Headlights
From Automotive Wiki from mr-fix
Contents
Light source types
Halogen
Xenon
LED
Types and functions
Separate light sources
Lens projectors
Bi-xenon, Bi-halogen, Bi-LED
High and low beam from a single light source. Shutter controlled with electromagnet or small electric engine moves and changes light pattern. In some applications (eg. Skoda Roomster with Bi-Halogen) also the headlight adjustment engine is involved - when switching between high and low beams the headlight tilts slightly up and down.
Cornering lights
Also called curb lights.
Daytime Running Lights
Homologations
Light function must match homologation marks on the housing. Check for following marks:
Light source
- Halogen
- Xenon (Discharge)
- LED
Light function
- High beam
- Low beam
- High and low beam
- Daytime running lights
- Fog lights
- Cornering lights