Fuel Control System; Checking The Water Detection Switch - SELVA MARINE Grey Whale 200 EFI Service Manual

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5. Measure the oil control valve resistance.
Replace the oil control valve if out of
specification.
Oil control valve resistance:
6.7–7.7 Ω at 20 °C (68 °F)
6. Connect the battery leads to the oil con-
trol valve terminals and check the opera-
tion of the spool valve. Replace the oil
control valve if it does not operate.
7. Disconnect the battery leads from the oil
control valve terminals, and then connect
the oil control valve couplers.

Fuel control system

Checking the water detection switch

NOTE:
Be sure to check the water detection switch
each time the fuel filter is checked.
1. Disconnect the water detection switch
coupler (blue).
2. Connect the test harness (2 pins) 1 to
the water detection switch coupler (wiring
harness end) 2.
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Electrical system
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3. Turn the engine start switch to "ON," and
then measure the input voltage at the
water detection switch coupler (wiring
harness end). Check the wiring harness
if out of specification.
2
B B
Test harness (2 pins) 1:
90890-06867
Water detection switch input voltage
(reference data):
Blue/white (L/W)–Black (B)
4.75–5.25V
4. Turn the engine start switch to "OFF."
5. Disconnect the test harness (2 pins) 1
from the water detection switch coupler
8
(wiring harness end) 2.
6. Remove the fuel filter cup assembly.
NOTE:
Do not twist the water detection switch lead
when removing the fuel filter cup assembly.
7. Check the water detection switch for con-
tinuity with the float in positions È and
É. Replace the fuel filter cup assembly if
out of specification.
1
B L/W
2
1
G G/W
L/W
B
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