REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Mazda 3 (2003 release)

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Mazda
	3
		Operation and maintenance of car
		Engine
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
			Overview
			Power supply system
			Lighting system
				Front combination lamp
					Main characteristics
					Discharge lamp
					Construction and operation of gas discharge lamps
					Detection of faults
					Automatic leveling headlights
					Work when changing vehicle load
					Operation with the vehicle
					Lighting control system while driving
				The rear combination lamp and internal combination lamp
				Removing and installing front combination lights
				Adjusting headlights
				Removing and installing the lamp lights
				Removal and installation of a gas discharge lamp lights
				Removing and installing parking lamp bulb
				Removing and installing front turn indicator
				Removing and installing the side direction indicator
				Adjusting the front fog light
				Removing and installing rear combination lamp
				Removal and installation of domestic combined lantern
				Removal and installation of a lantern of illumination of license plate
				Removing and installing additional brake light in the rear spoiler
				Removing and installing front interior light lamp
				Removing and installing the door switch
				Removal and installation of lighting lamps ashtrays
				Removing and installing ignition backlight
				Removal and installation of the backlight glovebox
				Removal and installation of lighting control switch on the dashboard
			Screen wipers and washer
			Immobiliser
			Electrical Inspections
			Tables
		Body

printable version

Automatic leveling headlights

Automatic leveling range (Fig. 7.17)

Fig. 7.17. Automatic leveling range: 1 - control automatic alignment (head); 2 - control of automatic alignment (optional); 3 - front sensor automatic alignment; 4 - Rear sensor automatic alignment; 5 - actuator alignment lights (left); 6 - headlamp leveling actuator (right); 7 - ABS / TCS HU / CM or DSC HU / CM

The optical axis of the headlights are automatically set at right angles to increase your visibility and prevent blinding oncoming drivers when changing speed or load of the vehicle.

The scheme of the automatic headlamp leveling when changing vehicle load

Fig. 7.18. The scheme of the automatic headlamp leveling when changing the boot of the car: 1 - set to zero; 2 - increase in load; 3 - automatic leveling control unit (head); 4 - control automatic leveling (optional); 5 - front sensor automatic alignment; 6 - Rear sensor automatic alignment; 7 - actuator alignment lights (left); 8 - headlamp leveling actuator (right); 9 - ABS / TCS HU / CM or DSC HU / CM; 10 - the difference between the two voltage signals; 11 - the spatial position of the vehicle; 12 - the adjustment amount of the optical axis; 13 - the optical axis; 14 - the origin; 15 - high; 16 - low

Fig. 7.19. The scheme of the automatic leveling headlights while driving: 1 - set to zero; 2 - acceleration; 3 - slowing down; 4 - control automatic alignment (head); 5 - control automatic leveling (optional); 6 - front sensor automatic alignment; 7 - Rear sensor automatic alignment; 8 - headlamp leveling actuator (left); 9 - headlamp leveling actuator (right); 10 - ABS / TCS HU / CM or DSC HU / CM; 11 - the difference between the two voltage signals; 12 - the spatial position of the vehicle; 13 - Calculating angle acceleration; 14 - Change the speed of the car; 15 - the adjustment amount of the optical axis; 16 - the optical axis; 17 - the origin; 18 - high; 19 - low; 20 - speed of the vehicle; 21 - Time

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Work when changing vehicle load