MOTO GUZZI NEVADA 750, Service Station Manual

Page: 52 / 128

Engine oil pressure sensor
Function: it indicates the instrument panel if there
is enough oil pressure 0.35 +/- 0.2 bar (5.1 +/- 2.9
PSI) in the engine.
Operation / Operating principle: normally closed
switch. With oil pressure above 0.35 +/-0.2 bar (5.1
+/- 2.9 PSI) open circuit.
Level in wiring diagram: petrol reserve and oil
pressure.
Location:
•
sensor: between the two heads, at the
back.
•
connector: on the sensor.
Electrical characteristics:
•
With engine off: closed circuit (continu-
ity).
•
With engine on: open circuit (infinite re-
sistance).
Pin-out : Voltage 12V
Instrument panel
Warning light always off
Troubleshooting
•
Check the sensor connector and the instrument panel connector (PIN 17): If not OK, restore.
If OK, check the continuity of the purple cable between the sensor connector and the in-
strument panel connector PIN 11: if not OK, restore the cable harness; if OK, replace the
sensor
Warning light always on
Troubleshooting
•
Disconnect the sensor connector and check the ground insulation of the purple cable: if there
is continuity with the ground connection, restore the cable harness; if earth insulated, replace
the switch. if the error remains, check oil pressure in the engine circuit with a pressure gauge
Electrical system
NEVADA 750
ELE SYS - 52