Isuzu engine C22NE / 22LE / 20LE. Service manual — part 49

DRIVEABILITY AND EMISSIONS 6E1-25

DIAGRAMS AND SCHEMATICS

16 15 14 13 12 11 10 9

8 7 6 5 4 3 2 1

HOT AT ALL TIMES

Fuse

Stop

U/H

FUSE

BLOCK

To

Stop

Lamp

Engine

Control

Module

(ECM)

R

A1

A2

B11

E8

B/R

B/L

B/W

O

ECM

Grounds

(Engine Block)

Diag

Serial Data

HOT IN START AND RUN

Meter

Fuse

15A

I/P

FUSE

BLOCK

Malfunction

Indicator

Lamp

0.85

YEL

Vehicle

Speed Sensor

0.5

BR/Y

Instrument

Panel(I/P)

Cluster

B4

Malfunction

Indicator

Lamp

Control

0.5

BR

B5

6E1-26 DRIVEABILITY AND EMISSIONS

ECM

Fuse

15A

Engine

Fuse

10A

Canister

Purge

Solenoid

1.25

R/W

0.85G/W

2B/R

0.85G/R

0.85G/B

0.85G

1.25

R/W

0.85

L/Y

Fuel

Injector

Fuse

20A

Fuel

Pump

A4

A6

A8

A9

A7

A5

E16

Fuel

Injector

Control

#4

A

B

#3

A

B

#2

A

B

#1

A

B

Engine

Control

Module

(ECM)

HOT WITH FUEL PUMP

RELAY ENERGIZED

HOT AT ALL TIMES

HOT IN RUN AND START

DRIVEABILITY AND EMISSIONS 6E1-27

HOT IN START AND RUN

IG.

Coil

Fuse

15A

I/P

FUSE

BLOCK

0.85

B/O

Ignition

Coil

1.25

G

1.25

L

Engine

Control

Module

(ECM)

E1

E4

E3

Electronic Spark

Timing Control

1.25

B

1.25

B

E2

0.5

R

0.5

G

Crankshaft

Position

Sensor

F1

E5

6E1-28 DRIVEABILITY AND EMISSIONS