Headlight Dimmer Switch Circuit [10/2018 - 11/2021]: Description
WARNING: This page does not describe the selected car, but rather 12 other vehicles, including the 2024 Lexus RC 350, 2024 Lexus RC 300, 2023 Lexus RC 350, 2023 Lexus RC 300, and 2022 Lexus RC 350. However, it is still accessible from the selected car via links, so may be relevant.
The main body ECU (multiplex network body ECU) receives the following switch information:
- Light control switch in off*1, DRL OFF*2, tail, head or AUTO position
- Dimmer switch in high, low or high flash (pass) position
- *1: w/o DRL OFF Switch
- *2: w/ DRL OFF Switch