74
SYSTEM ANALYSIS
DIAGNOSTIC PROCEDURES
DIAGNOSTIC
PROCEDURES
Visual Inspections
Inspect wiring and electric al connectio ns. Disas-
semble a nd clean all corrode d co nnections.
Replace damaged wiring, con nectors, o r termi-
nals. Repair any shorted electrical circuits.
• Refer to ELECTRICAL HARNESS CONNEC-
TIONS on p. 92.
• Refer to WIRING DIAGRAM at the back of this
manual.
• Refer to CONNECTOR SERVICING on p. 116.
Make su re all g round connections are clean a nd
tight. Refer to GROUND CIRCUITS on p. 94.
Inspect spark plugs for wea r, oil fowling, or dam-
age. A rich or lean running condition or evidence
of internal eng ine da mage could be identified b y
the appearance of the spark plugs.
Check the fuse an d the emergency st op switch
lanyard.
Operational Inspections
Run the ou tboard to confirm actual symp toms
before perfo rming any unne cessary procedures.
Inspection should include the following:
• Make sure th e outboard can be cranked easily,
with no mechanical binding.
• Check the EMM LED Indicators for system sta-
tus information. Re fer to EMM LED INDICA-
TORS on p. 77.
• Check the Evinrude Diagnostics software Active
Faults and Occurred Faults screens for current
service codes. Correct a ny problems and clear
the codes before further troubleshooting. Refer
to Occurred Service Codes (Faults) on p. 65.
Check the diag nostics software Profiles,
Occurred, and Historical Faults screens for evi-
dence of abnormal operation.
1. Main engine harness ground
2. Ground stud (battery)
002292
Occurred Faults Review Screen 008584
Profiles Screen 008587
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