APRILIA SR MAX 125 ie Service Station Manual page 186

Injection
With the interface cabling disconnected from the
control unit, check for continuity between pin 13
and the red cable of the rev sensor connector and
between pin 15 and the white cable of the rev sen-
sor connector.
With the interface wiring disconnected from the
control unit and rev sensor connector, check that
the red and white cables (pin 13 - 15) are isolated
from each other and insulated from the earth.
Specific tooling
020481Y Control unit interface wiring
020331Y Digital multimeter
INJEC - 186
SR MAX 125 ie