APRILIA Tuono V4 1100 Factory Service Station Manual page 527

Tuono V4 1100 Factory
Switch malfunction.
Troubleshooting
- Connect to the injection control unit diagnosis
- Check according to the indication in the figure whether there is or not continuity between the contact
of the switches and in the various opening/closing states:
•
with the "+" button open, the "-" button must be closed
•
with the "+" button closed, the "-" button must be open
Modulator
REMOVING THE ABS MODULATOR
To remove the ABS modulator, first drain the brake
system and then follow the procedure described
below:
•
Disconnect the connector from the
ABS control unit.
•
Remove the cable tie fastening the
ABS pipes to the metal plate.
•
Unscrew and remove the screws fas-
tening the ABS pipes to the modulator.
Braking system
BRAK SYS - 527