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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:

Brake Fluid Pressure Sensor Inspection
1. Switch the ignition to off. 2. Remove the clips. 3. Set the splash shield out of the way. 4. Disconnect the brake pipe from the LF brake hose. 5. Remove the clip. 6. Remove the LF brake hose from the bracket. 7. Detach the brake pipe from the pipe holder. 8. Install the SST ...

Rear Drive Shaft Inspection
1. Inspect each connecting part for looseness. Tighten or replace parts if necessary. 2. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease, and looseness in the boot band. 3. Inspect the drive shaft for bends, cracks, and wear in the joints or splines. ...

Brake Pedal
Purpose/Function An intrusion-minimizing brake pedal has been adopted to the brake pedal to provide for a measure of safety in the event of an accident. The intrusion-minimizing brake pedal mechanism reduces impact to the lower extremities of the driver by minimizing the amount ...

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