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:

Operating principle
Introduction The hands free system features two separate on/off buttons, either one of which may be used as preferred by the rider. For practical reasons, we recommend using the button on the handlebar rather than the button located underneath the plastic shield covering the hands free syst ...

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 ...

Removal of the licence plate holder
Disconnect connector (5) of the number plate holder wiring from the main one. Release the number plate holder light cable from the ties and the cable grommets as indicated in sect- 7 - 6, flexible wiring/hoses positioning, since the cable is together with the rear abs sensor cable. ...

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