APRILIA Scarabeo 500 Workshop Manual page 53

SCARABEO 500
SCREEN DESCRIPTION
ENGINE
PARAMETER
READING
Water temperature
Air temperature
Engine rpm
Target idle rpm
Ignition advance
Trimmer TPS
Idle motor
Battery voltage
Engine phase number within
which more than a tooth
was missed
beginning of the trip
Engine phase number within
which just a tooth was
missed since the beginning
of the trip
Actual
difference
Lambda correction
Lambda sensor
Injection time
Atmospheric pressure
Partial load self-adaptation
Idle control self-adaptation
Gain control adaptation
APPROXIMATE
VALUES
-
-
-
1700
-
50
-
0/1
since the
0/1
to target steps
1
100-900
-
760
UNIT OF
NOTES
MEASURE
°C Measured with sensor on engine
Temperature
intake (sensor in throttle housing). Note
°C
that the temperature at the instrument
panel is measured by a different sensor
Measured
rpm
sensor
The ECU attempts to bring the engine
rpm
to this target speed (depending on
engine temperature).
° Ignition advance relative to TDC
Stepper (idle) motor position, example
Steps
value measured with warm engine
V Voltage measured at battery terminals
1 if many teeth are missing
1 if one tooth is missing
Difference between target and actual
Steps
steps of the stepper motor
The value must vary around 1 when the
ECU uses the oxygen sensor signal to
-
keep combustion
stoichiometric value
Voltage of the signal of the Lambda
mV sensor: this is a fixed value when the
circuit is interrupted
ms Injector activation time
Atmospheric
mmHg
mapping)
Parameter
mg/cc
lambda sensor when under partial load
Parameter
mg/cc
lambda sensor at idle speed
Parameter
%
lambda sensor at full load
FUEL SYSTEM
measured at engine
with crankshaft speed
close to the
pressure of air (for
for self-adjustment of
for self-adjustment of
for self-adjustment of
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