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:
On-board computers and the can line
The following on-board computers make up the electrical system of the diavel
and are connected with each other via the
can line (or network):
Master dashboard
Slave dashboard
Hands free (facilitated keyless start system)
Ecu (engine control unit)
Bbs (black box system or central elect ...
Operating principle of dtc
The bbs receives the front and rear speed information from the abs over the
can. Then, the bbs sends the vehicle speed
information to be displayed on the dashboard over the can.
If the tangential speed of the rear wheel exceeds the tangential speed of the
front wheel by a given percentage, t ...
Disassembling the water radiator unit
The procedure is the same for both radiators.
Loosen the screws (15), (21) and (25) to remove the air duct (24) from the right
radiator (13).
Undo the screws (12) and (14) to remove the half-fairing (23) from the
radiator.
Radiator inspection
Visually inspect the oil co ...