Caution / Notice / Hint
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2024 Lexus ES 350, 2023 Lexus ES 350, 2022 Lexus ES 350, 2021 Lexus ES 350, and 2020 Lexus ES 350. 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 |
|---|---|---|---|
| Battery terminal is disconnected/reconnected | Perform steering sensor zero point calibration | Lane Control System (for Gasoline Model) | Refer to INITIALIZATION [06/2018 - 08/2021] |
| Pre-collision System (for Gasoline Model) | |||
| Parking Support Brake System (for Gasoline Model)*1 | |||
| Lighting System (for Gasoline Model) | |||
| Memorize steering angle neutral point | Parking Assist Monitor System (for Gasoline Model) | Refer to INITIALIZATION [06/2018 - 09/2022] | |
| Panoramic View Monitor System (for Gasoline Model) | Refer to INITIALIZATION [06/2018 - 09/2022] | ||
| Initialize power trunk lid system | Power Trunk Lid System (for Gasoline Model) | Refer to INITIALIZATION [06/2018 - ] | |
| Replacement of ECM | Vehicle Identification Number (VIN) registration | MIL comes on | Refer to REGISTRATION [06/2018 - ] |
| ECU communication ID registration (Immobiliser system) | Engine start function | Refer to REGISTRATION [06/2018 - 10/2019] | |
| Replacement of ECM (If transaxle compensation code read from ECM) |
|
|
Refer to INITIALIZATION [06/2018 - ]
for Initialization Refer to REGISTRATION [06/2018 - ] for Registration |
| Replacement of ECM (If transaxle compensation code not read from ECM) |
|
||
| Replacement of ECM | Code registration (Smart access system with push-button start (for Start Function, Gasoline Model) |
|
Refer to REGISTRATION [06/2018 - 10/2019] |
- *1: When performing learning using the Techstream.
Refer to CALIBRATION [06/2018 - 08/2021]
- *2: Not necessary when ECM replaced with new one
NOTE:
- After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) battery terminal. (for Audio and Visual System)
- After the engine switch is turned off, the radio receiver assembly records various types of memory and settings. As a result, after turning the engine switch off, make sure to wait at least 85 seconds before disconnecting the cable from the negative (-) 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 - ]