Ducati Diavel
Free Service and Repair manuals

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:

Fuel tank
fuel tank Rubber pad Spacer Screw Hose Tray Y-fitting Hose Hose Filler cap Screw Complete hose guide Screw Hose clip Hose Screw Screw Sealing washer Screw Flange Sealing washer Spare parts catalogue Diavel abs fuel tank Diavel abs fuel system Diav ...

Changing the brake fluid
Warning Brake fluid is corrosive and will damage paintwork. Avoid contact with eyes and skin. In the case of accidental contact, wash the affected area thoroughly with plenty of running water. Changing the fluid in the front brake circuit Remove the cover (1) with the membrane from the front b ...

Fuel system circuit
The fuel system circuit consists of: An electric pump, driven by the injection relay, which is in turn controlled by the ecu (engine control unit) A fuel filter A pressure regulator Two injectors (one per cylinder, located downstream of throttle valve) The plastic mounting shown in t ...

2026 | www.dudiavel.com |