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87
System Analysis
Ignition Output Tests
5
Use the
Evinrude Diagnostics
software
Monitor
screen to check system voltage.
Results:
•
EMM
ON (not running) - approximately 1 V less
than battery voltage, system voltage is GOOD.
•
EMM
ON (not running) - no voltage, check 12 V
power to
EMM.
Repair connection or wiring.
•
RUNNING - 55 V ± 2, system voltage is GOOD.
•
RUNNING - less than 55 V ± 2, check stator
output to
EMM
. Repair connection or wiring.
Possible faulty stator or
EMM.
IMPORTANT:
The EMM
must be ON for voltage
to be present on the system voltage (55 V) circuit.
Power is normally supplied to the
EMM
when the
key switch is turned ON. The
EMM
is also turned
ON when it begins to receive AC voltage from the
stator while the outboard is being cranked. On a
non-running rope start engine, power is supplied to
the
EMM
by Diagnostic Power Supply Tool,
P/N 587005.
Static Ignition Test
Perform the static ignition test using
Evinrude
Diagnostics
software and an inductive timing light.
IMPORTANT:
DO NOT perform static tests us-
ing Diagnostic Power Supply Tool, P/N 587005,
with internal 9 volt batteries only. This will produce
false results. Refer to
IMPORTANT:
DO NOT use a spark checker tool.
Radio Frequency Interference (RFI) generated by
the arcing current can cause erratic
EMM
opera-
tion.
The outboard must NOT be running and the emer-
gency stop switch lanyard must be installed.
Connect timing light pickup to the secondary cir-
cuit (spark plug lead) of the cylinder being tested.
Activate test and observe timing light strobe for
consistent flash.
IMPORTANT:
This test is operating the ignition
coil with 12 V battery power on the system voltage
(55 V) circuit. An inductive probe with low sensitiv-
ity may not be able to detect the signal.
Results:
No spark on one or more cylinders:
•
Inspect or replace spark plugs
•
Refer to
Ignition Control Circuit Tests
•
Refer to
Monitor Screen, System voltage
008566A
Static Tests Screen
008569A
1.
Timing light pick-up
2.
Spark plug lead
006492
2
1
Summary of Contents for Evinrude E-TEC
Page 232: ...Powerhead Powerhead Views 232 2 Cylinder Front 008160...
Page 233: ...Powerhead Powerhead Views 233 10 2 Cylinder Rear 010509...
Page 234: ...Powerhead Powerhead Views 234 2 Cylinder Top 010511...
Page 235: ...235 Powerhead Powerhead Views 10 2 Cylinder Top Rope Start Models 008186...
Page 238: ...Powerhead Powerhead Views 238 3 Cylinder Front 008166...
Page 239: ...239 Powerhead Powerhead Views 10 3 Cylinder Rear 010515...
Page 240: ...Powerhead Powerhead Views 240 3 Cylinder Top 010517...
Page 326: ...S 326...