It sounds like your headlight control relay has gone out but to be sure lets run a test using this guide which will confirm the issue. Here is the headlight wiring diagrams so you can see how it works and the relay location. Check the fuses as well
Check out the diagrams (below). Please run some tests and get back to us.
Cheers, Ken
Images (Click to enlarge)
Jul 17, 2018 at 12:18 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.