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

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Mazda
	3
		Operation and maintenance of car
		Engine
			General description new engines models L8, LF, L3
				The mechanical part of engines
				Variable valve timing mechanism
				Lubrication system
				Cooling system
				Fuel system
				Exhaust and Emission
				Electric motors
					Overview
					Charging System
					Ignition coil
					Spark plug
					Starter
			The mechanical part of engines
			Appendix 1
			Annex 2
			Appendix 3
			Engine Z6 - mechanical part
			Lubrication system
			Cooling system
			Intake system
			Fuel system
			Exhaust and Emission
			Ignition system
			Control system
			Tables
		Transmission
		Chassis
		Steering Gear
		Brakes
		Onboard electric
		Body

printable version

Ignition coil

Fig. 2.70. Ignition Coil: 1 - the ignition coil - top view; 2 - secondary terminals; 3 - the ignition coil - a side view; 4 - the ignition coil; 5 - the PCM

The ignition coil has two windings. For cylinders 1 and 4, the cylinders 2 and 3, respectively (matched pairs). Two secondary display contains the positive and negative terminals of the secondary windings. Closed-loop secondary windings consist of high-voltage wires, two spark plugs and cylinder heads. Therefore, one coil provides the two cylinders. Ignition pulse is generated by a built-in ignition block PCM (Fig. 2.70).

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Spark plug