175
OILING SYSTEM
OILING SYSTEM TESTS
8
Cylinder Oil Pump Voltage Tests
The
EMM
controls the pump by providing ground
through pin 4 (blue/red wire) of the J1-A connector
and pin A (blue/red wire) of the oil pump connec-
tor.
Use an appropriate test probe and a digital multi-
meter calibrated to a scale that reads 12 V (DC).
Connect negative meter lead to ground.
Connect positive meter lead to pin A (blue/red
wire) of oil injection pump electrical connector.
Turn the key switch to the ON position. Observe
voltage at pin A.
•
Voltage at pin A should be approximately 12 V.
Use the
Cylinder Oiler Test
function of
Evinrude
Diagnostic
software Static Test screen to activate
the cylinder oil pump.
•
Voltage at pin A should vary (drop), as the oil
pump cycles.
Check the control signal while the
Oil Injector
test
is running. Set the digital multimeter to the Hertz
(Hz) scale.
•
Meter should read approximately 2 Hz.
Results:
•
If voltage and control signal readings (Hz) at
pin A are within range, the
EMM
and wiring are
not at fault.
•
If voltage at pin A is not within range, check volt-
age at pin B (red/yellow wire) of the oil pump
electrical connector.
Connect positive meter lead to pin B (red/yellow
wire) of oil injection pump electrical connector.
Observe voltage at pin B.
•
The voltage at pin B should be approximately
12 V.
Start the engine. Observe voltage at pin B.
•
The voltage at pin B should be approximately
12 V.
•
If voltage at pin B is within range, refer to
•
No voltage reading at pin B, check continuity
between pin B of oil pump electrical connector
and pin 24 of
EMM
J1-B connector.
Acceptable Cylinder Oil Pump
Test Readings
Key switch ON
approximately 12 VDC
Control signal
approximately 2 Hz
Engine running
approximately 12 VDC
1.
Oil injection pump connector
008445
1
Static Test Screen
1.
Cylinder oiler test
008468
1
Содержание E-TEC 200
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