Komatsu Galeo PC800-8 Shop Manual page 248

SEN00386-03
EGR valve inlet pressure sensor
• This sensor is used to sense the EGR pressure.
• The following graph shows the output character-
istics of the EGR inlet pressure sensor.
6
10 Structure, function and maintenance standard
Fuel temperature sensor
• The fuel temperature sensor senses the fuel
temperature and sends it to the engine controller.
The sensor unit is a thermistor the resistance of
which changes according to the temperature.
• The engine throttle controller applies voltage to
the thermistor and senses the temperature by
the voltage divided by the resistance in the com-
puter and the resistance of the thermistor.
PC800, 850-8