The "dds" diagnostic system lets you diagnose any faults in the injection-ignition system via a serial port. The system is also equipped with functions to test various devices on the motorcycle. The dds diagnosis instrument can be used to measure current and voltage on any electrical device, to perform tests on individual components and to measure pressure and temperature values.
The dds (1) part number 97900.0215 Consists of a palmtop display (a), a bbad self-diagnosis module (b) and a display memory card (c).



The touch-screen display unit (a) serves for both data display and input, using the stylus housed on the side of the unit.
The self-diagnosis module (b) enables communication between the dds diagnosis instrument (1) and the motorcycle’s on-board electronic control unit (ecu).
The user interface software resides in the display memory card (c) which is housed in the palmtop display unit (a).
The display unit is equipped with two connection panels: one at the top of the instrument and one at the bottom.
The top connection panel has 6 connection sockets with the following functions:

The bottom connection panel has 3 connection sockets with the following functions:

You can connect a printer to the dds diagnosis instrument (1) to print test reports: connect the printer to the serial port (com1) (g) located on the top connection panel of the tester (1).
Technical data
Power supply:
Components supplied with the dds diagnosis instrument
The dds diagnosis instrument (1) is supplied in a kit together with the following items:
Using a multimeter to check the electrical systems
Tester power supplyRefitting the timing gears
Before reassembling the removed parts, check timing gears (13) for wear.
Change, if necessary.
Important
The timing gears (13) must always be renewed as a pair.
Refitting is the reverse of removal.
Warning
When introducing the driven gear (b) check that the tongue (15) is
correctly fitted o ...
Checking drive chain tension
Important
Have chain tension adjusted by a ducati dealer or
authorised service centre.
Make the rear wheel turn until you find the position where
chain is tightest.
Set the vehicle on the side stand. Push down the chain at the
point of measurement and release.
Measure the distance betwee ...
Removal of the generator cover
Note
This operation is described for an engine removed from the frame since all
reassembly procedures are easier with the
engine on the bench.
Disconnect the connector (a) from the generator cable.
Unscrew the two retaining screws (7) of the centre cap (6) over the end of
the cranksh ...