PIAGGIO Beverly 500 i.e. Workshop Manual page 174

Injection
ELECTRONIC CONTROL UNIT SIDE
SYSTEM SIDE
1 Throttle potentiometer power supply
2
3 Rpm indicator / consumption counter
4
5 86 electric fan remote control switch
6
7
8
9 EMS diagnostic connector
10 EMS diagnostic connector
11 Throttle potentiometer signal
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26 Continuous power supply
INJEC - 174
EMS CONTROLLER
Specification
-
Engine temperature
Stepper motor
Engine rpm sensor
-
Engine Speed sensor
Injector control
Stepper motor
Instrument panel
Decoder (serial)
Base power supply
Air temperature sensor
85 remote control switch
H.V. coil
Stepper motor
Sensor power supply
Control unit negative
Stepper motor
-
Beverly 500 i.e.
Desc./Quantity
+5 V
(+)
Stepper motor
(negative)
Stepper motor
(injection warning light- negative)
Overturn sensor
(positive)
(+)
(pump - injector - h.v. coil) (-)
(negative control)
Stepper motor
(-)
Stepper motor
(positive)