Yamaha F150B Service Manual page 55

Circuit diagram
Pulser coil #1
Pulser coil #2
TPS
Air pressure sensor
Ground
Engine temperature sensor
Air temperature sensor
Shift cut switch
Engine shut-off switch
Neutral switch
YDIS
Main switch
Rectifier
Regulator
Battery
Same marks are connected by each other.
14
15
10
34
33
8
35
22
Engine
7
ECM
44
9
4
31
32
42
26
30
13
16
Main relay
Electronic control system
Ignition coil #1 and #4
Ignition coil #2 and #3
0
1
2
3
4
5
6
7
8
9
10
A
2-12