Yamaha F200B Service Manual page 167

3. Turn the engine start switch to ON, and
then measure the input voltage at the
OCV coupler.
PORT
R/Y
b
OCV input voltage:
Red/Yellow (R/Y)–Ground
12.0 V (battery voltage)
4. Turn the engine start switch to OFF.
5. Remove the OCVs.
6. Measure the OCV resistance.
OCV resistance (reference data):
6.7–7.7 Ω at 20 °C (68 °F)
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.
R/Y
a
STBD
Engine control system and component
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.
1
12. Remove the engine ECM cover.
13. Remove the engine ECM, and then dis-
connect the engine ECM coupler d.
d
14. Check the wiring harness for continuity.
5
c
5-38