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:

Refitting the exhaust system
Refit the heat guard on the manifold (10) by tightening the nuts (9) to a torque of 10 nm +/- 10% (sect. 3 - 3, Frame torque settings). Position the vertical exhaust manifold (22) on the vertical cylinder head with the gasket (23). Tighten the fixing nuts (21) to a torque of 10 nm +/- 1 ...

Checking brake and clutch fluid level
The levels should not fall below the min marks on the respective reservoirs. If the level is too low, air can get into the circuit, thus impairing the efficiency of the system. Brake and clutch fluid must be topped up and changed at the intervals specified in the scheduled maintenance table ...

Checking the coolant level
To the specified intervals in the "scheduled maintenance chart" (sect. 4 - 2) Check the coolant level contained in the expansion reservoir, on the right side of the vehicle. The coolant level must be between the max. And min marks on the tank. If the level is low, top up with the recommende ...

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