Circuit Diagram - Yamaha F150B Service Manual

ELEC

Circuit diagram

TIP:
The circled numbers in the illustration indicate the engine ECM terminal numbers.
Pulser coil #1
Pulser coil #2
TPS
Air pressure sensor
Oil pressure sensor
Water pressure sensor
Speed sensor
Engine temperature sensor
Air temperature sensor
Shift cut switch
Engine shut-off switch
Thermoswitch
Trim sensor
Water detection switch
Neutral switch
Rectifier
Regulator
Battery
Same marks are connected by each other.
5-11
Electrical system
14
15
10
34
33
29
11
12
Ground
8
35
7
9
4
37
36
5
31
32
42
YDIS 26
13
Engine start switch
40
39
41
17
20
18
21
19
22
44
24
28
Engine
ECM
27
3
2
25
High-pressure fuel pump
43
1
23
30
16
Main relay
Fuel injector #1
Fuel injector #2
Fuel injector #3
Fuel injector #4
ISC
Ignition coil #1, 4
Ignition coil #2, 3
Oil pressure lamp
Over heat lamp
Diagnostic flash indicator
Alert buzzer
BZ
Tachometer
T
Water detection lamp
P
6Y8
Multifunction
Meter