Ducati Diavel
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Ducati Diavel Service Manual: On-board computers and the can line

The following on-board computers make up the electrical system of the diavel and are connected with each other via the can line (or network):

On-board computers and the can line


The drawing illustrates the network connecting the different computers ('nodes') on the diavel. The dtc system is not a separate unit and is integrated in the bbs.

The main characteristics of the computers used on the diavel are described as follows:

The networked connection of the individual computers (nodes) creates a distributed system in which the nodes may communicate with one another and coordinate their actions by exchanging messages. This offers the following advantages:

The network allowing communication between the different nodes on the diavel is a serial (bus) type can (controller area network) network. Each node contains a circuit that can transmit and receive data to and from the network in accordance with priorities defined by specific bits included within the data itself (the message travelling over the network is always the one with the highest priority). As a result, the can bus network does not need to be managed with a specific centralised arbitration procedure that defines the priorities with which the elements connected to the network must communicate.

Each message travelling over the can network consists of a "train" of electrical impulses containing, as mentioned previously, the priority - in other terms the type of message - the data itself, the confirmation of reception and other data necessary for correct transmission and reception. The train of impulses is transmitted to the bus, which consists of two wires - can h and can l. Each node extrapolates the message and, as a result, the data contained, processing the Sequences of impulses received from on the can h and can l wires independently. This ensures superior reliability, as any interference in the electrical signals is effectively subtracted and eliminated.

On-board computers and the can line


One drawing shows the typical voltages on the can h and can l wires for each electrical impulse contained in the train "transporting" information shared by the nodes connected to the network. The other drawing shows the signal extrapolated by each node from the difference between the two former signals.

In short, the advantages of using the can bus are as follows:

Note that the control function for the electrical impulses travelling over the can network has no validity for diagnostic purposes, as the information contained in the trains themselves cannot be identified.

Introduction to the electrical system of the diavel
...

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 ...

Other materials:

Removing the flywheel - generator assembly
Use the tool 88713.3367 Fixed to the m10 side stand fixing holes (d). Secure the tool to the flywheel with the screws (e). Unscrew the alternator-flywheel retaining nut (15). Warning While unscrewing the nut, apply axial pressure to the socket to avoid damage or injury in the event of the ...

Refitting the side stand
Place the stand plate on the rear shock absorber support; bring adjuster (14) in line with bracket (s) and start the screw (12) in the nut behind the bracket (s). Insert the screws (11), (3) and (10) fully home in this order, but do not tighten. Loosen the screw (12) with the relative nut ...

Residual range indication when the service is due
After resetting the first oil service warning (triggered at 1000 km), upon every key-on the system displays the indication of which type of service should be performed next (oil service or desmo service) and the residual range. A (green) warning (1) is activated for 2 seconds on every key-on ...

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