Overview

Depending on the set of the injection system of electronic engine management systems are used plugs, slightly different from each other. They work either with the system Mono-Motronic, Motronic MP 9.0 or Magnetti-Marelli 1 AV.

Some sites related to the ignition system, referred to in Sec. 5 "Fuel-injection systems."

The ignition system works with the ignition switch, ignition coil (high voltage transformer) and the ignition distributor, which has no contacts, a spark at the spark plugs distributes the Hall sensor. Ignition co-injected regulated common electronic control unit. Electronic ignition system components are not in need of repair.

If there are any faults in the operation of the engine, they are registered memory. Before repair the ignition system is necessary to interrogate the device. For this purpose the corresponding plug connector. This work should be carried out in an auto repair shop.

The knock sensor in the fuel injection system helps to determine the moment of ignition. Optimal operation of the ignition system is dependent on the particular engine state. Clean klenchatogo rotation shaft of the engine, its temperature and the engine load (eg, low blood pressure in the intake manifold and throttle position) are important determinants of job control ignition timing.

To determine the proper characteristics of the engine are carried out sea trials, where getting the best performance on fuel consumption, pollutant emissions and driving performance. These data are then entered as the regulations in the control unit.

When you receive data during operation of the engine control unit on the basis of the latter can determine the actual characteristics of the family at this point in time the operating status of the engine and adjust the ignition timing. It may, for example, range between 0 and 10 ?� BTDC.

The ignition distributor installed at the end of the cylinder head and is driven by the camshaft. The ignition distributor is equipped with a maintenance-free sensor Hall. Last provided with a magnet and fixed on the rotor shaft aperture. It defines the time via the control unit off and on the ignition coil current, and hence the ignition timing. Ignition coil control device housed together. Voltage loss, usually associated with the presence of the wiring between the circuit elements, are excluded due to direct mounting.

The central high-voltage wire of the ignition coil is connected to the central terminal of the distributor of ignition. The current through the rotor of the distributor of ignition, spinning over the four segments in the cover, which separates from the distributor breaker is supplied by a high-voltage wires to the appropriate spark plug.

Fig. 125 shows the details of the ignition system installed on the system Mono-Motronic, in Fig. 126 is represented by the high voltage transformer system Mono-Motronic.