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:

General maintenance indications
Useful tips Ducati recommends that you follow the instructions below in order to prevent problems and obtain the best end result: When diagnosing faults, primary consideration should always be given to what the customer reports about motorcycle operation since this information can highli ...

Vehicle pre-delivery
Transport packaging integrity check (if required); Removal from the transport packaging (if required); Motorcycle integrity check; Check of the supplied kit completeness (refer to the parts list supplied together with the bike packaging); Only if the bike is supplied in a crate: handle ...

The immobilizer system
For additional antitheft protection, the motorcycle is equipped with an immobilizer, an electronic system that locks the engine automatically whenever the ignition switch is turned off. The grip of each ignition key contains an electronic device that modulates the output signal from a special ...

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