Diagnostic Procedures; Visual Inspections; Operational Inspections - Evinrude E-Tec 40 HP Service Manual

SYSTEM ANALYSIS

DIAGNOSTIC PROCEDURES

DIAGNOSTIC
PROCEDURES

Visual Inspections

Inspect wiring and electric al connectio ns. Disas-
semble a nd clean all corrode
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.
1
2
1. Main engine harness ground
2. Ground stud (battery)
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.
74

Operational Inspections

Run the ou tboard to confirm actual symp toms
before perfo rming any unne cessary procedures.
Inspection should include the following:
•
d co nnections.
•
•
002292
Occurred Faults Review Screen
Check the diag
Occurred, and Historical Faults screens for evi-
dence of abnormal operation.
Profiles Screen
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.
nostics
008584
software
Profiles,
008587