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 battery ECU assembly 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 | Refer to INITIALIZATION [06/2018 - 08/2021] |
| Pre-collision System | |||
| Parking Support Brake System* | |||
| Lighting System | |||
| Memorize steering angle neutral point | Parking Assist Monitor System | Refer to INITIALIZATION [06/2018 - 09/2022] | |
| Panoramic View Monitor System | Refer to INITIALIZATION [06/2018 - 09/2022] | ||
| Initialize power trunk lid system | Power Trunk Lid System | Refer to INITIALIZATION [06/2018 - ] | |
| Replacement of battery ECU assembly | Current sensor offset learning | DTCs are stored | Refer to PROCEDURE - Step 14 |
*: When performing learning using the Techstream.
WARNING:
- Orange wire harnesses and connectors indicate high-voltage circuits. To prevent electric shock, always follow the procedure described in the repair information
.
Refer to PRECAUTION [08/2020 - ]
- To prevent electric shock, wear insulated gloves when working on wire harnesses and components of the high voltage system.
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)
- The type of battery ECU assembly to be used varies depending on the vehicle model.
- The type of battery ECU assembly can be confirmed by the color of the label.
*a Black Label - If the wrong type of battery ECU assembly is installed, the power switch cannot be turned on (READY).
- After installing the battery ECU assembly, perform the following to check that the power switch can be turned on (READY).
- Turn the power switch on (READY).
- Turn the power switch off and wait for 30 seconds or more.
- Turn the power switch on (READY) again.