Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID

DIAGNOSTICS
SERVICE MANUAL NUMBER 24
J-2 Circuits with MEFI 1 and MEFI 2
a
J-2 Rear 32 Pin Output 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
LT
GRN
J2-5
468
B+
B+
None
Rough Idle, Lack Of Power, Stall
Ignition
Control
Ref.
RED/
BLK
0
(NOTE 5)
0
(NOTE 5)
J2-6
J2-7
J2-8
463
901
430
None
None
None
Poor Performance
Low
Port
Fuel
Jumper
WHT
–
–
–
Ignition
Control
Ref.
PUR/
WHT
5V
1.6V
No Restart
High
Fuel
Pump
Relay
Driver
DK
GRN/
WHT
0
(NOTE
1&5)
J2-9
465
112
B+
0
None
None
No Start
Coolant
Over
temp.
DK
GRN
Power Reduction Mode or
Improper Audio Warning
J2-11
0
IAC “A”
Low
Not
Usable
Not
Usable
Rough Unstable or Incorrect
Idle
J2-13
J2-14
J2-15
442
443
450
RED
YEL
None
None
None
IAC “B”
Low
Not
Usable
Not
Usable
Rough Unstable or Incorrect
Idle
Injector
Ground
BLK/
WHT
0
(NOTE 5)
0
(NOTE 5)
Rough Running, Lack Of Power,
Poor Performance
NOTE: J2-7 is not used on the Throttle Body Injection system.
See Page 5G-6 For NOTES
Index
Page 5G-8
90-861327--1   OCTOBER 1999
Product Specification
CategoriesMercury MerCruiser Manuals
Tags,
Model Year1998, 1999, 2000, 2001
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(1 votes, average: 4 out of 4)
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Mercury MerCruiser Engines Service Manual Number 24 GM V-8 305 CID 350 CID SKU UPC Model
Fernando Woll on Dec 09, 2014. Boat Engine

Great performance engine.
Class 1

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