DIAGNOSTICS
SERVICE MANUAL NUMBER 24
J-1 Circuits with MEFI 3
a
J-1 Front Pin 32 Pin Input Connector
a - Shaded Area Denotes Pin Connector Location Used On Terminal
Normal Voltage
Wire
Pin
Func-
tion
Pin
CKT
DTC
Possible Symptoms
Ignition
ON
Engine
Color
Running
Injector
Driver
DK
BLU
Rough Idle, Lack Of Power, Stal-
ling
J1-1
J1-2
467
121
B+
B+
None
45
Ignition
Coil
Not Us-
able
Not Us-
able
Rough Running, Poor Idle, Lack
of Performance
WHT
Ignition
Control
Ref.
RED/
BLK
0
(NOTE 5)
0
(NOTE 5)
J1-3
453
None
Poor Performance
Low
ECM
Ground
0
(NOTE 5)
0
(NOTE 5)
J1-4
J1-5
J1-9
450
450
419
BLK
BLK
None
None
None
No Start
No Start
ECM
Ground
0
(NOTE 5)
0
(NOTE 5)
MIL
Lamp
BRN/
WHT
0
(NOTE 5)
0
(NOTE 5)
Lamp Inoperative
Ignition
Control
Signal
0
(NOTE 5)
Stall, Will Restart In Bypass
Mode, Lack Of Power
J1-10
423
WHT
1.2V
42
IAC “B”
Low
GRN/
WHT
Not
Usable
Not
Usable
J1-11
J1-12
J1-17
J1-20
443
442
468
450
None
None
None
None
Rough Unstable or Incorrect Idle
Rough Unstable or Incorrect Idle
Rough Idle, Lack Of Power, Stall
IAC “A”
Low
BLU/
BLK
Not
Usable
Not
Usable
Injector
Driver
DK
GRN
B+
B+
ECM
Ground
0
(NOTE 5)
0
(NOTE 5)
Rough Running, Poor Idle, Lack
Of Performance
BLK
See Page 5G-6 For NOTES
Index
Page 5G-10
90-861327--1 OCTOBER 1999
| Categories | Mercury MerCruiser Manuals |
|---|---|
| Tags | Mercury MerCruiser 305 CID, Mercury MerCruiser 350 CID |
| Model Year | 1998, 1999, 2000, 2001 |
| Download File |
|
| Document File Type | |
| Copyright | Attribution Non-commercial |
(1 votes, average: 4 out of 4)
Marine readers have rated Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID 4.0 out of 4.0 based on 1 product reviews. Great performance engine.
Class 1