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:

Removal of the camshafts
Unscrew and remove the screws (7) and the o-rings (8) from the cylinder head covers. Remove the cylinder head cover (6). Remove the gaskets (4) and (9). Repeat the same procedure for the other cylinder head cover. Unscrew the screws (3) securing the camshaft supports. Withdra ...

Headlight control
This function allows you to reduce current consumption from the battery, by automatically managing headlight switchingoff. At key-on, the high beam and low beam lights are off. When the engine is started, the low beam lights turn on automatically; from this moment, "normal" operati ...

Indicator air - air temperature
This function shows the external temperature. Display limits: -39C - +124C In the event of a sensor fault (-40C, +125C or disconnected), a string of dashes "- - -" (not flashing) is displayed and the "vehicle/engine diagnosis - eobd" light comes on. Note When the vehicle is stopped, the ...

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