Ducati Diavel
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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

Horn not working


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 connections and components


Location of left hand handlebar switchgear set connection.

Location of connections and components


Location of horn with relative connection.

Location of connections and components


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:

Recovery in the event of flat active key battery
If the active key battery is running low or is flat, the hands free system shows the relative icon on the dashboard. The following image shows the icon appearing on the circular area of the dashboard: this indicates that the active key battery is flat. For the replacement procedure of t ...

Instrument panel (dashboard)
The vehicle is equipped with two instrument panels: an lcd (1, fig. 3) Located on the handlebar containing the key indications (speed, rpm, coolant temperature and clock) and a tft colour display (2, fig. 3) Located in the tank fairing displaying trip information (riding style set, odometer, co ...

Refitting the oil pump
If removed, apply specific threadlocker on the bushing (7) outer thread, and screw it in the crankcase half, observing the height. Position the reference bushings (15) and the oil sealing o-rings (2) and (4) according to the crankcase lubrication channels. Position the oil pump on th ...

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