PIAGGIO MP3 500 i.e. SPORT Service Station Manual page 270

MP3 500 i.e. SPORT Business_LT_ ABS-ASR_EU_USA (2015)
Injection
Check the efficiency of the injection load solenoid.
Check the resistance of the energising coil be-
tween pins 86 and 85: 40 to 80 Ohm
Apply a voltage of 12V to pins 86 and 85; make
sure that there is continuity between pins 30 and
87 of the remote control.
Check the power supply line of the injection loads
relay energising coil: after switching to «ON»,
make sure there is battery voltage, for 2 seconds,
between the Red-White cable and the Black-Pur-
ple cable of the relay base. If there is not, check
the continuity of the Red-White cable between the
fuse box and the relay base and of the Black-Pur-
ple cable between the pin 10 of the control unit and
the relay base.
WARNING
ALL CONTINUITY TESTS MUST BE CARRIED OUT WITH
THE CORRESPONDING CONNECTORS DISCONNECTED.
INJEC - 270