Headlight Beam Level Control Actuator Circuit [03/2019 - ]: Description
WARNING: This page is about a different car, the 2024 Lexus RC F, 2023 Lexus RC F, 2022 Lexus RC F, 2021 Lexus RC F, and 2020 Lexus RC F. However, it is still accessible from the selected car via links, so may be relevant.
The headlight ECU sub-assemblies operate the headlight leveling motors according to the vehicle conditions.