Installation [11/2021 - ]: Procedure
WARNING: This page is about a different car, the 2025 Lexus NX 350h, 2024 Lexus NX 350h, 2023 Lexus NX 350h, and 2022 Lexus NX 350h. 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 bolt and 2 nuts.
Torque: 8.0 N.m (82 kgf/cm, 71 in.lbf)
NOTE:If the ECM has been struck or dropped, replace it.
- Engage the clamp and install the engine wire with the bolt.
Torque: 10 N.m (102 kgf/cm, 7 ft.lbf)
- Connect the 2 ECM connectors and rotate the 2 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 bolt and 2 nuts.
- CONNECT CABLE TO NEGATIVE AUXILIARY BATTERY TERMINAL
Refer to PROCEDURE - Step 5
- INSTALL BATTERY SERVICE COVER PLATE
- VEHICLE IDENTIFICATION NUMBER (VIN) REGISTRATION
Refer to PROCEDURE - Step 1
- UPDATE ECU SECURITY KEY
Refer to UPDATE ECU SECURITY KEY [11/2021 - ]
- INITIALIZATION AFTER RECONNECTING AUXILIARY BATTERY TERMINAL
HINT:
When disconnecting and reconnecting the auxiliary battery, there is an automatic learning function that completes learning when the respective system is used.