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:

Exhaust by-pass valve not working correctly
Fault codes Dds: exvl diagnosis -> position error, potentiometer, short circuit to ground or open circuit (s.C. Gnd or c.O.), Potentiometer short circuited to vdc (potentiometer s.C vdc). Dashboard: the error "exvl" (exhaust bypass valve) is shown on the service display. The eobd warning ...

Adjusting the rear shock absorber
The adjuster (1) located on the lower connection holding the shock absorber to the swingarm adjusts the damping during the rebound phase (return). The knob (2), located on the left side of the motorcycle, adjusts the preload of the shock absorber external spring. Turn the adjuster (1) clock ...

Instrument panel (dashboard)
The vehicle is equipped with two instrument panels: an lcd (1, fig. 3) Located on the handlebar containing the key indications (speed, rpm, coolant temperature and clock) and a tft colour display (2, fig. 3) Located in the tank fairing displaying trip information (riding style set, odometer, co ...

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