Ducati Diavel Service Manual: Horn not working
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
Location of connections and components
(A) injection relay; (b) etv relay (throttle valve operating engine); (c)
radiator fan relay; (d) hands free relay.
Fuses located at the rear left of ...
Turn indicators not working
Fault codes
Dds: no fault code displayed.
Dashboard: no fault code displayed.
Wiring diagram
Db dashboard connection, bbs bbs unit connection, s turn indicator button, f1
front left turn i ...
Other materials:
Refitting the cylinder/piston assembly
If new units are used, it is necessary to couple the cylinders and pistons of
the same selection (see paragraph "overhaul Of the cylinder
barrel/piston components" of this section).
If the pistons have been separated from their cylinders, before reassembling
these components, position the p ...
Refuelling
Never overfill the tank when refuelling. The fuel level should
always be below the rim of the filler recess.
Warning
Use low-lead fuel with 95 octane rating at origin
minimum (see "top-ups" table, page 173).
Check that no fuel is trapped in the filler cap recess.
...
Refitting the water pump
Clean the seat on the cover, any parts you intend to reuse, and the impeller
shaft. Then refit as follows.
Fit on the impeller (10) shaft the mechanical seal (9) as indicated in the
figure.
Apply specified lubricant to facilitate the insertion.
Bring the mechanical seal fully home on th ...