AEB Leonardo 175 Mode D'emploi Et Garantie page 27

Component Description
The engine RPM signal can be read directly from the coil negative or from the tachometer.
It is essential that this input is connected for the "Leonardo" to work correctly.
VEHICLE CONFIGURATION
Ignition type or number of cylinders
COIL NEGATIVE
OR
RPM SIGNAL
Type of RPM signal
OPTIONAL CONFIGURATIONS
Overrev Option
Overrev engagement threshold
Inside the "Leonardo" there is a normally closed relay with its exits (30 and 87 A)
connected to the YELLOW wires. These wires can be utilised to open the following
circuits:
• INJECTORS: on those vehicles where the O.E.M. ECU does not perform injector
diagnostics, thus it is not necessary to use any simulation.
YELLOW WIRE
• CHECK - ENGINE INDICATOR.
UTILISATION:
• MEMORY RESET: in a case when, during alternative fuel operation, the O.E.M. ECU
INJECTORS
memorises anomalous sensor read - out.
CHECK - ENGINE
INDICATOR
VEHICLE CONFIGURATION
OR
YELLOW wires utilisation
MEMORY RESET
Fuel overlap duration
Is175 Rev. 240102 - 2
PROGRAMMABLE FUNCTIONS
3 cylinder
4 cylinder
5 cylinder
6 cylinder
8 cylinder
One coil for cylinder
Dual coil
Standard
Weak signal
PETROL TO ALT. FUEL SWITCHOVER
4000 ÷ 8000 RPM
PROGRAMMABLE FUNCTIONS
Injector disabling
Memory clear
0 ÷ 5 seconds
English
Pag. 27