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Engine speed
The crankshaft revolutions per minute.
Fall detection (if fitted)
The fall detection switch will detect if the motorcycle is on its side and will cut power to
the engine ECM immediately.
If the fall detection switch is fitted, the inertial measurement unit (IMU) will not be fitted.
Freeze-frame
A data set captured at the time a Diagnostic Trouble Code (DTC) is set.
Gear position sensor
Gearbox mounted sensor which delivers information to the engine ECM. This is
converted to the gear position value that is displayed on the instrument's gear position
indicator and/or neutral lamp.
Idle fuel trim
The percentage above or below the nominal fuel requirement for the volume of air
entering at idle.
Idle fuelling
Adjustment of fueling at idle to suit the actual air inducted.
Idle reference speed
The target idle speed as determined by the engine Electronic Control Module (ECM). (It
should be the same as the actual idle speed if the motorcycle is operating correctly).
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