Automatic High Beam System does not Operate or Operation Indicator does not Illuminate [02/2019 - 08/2020]: Description
WARNING: This page is about a different car, the 2021 Toyota RAV4, 2020 Toyota RAV4, and 2019 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.
The main body ECU (multiplex network body ECU) controls the automatic high beam system based on signals received from the forward recognition camera.