SERVICE MANUAL NUMBER 24
DIAGNOSTICS
J-2 Circuits with MEFI 1 and MEFI 2 (Continued)
Normal Voltage
Pin
Func-
tion
Wire
Color
Pin
CKT
DTC
Possible Symptoms
Ignition
ON
Engine
Running
Fuel
Injector
Ground
BLK/
WHT
0
(NOTE 5)
0
(NOTE 5)
Rough Running, Poor Idle, Lack
Of Performance
J2-20
J2-21
J2-22
450
467
901
None
None
–
Injector
Driver
DK
BLU
Rough Idle, Lack Of Power,
Stalling
B+
–
B+
–
Port
Fuel
Jumper
WHT
WHT
–
Ignition
Control
Signal
0
(NOTE 5)
Stall, Will Restart In Bypass
Mode, Lack Of Power
J2-23
J2-24
423
424
1.2V
4.5V
42
42
Ignition
Control
Bypass
TAN/
BLK
0
(NOTE 5)
Lack Of Power, Fixed Timing
Discrete
Switch
Audio Warning System
Activation
J2-26
J2-27
31
31
TAN
TAN
–
–
–
–
–
–
Discrete
Switch
Audio Warning System
Activation
IAC
“A”
High
Not
Usable
Not
Usable
Rough, Unstable or Incorrect
Idle
J2-28
441
BRN
None
IAC
“B”
Low
GRN/
BLK
Not
Usable
Not
Usable
Rough, Unstable or Incorrect
Idle
J2-29
J2-31
444
419
None
None
MIL
Lamp
BRN/
WHT
0
(NOTE 5)
0
(NOTE 5)
Lamp Inoperative
NOTE: J2-22 is not used on the Throttle Body Injection system.
See Page 5G-6 For NOTES
Index
90-861327--1
OCTOBER 1999
Page 5G-9
| 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 |
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