Caution / Notice / Hint
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus UX 250h, 2023 Lexus UX 250h, 2022 Lexus UX 250h, 2021 Lexus UX 250h, and 2020 Lexus UX 250h. However, it is still accessible from the selected car via links, so may be relevant.
The necessary procedures (adjustment, calibration, initialization, or registration) that must be performed after parts are removed, installed, or replaced during the ECM removal/installation are shown below.
NECESSARY PROCEDURE AFTER PARTS REMOVED/INSTALLED/REPLACED
| Replacement Part or Procedure | Necessary Procedures | Effect/Inoperative Function When Necessary Procedures are not Performed | Link |
|---|---|---|---|
| Disconnect cable from negative auxiliary battery terminal | Perform steering sensor zero point calibration | Lane Control System | Refer to INITIALIZATION [10/2018 - 07/2022] |
| Parking Support Brake System*1 | |||
| Pre-collision System | |||
| Lighting System (EXT) | |||
| Memorize steering angle neutral point | Parking Assist Monitor System | Refer to INITIALIZATION [10/2018 - 07/2022] | |
| Initialize back door lock | Power Door Lock Control System | Refer to INITIALIZATION [10/2018 - ] | |
| Reset back door close position | Power Back Door System | Refer to INITIALIZATION [10/2018 - 07/2022] | |
| ECM | Perform Vehicle Identification Number (VIN) registration | MIL illuminates | Refer to INITIALIZATION [10/2018 - 08/2021] Refer to INITIALIZATION [08/2021 - ] |
*1: When performing learning using the Techstream.
NOTE:
After the power switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the power switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) auxiliary battery terminal.