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Mazda CX-5 Service & Repair Manual: Discharge Headlight Bulb

Purpose, Function

Construction

Operation

1. When high DC voltage (approx. 25,000 V) from the discharge headlight control module is input to the electrodes, the insulation between the electrodes is broken down and electrical current flows between the electrodes.

2. When electrical current flows between the electrodes of the discharge headlight bulb, the xenon gas is energized and emits light.

3. When the xenon gas emits light, temperature inside the discharge headlight bulb rises, the metallic iodide vaporizes/separates, and the metallic element discharges and emits light.


Fail-safe

DRL (Daytime Running Light) System
Outline The DRL system automatically switches the headlights to HI beams (50% dim) or illuminates the DRL bulb when the ignition is switched ON (engine on), the parking brake is released, ...

Discharge Headlight Control Module
Purpose Converts DC voltage from the battery to AC voltage and outputs the stabilized voltage to the discharge headlight. Function The discharge headlight control module control ...

Other materials:

Clutch Release Collar Inspection [C66 M R]
CAUTION: Do not clean the clutch release collar with cleaning fluids or a steam cleaner because it is filled with grease. Operation Inspection 1. Turn the collar while applying force in the axial direction, and inspect for sticking, excessive resistance, and an abnormal noise. ...

Resistor Inspection [Manual Air Conditioner]
1. Verify that the resistance between the resistor terminals is as shown in the table. If there is any malfunction, replace the resistor. Terminal Resistance (ohm) A—D 0.35—0.41 A—B 0. ...

Forced Ignition On
NOTE: In order to perform a forced ignition ON, the M-MDS is necessary. If the servicing is being done outside of an Authorized Mazda dealership, contact an Authorized Mazda dealership for instructions. The forced ignition ON procedure forces a power supply to each part when ...

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