Fault codes
Dds: horn diagnosis -> short circuit to ground (s.C. Gnd).
Dashboard: the error "claxon" (horn) is shown on the service display. The eobd warning light activates.
Wiring diagram

Db dashboard connection, s horn button. 5 Blue/white - b/w, 1 red/blue - r/b, db 19 purple/black - v/bk.
Location of connections and components

Location of left hand handlebar switchgear set connection.

Location of horn with relative connection.

Pin numbering for wiring harness side dashboard connector.
Note
Check integrity of electric circuit - short-circuit to vdc = with dashboard on, using a voltmeter, a voltage is measured between the wire tested and ground.
Check integrity of electric circuit - short-circuit to ground = with the battery cables disconnected, using an ohmmeter, continuity is detected between the wire tested and ground.
Check integrity of electric circuit - open circuit = with the battery cables disconnected, using an ohmmeter, no continuity is detected between the two ends of the wire tested.
Low beam lights not working
Turn indicators not workingRefitting the external components
Fit the cap (39) on spring (38) until it engages.
Mount ball (40), spring (38) with cap (39), washer (37) and screw (36) on the
chain side half-casing by starting the
screw into hole (f).
Note
The spring (38), with cap (39), must be oriented as shown.
Tighten the screw fully home to a torqu ...
Disassembly of the rear brake control
The brake master cylinder is supplied only as a complete unit; internal
components cannot be replaced.
To disassemble the master cylinder's outer parts, follow the indications given
in the exploded view at the beginning of this
section.
If the bush (10) inside the brake pedal (6) needs to ...
Reassembly of structural components and the frame
Check for the nuts with clips (8).
Apply recommended grease on the threads of the adjusters (4) and the ring
nuts (5) having care not to have grease on
the surface (c) of the adjusters.
Tighten the adjusters on the ring nut side opposite to that featuring flats
until bringing the surfac ...