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Throttle body group position sensor -
placed at the right
end of the small throttle body group shaft. The throttle body
group position sensor gives a completely closed position
reading and all the other opening angles are calculated taking
the completely closed position as basis.
The throttle body group angle is used by the ECM to determine
the supply needs of all the throttle body group positions.
Neutral switch -
situated in the gear box. The neutral switch
indicates when the gears are in neutral. Moreover, the neutral
switch sends a signal to a safety device that prevents starting
with the assembly stand lowered.
If a gear is engaged with the assembly stand lowered, supply
to the ECM is immediately interrupted, causing the engine to
stop.
Lateral assembly stand switch -
placed at the top of the lateral
assembly stand leg. If the lateral assembly stand is lowered,
the emgine will not turn until the gears are in neutral or the
clutch lever, that has a switch, is pulled up to the handle.
Clutch switch -
placed on the clutch lever. The engine will not
start until the lever is pulled up to the handle.
8.1.3 POSITION OF THE SENSORS
1 Barometric pressure sensor. Engine control module (under
the saddle)
2 Clutch lever (on the clutch lever)
3 Suction air temperature sensor (low in the air filter box)
4 Cooling liquid temperature sensor (on the cylinder head)
5 Position of the engine shaft sensor (on the right side of the
engine near the engine shaft)
6 Neutral switch (on the left of the gearbox)
Lateral assembly stand switch (on the arm of the lateral
assembly stand)
7 Position sensor (right end of the throttle body group).
8.2 SYSTEM ACTIVATING DEVICES
In response to signals received from the sensors, the ECM
adjusts a series of activating electronic and electromechanical
devices. The function and arrangement of the activating
devices is illustrated below.
Minimum air control system -
Situated inside the air filter
box: the system includes a control valve of the passage of air
under the throttle of the throttle body and is equipped with a
stepper engine.
Содержание Tornado Tre Novicento 903
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