MOTO GUZZI Stelvio 1200 NTX ABS Service Station Manual page 72

Electrical system
Injector
Function
To supply the correct amount of petrol at the right
timing.
Operation / Operating principle
Injector coil is excited for the petrol passage to
open.
Level in wiring diagram:Coils and injectors
Location:
•
on the intake manifold
•
connector: on injector
Electrical characteristics:14.8 Ohm +/- 5% (at
20 °C)
Pin-out:
"+": Supply:
" ": Ground connection
AXONE:FUEL INJECTION SYSTEM
AXONE: PARAMETERS
Injection time
AXONE: ACTIVATION
Left injector: Operation for 4 ms, 5 times
The auxiliary injection relay (No. 29 in the wiring diagram, placed on the front right side of the motorcycle,
in the auxiliary fuses/relays box, first relay to the left starting from the front; CHECK, however, the
identification of the relay with the colour of the cables) is energised for 5 seconds and the grey/red cable
of the injector is closed to ground for 4 ms per second. Disconnect the 4-way connector of the fuel pump
to be able to hear the relay and injector activation. The continuity of the wiring is necessary for correct
activation: no error indications are displayed in case of lack of activation
AXONE: ELECTRICAL ERRORS
Left injector P0201 - shorted to positive / shorted to negative / open circuit.
Error cause
•
If shorted to positive: excessive voltage has been detected at PIN 28 of the BROWN con-
nector.
•
If shorted to negative: no voltage has been detected.
•
If the circuit is open: an interruption has been detected
Troubleshooting
Revente Interdite - Revendita Vietata - Resaling Forbiden - Wiederverkauf Verboten
ELE SYS - 72
Stelvio 1200 NTX ABS