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Oiling System
Oiling System Tests
172
Oiling System Tests
IMPORTANT:
Always perform visual inspections
to identify oiling system leaks. Make sure the oil
tank is filled and oil supply is not contaminated.
Oil Injection Pump Voltage Tests
IMPORTANT:
Do NOT perform static tests using
Diagnostic Power Supply Tool, P/N 587005, with
internal 9 volt batteries only. This will produce false
results. Refer to
The
EMM
controls the pump by providing ground
through pin 23 (blue wire) of the J1-B connector
and pin B (blue wire) of the oil pump connector.
Use a digital multimeter calibrated to a scale that
reads 12 V (DC) to measure voltage between the
oil pump electrical connector and engine ground.
Connect negative meter lead to ground.
Use an appropriate test probe to connect positive
meter lead to pin B (blue wire) of oil injection
pump electrical connector.
Turn the key switch to the ON position. Observe
voltage at pin B.
•
Voltage at pin B should be approximately 12 V.
Use the
Oil Injector
test of
Evinrude Diagnostic
software
Static Test
screen to activate the oil
pump.
IMPORTANT:
This test is operating the pump
with 12 V battery power on the system voltage
(55 V) circuit. The oil injection pump will not pump
oil when operating on 12 V.
Observe voltage at pin B.
•
Voltage at pin B should 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 5 Hz.
Results:
•
If voltage and control signal readings at pin B
are within range, the
EMM
and wiring are not at
fault.
•
If voltage at pin B is not within range, check volt-
age at pin A (white/red wire) of oil pump electri-
cal connector.
Connect positive meter lead to pin A (white/red
wire) of oil injection pump electrical connector.
Observe voltage at pin A.
•
Voltage at pin A should be approximately 12 V.
Set digital multimeter to a scale that reads 55 V
(DC).
Start the engine. Observe voltage at pin A.
Acceptable Oil Injection Pump
Test Readings
Key switch ON
approximately 12 VDC
Control signal
approximately 5 Hz
Engine running
approximately 55 VDC
1.
Oil injection pump electrical connector
008065
1
Static Tests Screen
1.
Oil injector test button
008082
1
Содержание Evinrude E-TEC
Страница 128: ...Electrical and Ignition Notes 128 Notes Technician s Notes Related Documents Bulletins Instruction Sheets Other...
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