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Troubleshooting
Engine/Powertrain Control Module Terminal Arrangement - '98 - 00 Models
(cont'dl
ECM/PCM CONNI'CTOR B 1251'1
r=====!
"
',,
i '
2
3
!
.
s
V": .
/
.
's-
u
PGl
INJ2
!
INJJ
;
INJ'
i/
~
ECM/PCM CONNECTOR B (25P)
Wire
side
of female terminals
NOTE' Standard battery
voltage
is 12 V
Terminal
number
I
2
3
4
5
S"'
9
10
11
13
17*'
19*'
20
21
22
23
*1:
AfT
*2:
MIT
Wire color
YELJBLK
BLK
RED
BLU
YEL
WHT
YElJBLK
BLK
BRN
YELJGRN
RED
PNK
BRN/BLK
WHT/
BLU
BRN/BLK
BLKlBLU
*3:
'98
model
*4:
'99 - 00 models
11-72
Terminal name
Description
Signal
IGP1 !POWER
SOURCE)
Power source for
the ECM/pcM
With
ignition switch
ON
(II):
battery
volt-
control circuit.
age
With ignition
switch
OFF:
0
V
PG I
IPOWER GROUND)
Ground for the
ECM!PCM control
Less than 1.0 V at all
times
circuit.
INJ2
IND. 2
FUEL
INJEC-
TOR)
Drives No.2
fuel
injector.
With
engine
running:
duty controlled
INJ3
IND. 3
FUEL
INJEC-
Drives
NO.3
fuel injector.
TOR)
INJ4
(No.4
FUEL
INJEC-
Drives
No.4 fuel
injector.
TOR)
LS- (AfT CLUTCH
PRES-
AfT
clutch
pressure
control
With ignition
switch ON
(II):
duty
SURE CONTROL
SOLE
-
solenoid
valve power supply
controlled
NOlO VALVE
-
SIDE)
negative terminal.
IGP2 (POWER
SOURCE)
Power
source
for
the
ECM/PCM
With ignition
switch
ON
(II):
battery
control
ci rcuit.
voltage
With
ignition switch OFF:
0 V
PG2 (POWER
GROUND
)
Ground
for
the ECMIPCM
control
Less
than
1.0
V
at
all times
circuit.
INJ1
INo.
1
FUELINJEC-
Drives
No.
1 fuel injector.
With
engine running: duty controlled
TOR)
ICM (IGNITION
CON-
Sends
ignition
pulse.
With
ignition
switch ON
(II);
battery
TRDL MODULE)
voltage
With engine running
:
pulses
LS+
(AfT CLUTCH
PRES-
A/f
clutch
pressure
control
W ith ignition
switch ON
(II):
duty
SURE CONTROL
SOLE-
solenoid
valve
power
supply
controlled
NOlO VALVE
+
SIDE)
positive terminal
ODIND
lOVER-DRIVE
Drives
OVER-DRIVE
OFF
With OVER-DRIVE OFF indicator
light
OFF INDICATOR)
indicator light.
turned
ON:
0
V
With OVER-DRIVE OFF indicator light
turned
OFF:
battery
voltage
LG1 (LOGIC GROUND)
Ground forthe ECMJPCM control
Less than 1.0 V at
all
times
circ uit.
VBU
(VOLTAGE
BACK
Power
source
for
the
ECM/PCM
Battery voltage at all times
UP)
co
ntrol
ci
rcuit.
Power
source for
the
DTC memory.
LG2
(LOGIC
GROUND)
Ground for
the
ECM/PCM
control
Less than 1.0
V
at all times
circuit.
IACV (IDLE
AIR CON-
Drives
lAC
valve.
With
engine running:
duty
controlled
TROL
VALVE)
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