Isuzu engine C22NE / 22LE / 20LE. Service manual - part 51

 

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Isuzu engine C22NE / 22LE / 20LE. Service 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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