PIAGGIO 500 cc, Service Manual

Page: 121 / 239

Fuel injection
9 - 9
9
EMS SYSTEM DIAGRAM
86 85
30 87
OFF
RUN
12
8
14
15
1 2 3
86
87 30
85
86 85
30 87
86
85
30 87
A1 A2 B1 B2
10
22
19
12
5 20
7
3 15 13 22 4 18 11 1 14 24 21 6
23 16 17 9 26 10
2
2
8
3
6
4
1 2
DOWN UP
1
2
3
4
5
6
7
11
16
17
18
19
20 21
23
24
25
26
27
28
9
13
1) Electrical fan electromagnetic switch
2) Electrical fan
3) Electromagnetic switch
4) H.V. coil
5) Fuel pump
6) Digital instrument
7) Injector
8) Liquid temp. sensor
9) Air temp. sensor
10)Throttle potentiometer
11)Stepper motor
12)EMS control unit
13)Aerial
14)Decoder
15)EMS diagnosis socket
16)Phase revolutions sensor
17)Deviation stand
18)Emergency switch
19)2A diode 20)3A Fuse
21)Engine stop electromagnetic switch
22)Services electromagnetic switch
23)Key switch
24)Rectifier regulator
25)10A Fuse
26)30A Fuse
27)5A Fuse
28)Services