ELECTRICAL AND ECU
Warning Devices
12-10
6LY3 Service Manual
© 2007 Yanmar Marine International
WARNING DEVICES
This engine is equipped with several electronic sensors. The engine data from these electronic sensors is
sent to the electronic control unit (ECU) and used for engine control and system monitoring.
Sensor Locations
Figure 12-13
Figure 12-13
1 – Boost air pressure sensor installed on the
intake manifold with sealant tape.
Torque = 9.8 ± 1 N·m (7.2 ± 0.7 lb-ft)
2 – Oil pressure sensor installed on the oil filter
bracket with sealant tape.
Torque = 9.8 ± 1 N·m (7.2 ± 0.7 lb-ft)
3 – Coolant temperature sensor installed on the
heat exchanger with sealant tape.
Torque = 19.6 ± 3 N·m (14.4 ± 2.2 lb-ft)
(
3
)
(1)
(2)
000627
8
