Hyundai Santa Fe: Head Lamps. Description and Operation - Lighting System - Body Electrical SystemHyundai Santa Fe: Head Lamps. Description and Operation

HID Head Lamp

Xenon gas: Xenon gas activates the initial reaction for rapid illuminating.
Molybdenum electrode: anode arcing
Metal halide salts: color composing component
Lightening principle
When Xenon gas and metal halide salt will discharge the molybdenum anode in a capsule, it emits light.
Ignitor (A) is an electromagnetic transformer that receives current from ballast and boost voltage to light on the arc light source in any environment.

Ballast (A) delivers an instant high voltage pulse to the ignitor electrode, to initialize discharge in the source.
Ballast supplies the stable power to the bulb and the ignitor during initialization and normal state of arc.

Durable for vibration as there is no filament.
Does not operate if polarity are changed.
Doesn't operate if the input voltage is not in the range of 10-16V.
Doesn't operate if the circuit is short.
Doesn't operate if the bulb burnt out.

Head Lamps. Components and Components Location
Component 1. Head lamp high beam bulb 2. Dust cap (High) 3. Head lamp low beam bulb 4. Dust cap (Low) 5. Turn signal lamp bulb 6. Turn signal lamp socket 7. Side marker bulb 1. Head lamp high beam bulb ...

Head Lamps. Repair procedures
Inspection 1. Check-points upon head lamp failure (HID) (1) Check the battery voltage. (Low beam will be on when the battery voltage above 9V.) (2) Check the fuse and relay. (3) Check the polarity of ballast. ...

See also:

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Timing Chain. Components and Components Location
Components 1. Timing chain 2. Timing chain guide 3. Timing chain tension arm 4. Timing chain tension 5. Balance shaft chain 6. Balance shaft chain tension arm 7. Balance shaft chain tension 8. Balance ...