Checking The Oil Control Valve - SELVA MARINE Grey Whale 200 EFI Service Manual

7. Turn the engine start switch to "ON," and
then measure the output voltage when
moving the screwdriver close to the sen-
sor. Replace the cam position sensor if
out of specification.
È
5
NOTE:
Be sure to move the screwdriver in front of
the cam position sensor in direction È as
shown, otherwise the correct output voltage
measurement cannot be obtained.
Cam position sensor output voltage:
White/blue (W/L) – Black (B)
(PORT EX)
White/black (W/B) – Black (B)
(STBD IN)
Position
a, c
b
White/green (W/G) – Black (B)
(PORT IN)
Position
a, c
b
8. Turn the engine start switch to "OFF."
9. Disconnect the wire leads.
10. Install the cam position sensors.
6AL3J11
a b c
È
S6AL8760
Voltage (V)
More than 4.8
Less than 1.0
Voltage (V)
Less than 1.0
More than 4.8
Variable camshaft timing control system
11. Connect the cam position sensor cou-
plers, and then install all parts removed
during disassembly.

Checking the oil control valve

1. Check the operation of the oil control
valves using the "Stationary test" of the
YDIS and listen for the operating sound.
2. Disconnect the oil control valve couplers.
3. Turn the engine start switch to "ON," and
then measure the input voltage between
the oil control valve coupler and ground.
Check the wiring harness if below specifi-
cation.
PORT
Oil control valve input voltage:
Red/yellow (R/Y) – Ground
12 V (battery voltage)
4. Turn the engine start switch to "OFF."
STBD
Pu
R/Y
S6AL8680
8-36
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