Sensors And Actuators - Yanmar 6LY3 series Service Manual

Electronic Control System
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Sensors and Actuators

Sensors and actuators are devices used for engine control and monitoring. They are laid out on the engine
as shown in Figure 6-47. The oil pressure and the oil temperature sensors are installed for the purpose of
monitoring and warning the vessel operators.
Figure 6-47
Oil pressure sensor
(On oil filter)
Crank speed sensor
(On flywheel housing)
Oil temperature sensor
(On oil cooler)
Electronic governor
Rack position sensor
(On governor)
Pump speed sensor
(On governor)
6LY3 Service Manual
Engine control unit
Injection pump
Figure 6-47
© 2007 Yanmar Marine International
FUEL SYSTEM
Water temperature sensor
(On exhaust manifold)
Boost pressure sensor
(On intake manifold)
Timer solenoid
(On hydraulic timer)
Fuel temperature sensor
(On injection pump)
0005711
6-37