Yamaha F150B - Circuit Diagram

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