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:

Refitting the clutch-side crankcase cover
Clean and degrease mating surfaces on the clutch-side crankcase half cover and crankcase and ensure that locating bush (12) and the o-ring (11), located in correspondence with the oil way, are installed in the crankcase. Apply an even, regular bead of ducati liquid gasket (a) on the mating ...

Removal of the fuel tank
On the usa version remove the canister filter as indicated in sect. 8 - 10, "Removal of the evaporative emissions canister". Loosen and remove the front retaining screw (4) Remove the flange cover (a) by loosening the screws (b), disconnect the quick-release fittings (c) from the fl ...

Refitting the rear suspension
Lubricate the thread and underside of the special screw (1). Insert the lower side of the shock absorber into the swingarm and insert the screw (1). Tighten the screw (1) to a torque of 45 nm +/- 5% (sect. 3 - 3, Frame torque settings). Lubricate bushes (5) and (6) with recommended gr ...

2026 | www.dudiavel.com |