FAQ : 167 : Engine Speed Sensor - Magneti Marelli 6lpb fuel injection - C4

FAQ

FAQ #167

	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 . Electrical features 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 Location : On the clutch housing .
Views	4731 (Unique 2250)
Member Rating :	9.0 - 2 votes
FAQ Posted by	Dave_Retired.
Info	Created: 22 September 2009 Last Updated: 02 April 2013

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