GENERAL SYSTEM DIAGNOSTICS
SERVICE MANUAL NUMBER 23
Chart A-1 (4 of 4): No Malfunction Indicator Lamp (MIL) - Marine Diagnostic
Trouble Code (MDTC) Tool Installed
Step
Action
Value(s)
Yes
No
Locate and repair open or short to
ground in CKT 440.
Go to OBD
System Check
__
10
_
Is Action Complete?
Repair or replace faulty Marine
Diagnostic Trouble Code tool.
Is Action Complete?
Go to OBD
System Check
__
11
12
_
_
1.
Locate and repair faulty ECM
grounds.
2. If a problem is found, repair as
necessary.
Is Action Complete?
Go to OBD
System Check Go to Step 17
Locate and repair open in CKT
419.
Is Action Complete?
Go to OBD
System Check
__
__
_
13
14
_
_
Locate and repair short to ground
in the battery feed circuit.
Is Action Complete?
Go to OBD
System Check
Locate and repair open in the
circuit that did not light the test
light.
15
_
Go to OBD
Is Action Complete?
System Check
Locate and repair short to ground
in CKT 439.
Go to OBD
System Check
_
_
16
17
_
_
Is Action Complete?
Repair faulty ECM connections or
replace faulty ECM.
Go to OBD
System Check
Is Action Complete?
Index
Page 5E-60
90-861326--1 MARCH 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 454 CID, Mercury MerCruiser 502 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
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