New Holland Auto Command T7.220 - Engine electrical system tests

Engine-Engineandcrankcase
Engine-ElectricaltestusingDATARequipment
Theenginecontrollerusesthecamandcranksensorinformationtocontrolthefuellingandinjectiontiming.Atinitial
enginestart,thesensorinformationisusedtoinformthecontrollerwhentoinitiaterstinjection.Thesensorinfor-
mationisalsousedbythecontrollertomeasuretheactualenginespeed.Thecrankshaftandcamshaftsensorsare
bothinductivesensorswhichdetecttherotationofthetonewheel.Thesignalproducedmustbeacleansine-wave
signalwithoutanynoise,disturbanceorinterferences.
•ChannelA(Blue)Crankshaft,producesasine-wavesignalranging±20V.Theamplitude
(voltage)willchangedependingontheenginespeed.
•ChannelB(Red)Camshaft,producesasine-wavesignal.
1.TherearethreewirestothecrankshaftsensorX834
(locatedatthefrontlefthandsideoftheengine
SS08K0751
1.Pin1:Earth
2.Pin2:Signal
3.Pin3:Power
SS08F2702
2.ThecamshaftsensorisconnectedatX835withthree
wires(locatedattherearlefthandsideoftheengine.
SS08K0763
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