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

Outline

Structural View


System Wiring Diagram


Operation

1. When the light switch is operated to the HEAD position, a light switch LO signal is input to the start stop unit.

2. The start stop unit sends the light switch LO signal to the front body control module (FBCM) as a CAN signal.

3. When the front body control module (FBCM) receives the light switch LO signal, it turns the headlight LO relay on.

4. When the headlight LO relay turns on, the igniter raises the DC voltage from the battery to approx. 25,000 V and outputs it to the discharge headlight bulb so that the xenon gas emits light.

5. When the discharge headlight bulb (xenon gas) emits light, the discharge headlight control module converts the DC voltage from the battery to AC voltage (approx. 42 V) and outputs it to the discharge headlight bulb to illuminate the bulb.


Discharge Headlight Service Warnings
Discharge Headlight Service Warnings When replacing a discharge headlight bulb, performing the servicing with the negative battery cable connected or in a wet work area could result in elect ...

Discharge Headlight System Inspection
WARNING: Incorrect servicing of the discharge headlights could result in electrical shock. Before servicing the discharge headlights, always refer to the service warnings.. Termina ...

Other materials:

Airflow Mode Actuator Inspection [Full Auto Air Conditioner]
CAUTION: If the lever position exceeds the operation range shown in the figure, the circuit in the actuator could be damaged. Always perform an actuator operation inspection with the lever movement within the range shown in the figure. 1. Connect battery positive voltage to airfl ...

Front Side Frame (Partial Cutting) Removal [Panel Replacement]
Symbol Mark Removal Procedure 1. Drill the 4 locations indicated by (A) shown in the figure, then remove suspension mounting reinforcement and outer frame reinforcement. 2. Rough cut location indicated by (B) shown in the figure. 3. Drill the 6 locations indicated by (C) shown in the fig ...

Radiator Removal/Installation
WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Tu ...

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