APRILIA Tuono V4 1100 Factory Service Station Manual page 202

Electrical system
Injector
Lower injectors key:
•
1. Lower Injector 1
•
2. Lower Injector 3
•
3. Lower Injector 2
•
4. Lower Injector 4
LOWER INJECTOR
Function
Provide the correct amount of fuel at the correct
time. The lower injectors work in the field of low
engine revs, the upper injectors in the field of high
engine revs.
Operation / Operating principle
Injector coil is energised for the petrol passage to
open
Level in electrical circuit diagram:
Coils and injectors
Position:
•
on the vehicle: on the throttle body
•
connector: on injectors
Electrical specifications:
14.8 Ω ± 5% (at ambient temp.)
Pin out:
•
"+": supply
•
" ": ground
DIAGNOSTIC TOOL:PARAMETERS
ELE SYS - 202
Tuono V4 1100 Factory