A
B
C
A
C
D
E
F
G
H
I
L
M
N
O
P
26
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
B
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 saddle as described in chapter 4, 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.
F
UEL SYSTEM