Caution / Notice / Hint
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 300h, 2023 Lexus ES 300h, 2022 Lexus ES 300h, 2021 Lexus ES 300h, and 2020 Lexus ES 300h. 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 and installed, or replaced during ECM removal/installation are shown below.
NECESSARY PROCEDURES AFTER PARTS REMOVED/INSTALLED/REPLACED
| Replaced Part or Performed Procedure | Necessary Procedure | Effect/Inoperative Function when Necessary Procedure not Performed | Link |
|---|---|---|---|
| Auxiliary battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane Control System (for HV Model) | Refer to INITIALIZATION [06/2018 - 08/2021] |
| Pre-collision System (for HV Model) | |||
| Parking Support Brake System (for HV Model)* | |||
| Lighting System (for HV Model) | |||
| Memorize steering angle neutral point | Parking Assist Monitor System (for HV Model) | Refer to INITIALIZATION [06/2018 - 09/2022] | |
| Panoramic View Monitor System (for HV Model) | Refer to INITIALIZATION [06/2018 - 09/2022] | ||
| Initialize power trunk lid system | Power Trunk Lid System (for HV Model) | Refer to INITIALIZATION [06/2018 - ] | |
| Replacement of ECM | Perform Vehicle Identification Number (VIN) registration | MIL illuminates | Refer to REGISTRATION [06/2018 - ] |
*: 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. (for Audio and Visual System)
- 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. (for Navigation System)
- If the ECM has been struck or dropped, replace it.
- Perform Vehicle Identification Number (VIN) registration when replacing the ECM.
Refer to REGISTRATION [06/2018 - ]