Ecu I.a.w. 15 M "4 - MOTO GUZZI CALIFORNIA JACKAL Werkstatt-Handbuch

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13 ECU I.A.W. 15 M "4"

The Weber injection-ignition system is a digital type
electronic control unit with micro-processor; it controls
the parameters relating to the engine fuel supply and
ignition:
• The quantity of fuel supplied to each cylinder in
sequence (1-2) in a single delivery.
• The fuel delivery start (injection timing) with respect
to each cylinder's intake;
• Spark advance. To calculate the above parameters,
the unit uses the following input signals:
- Absolute pressure;
- Intake air temperature;
- Oil temperature; ( or engine temperature)
- R.p.m. and timing;
- Battery voltage;
- Throttle position;
Disassembly:
• Remove the seat and the left hand-side body panel
as described in chapter 4 and 3 of section E;
• Detach connection "A" from the ECU;
• Unscrew the 4 screws "B" together with the washers
and remove the cable "C";
• Remove the ECU.
N.B.
During reassembly, remember to fit the ground
cable terminal "C" into the screw shown in the
figure.
N.B.
The model California EV manufactured in 1997 -
2000 until chassis number KD115749 is fitted
with the ignition system / injection with ECU P08
(big) placed under the passenger seat.
F
UEL SYSTEM