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:

Removing the electrical components support
Remove the following elements located inside the electrical components support: The battery fixing bracket (4) and the battery (14) as specified under section 6 - 2, battery; The voltage regulator (3) as specified under section 6 - 2,rectifier-regulator; The solenoid starter (18) ...

Refitting the timing gears
Before reassembling the removed parts, check timing gears (13) for wear. Change, if necessary. Important The timing gears (13) must always be renewed as a pair. Refitting is the reverse of removal. Warning When introducing the driven gear (b) check that the tongue (15) is correctly fitted o ...

Indication of range reached for service
When service coupon threshold is achieved, upon every key-on the system displays the indication of the type of intervention that is required (oil service or desmo service). The (red) warning is activated as a large icon for 10 seconds upon every key-on (1) then as a small warning that remai ...

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