Yamaha F400A 2022 - Page 582

A-19
Wiring diagram
1. Engine ECM
2. BONDER 8
3. BONDER 5
4. Propeller light
5. Steering actuator
6. Engine battery
7. Electrical management box (fuse box)
8. PTT motor
9. Joint connector 1
10. Joint connector 2
11. PTT buzzer
12. PTT switch
13. PTT sensor
14. BONDER 2
a. Fuse (100A) (SCU)
b. Fuse (70A) (house battery)
c. Fuse (70A) (house battery)
d. Fuse (70A) (engine battery)
e. Fuse (70A) (engine battery)
f. PTT relay
g. Main relay
h. Fuse (30A) (main)
i. Fuse (20A) (injector driver)
j. Fuse (20A) (injector driver)
k. Fuse (30A) (starter motor)
l. Fuse (15A) (shift actuator)
m. Fuse (10A) (ETV)
n. Fuse (30A) (high-pressure fuel pump
system)
o. Fuse (20A) (Digital Electronic Control)
p. Fuse (10A) (Digital Electronic Control
ECM)
q. Injector driver relay
r. Injector driver relay
s. Starter relay
t. Shift actuator relay
u. ETV motor relay
v. High-pressure fuel pump relay
w. Fuse (10A) (low-pressure fuel pump)
x. Fuse (15A) (high-pressure fuel pump
[main])
y. Fuse (15A) (high-pressure fuel pump
[sub])
A. To Digital Electronic Control