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Is215-2 Rev. 110105-2
LEONARDO
(AEB175 and AEB175OI versions)
MAIN MENU
When the hand-held tester is connected to the LEONARDO E.C.U., the main menu includes five options:
• DISPLAY PARAMETERS;
• VEHICLE CONFIGURATION;
• OPTIONAL CONFIGURATIONS;
• DIAGNOSIS;
• ORIGINAL INDICATOR (this option is not displayed with the AEB175OI ECU’s).
DISPLAY PARAMETERS (Fig. 5)
This option consists of two pages (to switch from one page to the
other, use the “arrow” keys
w
w
w
w
w
and
x
x
x
x
x
- see page 40) to display the
parameters needed to verify for the correct operation of the E.C.U.:
• First page (Fig. 6)
The display parameters are:
ACT:
real time indication of the position of the stepper motor expressed
in steps.
DEF:
average operational position (default) of the actuator.
This position is memorized by the E.C.U. and expressed in steps.
RPM:
real time indication of engine RPM.
TPS:
real time indication of the THROTTLE POSITION SENSOR signal
voltage, expressed in volts (V).
The four marks beside the T.P.S. value graphically display the position
of the butterfly and provide the following indications:
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™
™
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ššš
ššš
ššš
ššš
Idle T.P.S..
ššššš™
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™
™šš
šš
šš
šš
šš
Out-of-idle T.P.S..
šš
šš
šš
šš
šš ™
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™ššššš
T.P.S. in learning area. The memorized default position
can be updated by the E.C.U..
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ššš
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ššš™
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T.P.S. in full power area.
LBD:
real time indication of the Oxygen Sensor signal voltage,
expressed in volts (V).
The three marks beside the Oxygen Sensor value graphically display
the carburetion status:
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™šš
šš
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Lean mixture
ššššš™
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Stoichiometric mixture or cold sensor
šš
šš
šš
šš
šš™
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Rich mixture
• Second page (Fig. 7)
MODE:
indicates whether the E.C.U. works on GAS or PETROL.
LEVEL:
absolute value showing the quantity of the GAS in the tank.
EDGE:
indicates when the stepper motor has reached the opening
and closing blocks by displaying both the number of steps at which
the stepper motor has stopped and an arrow indicating whether the
opening or closing limit has been reached.
CUT-OFF:
indicates if the fuel Cut-Off mode is ON or OFF.
MAIN MENU
DISPLAY
PARAMETERS
Fig. 5
Fig. 6
ACT 95 DEF 100
RPM 1700 RPM
TPS 0.80 V
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™ššš
ššš
ššš
ššš
ššš
LBD 0.20 V
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Fig. 7
MODE = PETROL
LEVEL = 85
EDGE = 138
↑↑↑↑↑
CUT-OFF = OFF
DISPLAY PARAMETERS
LEONARDO
Summary of Contents for AEB215
Page 187: ......