APRILIA SCARABEO 500 2008 Service Station Manual page 251

SCARABEO 500
Tachometer
With the wiring disconnected from the control unit
and connected to the system, check that the sen-
sor resistance between pins 13 - 15 is between
100 and 150 Ohm at an engine temperature of
about 20°
Disconnect the fuel pump connector. Start the en-
gine and wait for it to stop. With the wiring con-
nected to the control unit and the system, try to
start-up the engine and check that the voltage be-
tween pins 13 and 15 is approx. 2.8 V ~
Injection
INJEC - 251