Engine Speed Sensor - Alfa Romeo 159 Training Material

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ENGINE
33
Cylinder 4 injector -
34
Fuel pressure regulator on rail +
35
Diagnostic feedback (swirl)
36
Not connected
37
Air temperature sensor (air mass meter)
38
Not connected
39
Driven throttle ground
40
Pressure signal from air pressure/temperature sensor
41
Engine coolant temperature sensor -
42
Output signal + (air mass meter)
43
Fuel pressure sensor signal
44
Ground (air mass meter)
45
Swirl solenoid valve command
46
Cylinder 4 injector -
47
Cylinder 1 injector -
48
Not connected/ Cylinder 5 injector - (for 2.4)
49
Fuel pressure regulator -
50
Timing sensor signal
51
Not connected
52
Throttle body feedback
53
Temperature signal from air pressure/temperature sensor
54
Not connected
55
Not connected
56
Low engine oil pressure
57
Not connected
58
Engine coolant temperature sensor signal
59
Throttle solenoid valve command
60
EGR solenoid valve

Engine speed sensor

FUNCTION: The sensor provides an electrical signal to the engine ECU used to compute the speed and angular
position of the engine.
LOCATION: The sensor is fitted on the crankcase facing the phonic wheel on the crankshaft.
1.
maximum magnetic flow
2.
minimum magnetic flow
Traccia Didattica Alfa 159-en-ridotta
ALFA 159 TRAINING MATERIAL
136/318
Fiat Auto S.p.A.
After Sales Training
© 2004 Fiat Auto S.p.A. - All rights reserved

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