Checking The Oil Pressure Sensor - Yamaha F225F Service Manual

ELEC
9. Disconnect the battery leads.
10. Remove the intake manifold (STBD).
11. Remove the fuse holder a, and then
disconnect the fuse holder coupler c.
12. Disconnect the engine ECM coupler d.
13. Check the wiring harness for continuity.
5-33
Electrical system
a
c
d
c
a
2 1
d
b
2 1
Wiring harness continuity:
a Terminal 1–d Terminal 49
a Terminal 2–c Terminal 18
b Terminal 1–d Terminal 50
b Terminal 2–c Terminal 18
14. Install the OCV, and then connect the
OCV couplers a and b.
15. Connect the engine ECM coupler d.
16. Connect the fuse holder coupler c, and
then install the fuse holder a.
17. Install the intake manifold (STBD). See
"Installing the intake manifold" (6-16).

Checking the oil pressure sensor

1. Disconnect the oil pressure sensor cou-
pler a.
a
2. Turn the engine start switch to ON, and
then measure the input voltage at the oil
pressure sensor coupler.
18
50 49
B O