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
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 left hand handlebar switchgear set connection.
Location of horn with relative connection.
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:
Wiring diagram of the hands free system
The diagram illustrates the inputs, outputs and communication lines used by
the hands free system.
1I - on/off button placed on the hands free system (located below the plastic
cover)
2I - on/off button placed on the bike handlebar rh side
3I - steering position micro-switch
4I - steerin ...
Anti-pollution system and auto-adaptive strategy
Efficacy of the catalytic converter and oxygen sensors
To comply with current emissions legislation, the diavel is equipped with a
trivalent catalytic converter, which oxidises co
(carbon monoxide) and hc (unburnt hydrocarbons) and reduces nox (nitrogen
oxides).
The image shows the exhaus ...
Introduction to the "hands free" system
The hands free system allows the rider to start the engine without physically
using the ignition key. The ignition key
merely has to be in the vicinity of the motorcycle, such as in the rider's
pocket, for example, in order to use the vehicle.
Compared to the standard ignition switches the h ...