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Diagnostic instruments
Warning
Idle speed adjustment takes priority over balancing the vacuum pressures downstream of the butterfly valve. Differences
in pressure between the horizontal and vertical cylinder are therefore acceptable, provided that the idle speed is adjusted
correctly.
- If you are unable to attain the desired idle speed setting, try reducing the vacuum differential downstream of the
butterfly valve as described in the following paragraph
"Throttle body
balancing".
- Repeat the entire idle speed adjustment procedure.
Throttle body balancing
Connect the Measurement Module cable (4) tool part no. 97900.0222 to the DDS Measurement Module connector, as
described in the paragraph
"Description of the Ducati Diagnostic System
tester".
Connect the cable (4) connectors (A) and (C) to the depression/pressure pipes (5) part no. 97900.0220 and to the latter
the fittings (6) part no. 97900.0221.
Turn on the DDS diagnosis instrument referring to the paragraph
"Tester power
supply". Enter the "Measurement module"
function. Press the "Cylinder synchronisation" icon.
The socket to which the Measurement Module cable (4) is to be connected is indicated on the screen with a capital letter:
A, B or C.
Remove the screws (7) on the intake manifolds and install the unions (1) part no. 88713.1010 in place of the removed
screws.
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