Precaution [10/2022 - ]
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2024 Lexus RC 300, 2023 Lexus RC 300, 2022 Lexus RC 300, 2021 Lexus RC 300, and 2020 Lexus RC 300. However, it is still accessible from the selected car via links, so may be relevant.
- INITIALIZATION NOTE:
- Before replacing the ECM, refer to Registration.
Refer to REGISTRATION [10/2022 - ]
- Before replacing the ECM, store the heavy knock history. After replacement, write the heavy knock history to the new ECM.
Refer to REGISTRATION [10/2015 - ]
- Initialize the heavy knock history after replacing the piston rings.
Refer to INITIALIZATION [11/2019 - ]
- Perform Registration (VIN registration) after replacing the ECM.
Refer to REGISTRATION [10/2015 - ]
- Make sure to perform Reset Memory (A/T initialization), when replacing the automatic transmission assembly, ECM or engine assembly.
Refer to INITIALIZATION [10/2015 - ]
- When the cable is disconnected from the negative (-) battery terminal, initialize the following system(s) after the cable is reconnected.
System Name See Procedure Lane Tracing Assist System Refer to INITIALIZATION [10/2022 - 10/2023] , or refer to INITIALIZATION [10/2023 - ] Pre-collision System Variable Gear Ratio Steering System Parking Assist Monitor System Air Conditioning System Lighting System (EXT)
- Before replacing the ECM, refer to Registration.
- WHEN USING TECHSTREAM WARNING:
Observe the following items for safety reasons:
- Before using the Techstream, read the instruction manual.
- Prevent the Techstream cable from being caught on the pedals, shift lever or steering wheel when driving with the Techstream connected to the vehicle.
- When driving the vehicle for testing purposes using the Techstream, 2 persons are required. One to drive the vehicle, and another to operate the Techstream.