Isuzu engine C22NE / 22LE / 20LE. Manual — part 51
DRIVEABILITY AND EMISSIONS 6E1-33
Engine
Control
Module
(ECM)
B16
0.5
L
0.5
L/W
0.5
L/R
Idle Air
Control
(IAC)
Valve
0.5
L/B
B15
D
C
B
A
B13
B14
IAC
A
High
IAC
A
Low
IAC
B
High
IAC
B
Low
A
B
6E1-34 DRIVEABILITY AND EMISSIONS
DRIVEABILITY AND EMISSIONS 6E1-35
ECM Pinout Table, 32-Pin Blue Connector-Row “J1”
PIN
PIN Function
Wire Color
IGN ON
ENG RUN
Refer To
E1
Electronic Spark Timing
Coil Driver A
G
12V
14V
-
E2
Coil Ground A
B
0V
0V
-
E3
Coil Ground B
B
0V
0V
-
E4
Electronic Spark Timing
Coil Driver B
L
12V
14V
-
E5
Crank Position Sensor High
G
1V
1V
General Description and
Operation, Crank Position
Sensor
E6
Not Used
-
-
-
-
E7
Vss Input
W
9V
11V
Chassis Electrical
E8
Serial Data
R
5V
5V
Serial Data
E9
Not Used
-
-
-
-
E10
Not Used
-
-
-
-
E11
Not Used
-
-
-
-
E12
Not Used
-
-
-
-
E13
Not Used
-
-
-
-
E14
Not Used
-
-
-
-
E15
Not Used
-
-
-
-
E16
Ignition Feed
B/Y
12V
14V
General Description and
Operation
6E1-36 DRIVEABILITY AND EMISSIONS
ECM Pinout Table, 32-Pin Blue Connector-Row “J1”
PIN
PIN Function
Wire Color
IGN ON
ENG RUN
Refer To
F1
Crankshaft Position Sensor
Low
R
1V
1V
General Description and
Operation, Crankshaft
Position Sensor
F2
Not Used
-
-
-
-
F3
Not Used
-
-
-
-
F4
Not Used
-
-
-
-
F5
Not Used
-
-
-
-
F6
Knock Sensor Input
Y
0V
0V
General Description and
Operation, Knock Sensor
F7
Not Used
-
-
-
-
F8
Not Used
-
-
-
-
F9
Not Used
-
-
-
-
F10
Intake Air Temperature
Sensor
Y/G
2V
2V
General Description and
Operation, IAT
F11
Not Used
-
-
-
-
F12
Heated O
2
Sensor Low
(If applicable)
-
-
-
General Description and
Operation, Heated O
2
Sensor
F13
Not Used
-
-
-
-
F14
Engine Coolant
Temperature
L/R
2V
(0V=151
°C)
3V
(5V=-40
°C)
General Description and
Operation, Engine Coolant
Temperature Sensor
F15
Heated O
2
Sensor
(If applicable)
L
1.0V
0V
General Description and
Operation, Heated O
2
Sensor
F16
Power Steering Pressure
Switch Input
G/Y
12V
14V
General Description and
Operation, PSP
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