Petrol car ignition system Volkswagen Sharan 1

General description and operation of the ignition system
The ignition system of a gasoline engine is designed to ignite the combustible mixture in the combustion chambers of the cylinders. Fig. 210. Elements of the ignition system on a...

Ignition distributor. Ignition coil
The 2.0-liter engine has a distributor installed in the cylinder block and driven by an intermediate shaft. The lower part of the distributor contains a Hall sensor, and the upper...

Ignition output stage
The ignition output stage is mounted on the 2.0L and VR6 engines on the top cover of the high voltage transformer. It contains a transistor that switches the flow of electric...

Engine Crankshaft Speed Sensor
The ECU receives precise information about the crankshaft speed from the engine crankshaft speed sensor, which is installed on the clutch housing above the flywheel, opposite a...

Knock sensor. Knock adjustment
Detonation combustion occurs due to too early ignition timing. Prolonged detonation can lead to serious damage to internal engine parts. However, in modern automobile...

Precautions when performing repair work on the ignition system
When performing repair and maintenance work on the ignition system, in order to avoid injury and damage to the system itself, observe the following precautions: Warning! People...

Carrying out repair and maintenance work on the ignition system
When turning the engine with the high voltage wires removed, some elements of the fuel injection and ignition systems may fail. To avoid this, before carrying out repair and...

General check of the ignition system
Conduct a general check in the following order: check the reliability of the connections of the electrical wires and connectors of the high-voltage transformer, ignition output...

Checking the ignition coil
The ignition coil is checked for winding resistance, for short circuits between the windings and insulation breakdown to ground. A breakdown of insulation to ground is detected by...

Checking the Hall and Knock Sensor
The Hall sensor on the VR6 engine is located at the front of the cylinder head. During normal operation, the engine electronics use the signal from the Hall sensor to determine...

Ignition distributor for 2.0 liter engine
The 2.0-liter engine's ignition distributor ensures that the ignition system delivers electrical current to the spark plugs in the correct sequence (1-3-4-2) and at the right time...

Servicing the ignition distributor
The distributor cap should be regularly checked for cracks and cleaned from carbon dust and moisture inside and out. The distributor rotor should also be cleaned. Use a rag soaked...

Removal and installation the ignition distributor
Remove the ignition distributor in the following order: remove the distributor cap; disconnect the Hall sensor connector from the ignition distributor. To do this, squeeze the...

Ignition distributor repair
The ignition distributor can only be repaired to a certain extent. In most cases, it is advisable to replace it with a new one. If you need to replace the runner, install only the...

Adjusting the ignition timing of a 2.0-liter engine
The ignition of the 2.0-liter engine is adjusted when the engine is idling. The adjustment primarily means the correct position of the ignition distributor, since it is the one...

Spark plugs — removal, installation and adjustment
The spark plugs have a thread diameter of 14 mm. The manufacturer recommends specific spark plugs, but spark plugs from other manufacturers with the appropriate combustion heat...

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