Yamaha F200B, Service Manual

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5
3. Turn the engine start switch to ON, and
then measure the input voltage at the
OCV coupler.
4. Turn the engine start switch to OFF.
5. Remove the OCVs.
6. Measure the OCV resistance.
7. Connect the battery leads to the OCV
terminals and check the operation of the
spool valve. Replace the OCV if the
spool valve does not operate.
8. Disconnect the battery leads.
9. Install the OCVs. See step 4 in “Installing
the cylinder head” (7-68).
10. Remove the intake manifold (STBD).
See “Removing the intake manifold” (6-
17).
11. Remove the fuse holder
1
, and then dis-
connect fuse holder coupler
c
.
12. Remove the engine ECM cover.
13. Remove the engine ECM, and then dis-
connect the engine ECM coupler
d
.
14. Check the wiring harness for continuity.
OCV input voltage:
Red/Yellow (R/Y)–Ground
12.0 V (battery voltage)
OCV resistance (reference data):
6.7–7.7
Ω
at 20 °C (68 °F)
a
PORT
R/Y
b
STBD
R/Y
1
c
d
Engine control system and component