Battery Charging System; Checking The Battery Charging System; Recharging The Battery - Ducati Diavel Workshop Manual

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Battery charging system

2 -Battery charging system

To check the current flow of the recharging circuit, use the "DDS" diagnosis instrument, which is equipped with an

inductive clamp-type amperemeter: refer to chapter

"Testing the battery charging

system", Sect. 6 - 11

With the DDS diagnosis instrument you can determine the engine rpm required for the alternator to produce sufficient

current to charge the battery, feed the injection/ignition system and all the electrical equipment on the motorcycle. When

applied to a cable, the clamp-type amperemeter detects the magnetic field generated by the current passing through that

The tester performs an automatic calibration routine using its own transducer. If the measured current is a positive

quantity, it means that generator is feeding all electric items and charging battery at the same time. A negative value

means that charging system is not powering the loads and a significant amount of current must be supplied by the

battery, which is discharging at the time of the measurement.

Or it is possible to use a multimeter (Sect. 6 -11,

instruments); connect the multimeter probes to the battery

terminals, select the DC scale on the instrument and check for the presence of 14.5 V±0.5 at an engine speed of

If polarity is reversed when clamping the ammeter onto the cable, the sign of the readings will also be reversed, giving

rise to incorrect diagnosis.

Examine the label on the battery showing the check intervals in order to determine when to test the voltage.

Charge the battery if the open circuit voltage is lower than 12.8 V. Leaving the battery discharged for more than one

month could damage it. Check the battery charge with a voltmeter.

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