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SEN06123-00
Engine control
Operation of system
Starting engine
q
When the starting switch is turned to the
START position, the starting signal flows to the
starting motor. Then, the starting motor turns to
start the engine.
When it happens, the engine controller checks
the signal voltage from the fuel control dial and
sets the engine speed to the speed set by the
fuel control dial.
Engine speed control
q
The fuel control dial sends a signal voltage cor-
responding to the rotation angle to the engine
controller.
The engine controller sends a driving signal to
the supply pump depending on the signal volt-
age to control the fuel injection pump, and
eventually controls the engine speed.
Stopping engine
q
When detecting that the starting switch is set to
the "STOP" position, the engine controller cuts
the signal of the supply pump drive solenoid to
stop the engine.
2
10-600
1
1
600 Electrical system
Engine control
PC200, 200LC, 220, 220LC-8M0
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