Triumph Daytona 955i, Service Manual

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Idle reference speed
The target idle speed as determined by the Electronic
Control Module (ECM). (it should be the same as the
actual idle speed if the motorcycle is operating correctly.)
Ignition advance
The timing of ignition at the spark plug relative to top
dead centre.
Ignition switch position
The 'on' or 'off' position of either or both the ignition
switch and the engine stop switch.
Ignition timing
Same as 'Ignition advance'.
Injector pulse time
The time during which an injector remains open.
MR
Malfunction Indicator Lamp.
Illuminates when Diagnostic Trouble Codes (DTC's) are
set.
Neutral switch status
The 'neutral' or 'in gear' status of the gearchange.
Off idle fuel trim
The percentage above or below the nominal fuel
requirement for the volume of air entering at engine
speeds other than idle. This function is not currently
used in the Triumph system.
Open circuit
A break in an electrical circuit — current cannot flow.
Over temp'
High temperature within the Electronic Control Module
(ECM) caused by an internal or external failure.
Purge valve duty cycle
The time the purge valve is open in an open / close cycle,
expressed as a percentage of the cycle time.
Sensor reference voltage
Supply voltage to certain sensors (nominally 5 volts).
FUEL SYSTEM/ENGINE MANAGEMENT 9
Short circuit
A 'short cut' in an electrical circuit — current by—passes
the intended circuit (usually to earth).
Sidestand status
The 'up' or 'down' position of the side stand.
Target dwell time
The actual time from coil 'on' to coil 'off'.
Throttle position
The position of the throttle butterfly given as a
percentage of the movement range. When the data is
displayed on the tool, fully open need not be 100% nor
fully closed 0%. Generally, fully open will be in the 70%
range. (See also corrected throttle position).
Throttle voltage
Voltage at the throttle potentiometer.
Vbatt
Battery voltage.
Vehicle speed
The road speed of the motorcycle.
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