Headlight Signal Circuit: Description
WARNING: This page is about a different car, the 2008 Toyota Yaris. However, it is still accessible from the selected car via links, so may be relevant.
The headlights are illuminated when the light control switch, located on the headlight dimmer switch, is turned to the HEAD position.
For models with the H-LP/AMT relay (sedan models equipped with the daytime running light system and all hatchback models), refer to HEADLIGHT RELAY CIRCUIT .