Ducati Diavel
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Ducati Diavel Service Manual: Operating principle of dtc

The bbs receives the front and rear speed information from the abs over the can. Then, the bbs sends the vehicle speed information to be displayed on the dashboard over the can.

If the tangential speed of the rear wheel exceeds the tangential speed of the front wheel by a given percentage, this indicates that the rear wheel is wheelspinning excessively. At this point the dtc intervenes, requesting the ecu to reduce engine torque. A number of other sensors are also included inside the bbs to determine if the vehicle is wheeling, in which case the dtc will not intervene until a predetermined vehicle speed is reached. To ensure that the ducati traction control functions correctly, never fit tyres other than those authorised by ducati. On the diavel there are 8 different dtc levels (from 1 to 8):

  1. Sporty riding on a road for expert users and on track. It is the default setting of the sport riding mode.
  2. Riding on a road for expert users (sport-touring).
  3. Normal riding on a road it is the default setting of the touring riding mode.
  4. Normal riding on a road for less expert users (touring 2).
  5. Riding in town it is the default setting of the urban riding mode.
  6. Riding in town for less expert users (urban 2).
  7. Riding with moderately wet ground (wet).
  8. Riding with wet ground (rain).

The dtc may be disabled by the rider.


The dashboard specifically indicates if dtc is enabled or if it has been disabled by the rider.

In the event of internal bbs faults relative to the dtc function, the dds shows the following messages relative to bbs/dtc diagnosis:

Warning

Faults relative to dtc are only detected if dtc is enabled. In the event of any wheel speed sensor faults or internal bbs faults, dtc is disabled.

Fault indication
The dds (diagnosis ducati system) indicates all active errors and all inactive but stored errors gathered by the bbs. A simplified summary of the active errors is also shown in the master dashboard ...

Riding modes
The rider may select between four different riding modes (sport, touring, urban and enduro) from the dashboard and via the "turn indicator reset" button (3). Each riding mode contains settings for ...

Other materials:

Hands free system key-on and key-off
Key-on consists in turning on the hands free system and all of its electronic devices. Key-off consists in turning off the hands free system and all electronic devices, and makes sure the engine is turned off. Key-on is done using the button (6) on the handlebar on the right switch or using ...

Removal of the shock absorber support
Remove the rear brake master cylinder (sect. 7 - 4, Removing of the rear brake control). Remove the rear shock absorber (see removal of the rear shock absorber of this section). Loosen the screws (2) and (7) and their nuts (35). Remove the side stand (sect. 7 - 16, Removing of the ...

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 ...

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