Fuel Pump - MOTO GUZZI 2Q000297 Service Station Manual

V7 III ABS
•
Verify the absence of voltage at the left injector connector PIN 2; if present restore the wiring
harness, otherwise proceed with the following checks.
Short-circuit to negative:
•
Disconnect the left injector connector, turn the key to ON and activate the component
through the diagnostic tool.
•
Verify the presence of voltage at the ends of the left injector connector; if there is no voltage,
restore the wiring harness, otherwise proceed with the following checks.
Open circuit:
•
Carry out the check procedure of the left injector and control unit connectors.
•
Verify continuity of the wiring harness between the control unit connector and the left injector
connector (control unit PIN 34 - left injector PIN 2). In the absence of continuity restore the
wiring harness.

Fuel pump

Function
Fuel pump: keeps pressure of the injectors supply
duct.
Low fuel: tells to the instrument panel about low
fuel
Operation / Operating principle
The fuel reserve is a resistance that if correctly
supplied varies its electrical resistance if it is dam-
ped or not by petrol
Level in electrical circuit diagram
Injection load solenoid
Low fuel and oil pressure
Position
•
On the vehicle: on the tank.
•
Connector: on the front left part of the
bike, under the fuel tank.
Fuel pump pin-out and fuel reserve sensor
1. Power 12V (red/brown)
2. Ground (black)
3. Positive signal to instrument panel (orange/
violet)
4. Ground (brown)
Electrical system
ELE SYS - 127