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:

Checking valve lift
Set the engine to the configuration described for the "checking and adjusting the valve clearances", previously indicated. Position the tool 88765.1518 On the cylinder head: the part marked "a" should be on the intake side and the part marked "s" should be on the exhaust side. Seat the pl ...

Hands free key (hf) not recognised
The activation of this (amber yellow) "warning" indicates that the hands free system does not detect the active key (1, fig.62) Near the vehicle. Note Check that the active key (a) is near the vehicle (and has not been lost) or that it works properly. ...

Refitting the expansion tank
If the support (15) has been removed, place the hose clamps (14) on the bracket (15) orienting them as indicated. Fully press the pins (a) to block the clamps (14) until pins surfaces (b) are at the same level of the clamps (14) surfaces. Apply recommended threadlocker to the thread of the ...

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