- INSTALL NO. 1 ENGINE COVER SUB-ASSEMBLY
Refer to PROCEDURE - Step 48 - CONNECT CABLE TO NEGATIVE BATTERY TERMINAL
Refer to PROCEDURE - Step 5
- VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION
Refer to PROCEDURE - Step 1
- UPDATE ECU SECURITY KEY
Refer to UPDATE ECU SECURITY KEY [11/2021 - ]
- PERFORM INITIALIZATION
Refer to WORK PROCEDURE [11/2021 - 03/2023] , or refer to WORK PROCEDURE [03/2023 - 03/2024] , or refer to WORK PROCEDURE [03/2024 - ]
- INITIALIZATION AFTER RECONNECTING BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the battery, there is an automatic learning function that completes learning when the respective system is used.