GENERAL SYSTEM DIAGNOSTICS
SERVICE MANUAL NUMBER 23
MEFI 1 - 454/502 Mag MPI and 8.2L MPI Symptom Chart (J-1 Circuits)
(Continued)
Circuit
(CKT)
Function Number
Normal Voltage
Diagnostic
Trouble
Codes
Pin
Wire
Color
Possible
Symptoms
Pin
Ignition
ON
Engine
Running
(#)
DTC(s)
J1-28 Not Used
–
–
–
–
–
–
Lack Of
Perfor-
mance,
0
0
MAP
J1-29
814
BLK
33
Ground
(NOTE 5)
(NOTE 5)
Exhaust
Odor, Stall
0
0
ECM
J1-30
BLK/
WHT
450
None
No Start
Ground
(NOTE 5)
(NOTE 5)
Lack Of
Power,
Surge,
Rough Idle,
Exhaust
Odor
MAP 5V
Refer-
ence
J1-31
J1-32
416
440
GRY
ORN
5V
B+
5V
B+
33
Battery
None
No Start
MEFI 1 - 454/502 Mag MPI and 8.2L MPI Symptom Chart (J-2
Circuits)
See page 5E-4 for NOTES
Circuit
(CKT)
Function Number Color Ignition
Normal Voltage
Diagnostic
Trouble
Codes
Pin
Wire
Possible
Symptoms
Pin
Engine
(#)
ON
Running
DTC(s)
Not
Used
J2-1
J2-2
J2-3
J2-4
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
Not
Used
–
–
–
–
–
–
Not
Used
Not
Used
Rough Idle,
Lack Of
Power, Stall
Injector
Driver
LT
GRN
J2-5
468
B+
B+
None
Index
Page 5E-12
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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Marine readers have rated Mercury MerCruiser GM V8 GM V8 454 CID 7.4L and 502 cid 8.2L Marine Engines Service Manual Number 23 5.0 out of 5.0 based on 1 product reviews. Just need the manual. Wrote review. Can't technically review what I haven't seen yet...