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:

Refitting the air filters
Apply universal sealant in the air duct (2) and (6) groove (d). Fit seal (7) in the groove (d) having care to place it correctly in the relevant seat so as to avoid abnormal wrinkles. Pull out the filter cartridge (1) from the seat in the airbox. Position the rh air duct (2). Start ...

Removing the water radiators
Loosen the screws (p) that retain the supports (s) of the front splashguard to the air ducts (24) and (26). Loosen the screws (30), to separate the two internal air ducts (24) and (26). Disconnect the wiring connectors of the main wiring loom (c) from both fans. Disconne ...

Reassembly of belly fairing
Position the oil cooler shield (7) inserting the tab (a) into the slit (b) in the electrical components support (s). Note On refitting, make sure that the tab (c) remains positioned under the retainers (d) of the shield (7). Fit clips (11) on bracket (13) and orient them as shown in the f ...

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