|Engine Speed Sensor - Magneti Marelli 6lpb fuel injection|
|Engine speed sensor (1313)
The sensor is located opposite the teeth of the flywheel .
Role of the injection ECU according to the data received :
To check the engine speed
To determine the position of the crankshaft
To calculate the ignition advance
To regulate the idle speed
Description The sensor is of the inductive type .
Components of the sensor :
A permanent magnet
An electric winding
The sensor provides an electrical signal every time a tooth on the flywheel passes by (change in magnetic field) .
The 58 teeth are used to work out the engine speed .
The 2 missing teeth are used to work out the crankshaft position (no signal) .
N.B. : The air gap value is not adjustable .
Allocation of the connector channels :
Channel 1 : Signal
Channel 2 : Earth
Resistance between channels 1 and 2 : 425 - 525 ohms .
Features of the signals emitted : Variable frequency alternating voltage .
Location : On the clutch housing .
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|Info||Created: 22 September 2009
Last Updated: 02 April 2013