The ignition system generates an ignition spark that ignites the fuel-air mixture injected into the combustion chamber. To do this, in the ignition coil, the voltage from the 12 V battery is converted into a voltage of up to 30,000 V.
The ignition system for vehicles with a gasoline engine is an integral part of the engine management system.
The spark that ignites the air-fuel mixture is generated by the spark plugs at the command of the electronic engine control unit, which calculates the desired ignition timing. In this case, the control unit uses the embedded parametric data, as well as, in addition to them, signals from various sensors. The ignition system is synchronized on the basis of signals from a Hall sensor or a pulse sensor on the camshaft or on the crankshaft.
The distribution of the ignition current over the candles is produced by electronic components that replace the conventional mechanical ignition distributor with a slider. Each spark plug has its own ignition coil, which is located on the corresponding cylinder. On vehicles with AJK, ARE, AZA engines, the ignition coil output stages are installed separately on the air filter housing.
The electronic ignition system operates without wear and requires no maintenance. It is only necessary to replace the spark plugs regularly as part of maintenance.
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