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:

Overhaul of the flywheel-alternator assembly
Examine the inner part of alternator rotor (24) for signs of damage. Check that the starter clutch is working properly and that the needle races do not show signs of wear or damage of any kind. If there is any malfunction, remove the whole assembly. Disassembling the generator flywheel U ...

Overhaul of the cylinder barrel/piston components
Overhauling the cylinder Check that the walls of the cylinder bore are perfectly smooth. Measure the cylinder bore diameter at 50 mm from the top face and determine the size class to which it belongs in accordance with the values specified in sect. 3 - 1.1Cylinder/piston. Repeat measurement o ...

Abs diagnosis
Note The on-screen icons used during this procedure are explained in a table at the end of this section. If the abs system is not working correctly, system diagnosis is possible through the dds diagnosis instrument. Turn on the dds diagnosis instrument (1) referring to the paragraph "tester ...

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