Yamaha F225F Service Manual page 199

STBD
a
R/Y
Fuel injector input voltage:
Red/Yellow (R/Y)–Ground
12.0 V (battery voltage)
4. Turn the engine start switch to OFF.
5. Measure the fuel injector resistance.
Fuel injector resistance (reference data):
11.5–12.5 Ω at 20 °C (68 °F)
6. Remove the intake manifold (STBD).
7. Remove the fuse holder a, and then
disconnect the fuse holder coupler b.
R/Y
8. Disconnect the engine ECM coupler c.
PORT
a
9. Check the wiring harness for continuity.
a
Fuel control unit and component
b
c
b
2 1
18
c
114
a
0
1
2
3
4
5
6
7
88 87
97 96
8
104
9
10
A
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