115
SYSTEM ANALYSIS
IGNITION OUTPUT
5
IGNITION OUTPUT
Wiring Inspection
Visually inspect all wiring, connections, and
grounds.
Use an ohmmeter to perform resistance tests on
all ground circuits and connections. Ohmmeter
readings should be approximately 0.0
Ω
.
Check that main engine wire harness ground stud
has continuity to the cylinder/crankcase.
Make sure battery is fully charged.
Clean or repair all ground circuits, wiring, and con-
nections as needed. Refer to
ELECTRICAL CON-
NECTIONS
on p. 104.
Ignition Voltage
Use the
Evinrude
Diagnostics Software program
to check ignition voltage to the primary ignition cir-
cuit(s). Check the
EMM
’s ignition voltage to the
primary circuits of the ignition coils on the engine
Monitor
screen.
Results:
•
“KEY ON” - approximately 5 V, Ignition voltage
is GOOD, check voltage with outboard “run-
ning”. Refer to
Static Spark Test
on p. 116.
•
“KEY ON” - no voltage, check system voltage to
EMM.
Refer to
System Voltage
on p. 116
.
•
“RUNNING” - 200 V ± 10, Ignition voltage is
GOOD. Refer to
Static Spark Test
on p. 116.
•
“RUNNING” - less than 200 V ± 10, check stator
output to
EMM
. Refer to
System Voltage
on
p. 116 and
Stator Tests
on p. 129.
Low or no voltage on
EMM
ignition circuit:
•
Check system voltage (55 V) input to ignition
circuit on pins 3 and 4 of
EMM
J1-B connector.
DANGER
The electrical system presents a serious
shock hazard. Allow outboard to sit for
two minutes after running before handling
capacitor or 55 V electrical components.
Failure to handle capacitor properly can
result in uncontrolled electrical discharge
and possible electrical shock to humans.
DO NOT handle primary or secondary igni-
tion components while outboard is run-
ning or flywheel is turning.
1.
Ground stud
002292
1
Engine Monitor Screen, Ignition Voltage
006307
Содержание E-tec 75 HP
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Страница 16: ...16 INTRODUCTION NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other ...
Страница 84: ...84 MAINTENANCE NOTES NOTES Technician s Notes Related Documents Bulletins Instruction Sheets Other ...
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