Yamaha F400A 2022 - Page 227

ECM coupler layout
5-16
A-21 — —
A-22
Injector driver (direct
injection pump fail
[PORT])
Green
A-23 Sensor power source Orange
A-24
Injector driver (fuel
injector fail #6, #7)
Green
A-25
Injector driver (fuel
injector fail #1, #4)
Red
A-26 Main relay
Yellow/
Green
A-27 Fuel injector #1 Black
A-28 Fuel injector #4 White
A-29 — —
A-30 — —
A-31 — —
A-32 Ignition coil #8 Black/White
A-33 Ignition coil #7
Black/Or-
ange
A-34 Ignition coil #6 Black/Red
A-35 PTT relay (UP) Sky blue
A-36 Fuel injector #7 White
A-37 Fuel injector #6 Black
A-38
Propeller light (op-
tional)
Pink/Black
A-39 Ignition coil #5 Black/Blue
A-40 Ignition coil #4 Black/Blue
A-41 Ignition coil #3 Black/Yellow
A-42 Ignition coil #1
Black/Or-
ange
A-43 Ignition coil #2 Black/White
A-44 PTT relay (DN) Light green
B-1 — —
B-2 — —
B-3 — —
B-4 Ground Black
B-5 Ground Black
B-6 Ground Black
B-7 Ground Black
No. Connecting part Color
B-8 Unit ground Black
B-9 — —
B-10
House battery power
source
Red
B-11 Sensor power source Orange
B-12 — —
B-13
Low-pressure fuel
pump relay
Blue/Yellow
B-14
Fuel pressure sensor
(direct injection
pump) (PORT)
White
B-15
Fuel pressure sensor
(direct injection
pump) (STBD)
White
B-16
Fuel pressure sensor
(high-pressure fuel
pump)
White
B-17
Digital Electronic
Control 2 (L)
Blue
B-18 — —
B-19 — —
B-20
Engine temperature
sensor
Black/Yellow
B-21
Thermo sensor
(STBD)
Black/Yellow
B-22
Thermo sensor
(PORT)
Black/Yellow
B-23 — —
B-24 — —
B-25 Shift relay
Yellow/
Green
B-26
Digital Electronic
Control 2 (H)
White
B-27
Engine shut-off
switch
White
B-28 — —
B-29
Intake air pressure/
temperature sensor
(temperature)
Black/Yellow
B-30 — —
B-31 — —
No. Connecting part Color