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:
Check the engine oil pressure
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
To measure the pressure of the lubrication circuit, use the engine oil pressure
test point (19) as described below.
Disconnect the wiring connector (f) of pressure switch (1) and rem ...
Fuel pressure test
Note
The on-screen icons used during this procedure are explained in a table at
the end of this section.
Undo the screws (2) and remove the flange cover (1).
Remove one of the two pipes of the fuel system (3).
Use the fuel pressure pipe (4) part no. 590.1.189.1A by connecting one e ...
Gear change pedal
When released, the gear change pedal (1, fig. 96)
Automatically returns to rest position n in the centre. This is
indicated by the instrument panel light n (2, fig. 4) Coming on.
The pedal can be moved:
down = press down the pedal to engage the 1st gear and to
shift down. At this point the n ...