Yamaha F225F Service Manual page 194

ELEC
Cam position sensor output voltage:
White/Black (W/B)–Black (B)
(STBD IN)
White/Green (W/G)–Black (B)
(PORT IN)
White/Blue (W/L)–Black (B)
(PORT EX)
Position
g, k
h
TIP:
Using analog circuit tester is recommended.
11. Turn the engine start switch to OFF.
12. Disconnect the test leads, and then
install the cam position sensors d.
13. Install the fuel rails.
14. Install the high-pressure fuel pump fuse.
15. Remove the intake manifold (STBD).
16. Remove the fuse holder e, and then
disconnect the fuse holder coupler m.
17. Disconnect the engine ECM couplers n
and p.
5-31
Electrical system
Voltage
More than 4.8
Less than 1.0
e
m
p
n
18. Check the wiring harness for continuity.
a b
2 1
n
40 39
47
Wiring harness continuity:
aTerminal 1–Terminal 77
aTerminal 2–Terminal 47
bTerminal 1–Terminal 77
bTerminal 2–Terminal 40
cTerminal 1–Terminal 77
cTerminal 2–Terminal 39
19. Set the digital circuit tester to the diode
mode, and then check the wiring harness
continuity.
a b
3 3
m
c
2 1 2 1
p
77
c
3
18