Isuzu N-Series. Manual - part 1067

CAB AND CHASSIS ELECTRICAL 8-373

TCM

4

B-426

0.5

BLK

2

BLK

12

0.5

BLK

17

1.25

BLK

8

2

12

1

13

Diagnostic

request

(SRS)

Diagnostic

request

(ECM)

Diagnostic

request

(EHCU)

Class 2 Serial

Communication

Ground

Ground

5

B-79

4

18

B-428

11

Diagnostic

request

switch

Diagnostic

request

1.25

BLK

1.25

BLK

0.3

BLK/

WHT

0.5

BLK

0.5

BLK

0.3

WHT/

BLK

0.3

WHT/

GRN

0.5

YEL

0.5

GR

Y

0.5L

T

 BLU

DLC

9

B-426

7

Keyword 2000

Keyword serial

communication

0.3

L

T

 BLU

0.5

L

T

 BLU

EHCU (ABS Module)

EHCU (ABS Module)

ECM

SRS C/U

ECM

B-1

Frame

W/S-D

18

21

22

J/C-B

W/S-C

Signal ground

Signal ground

Power ground

Power ground

N7A2133E

8-374 CAB AND CHASSIS ELECTRICAL

0.5

YEL/

BLK

0.5

1(LHD)

3(RHD)

3(LHD)

5(RHD)

RED/

YEL

0.5

YEL/

BLK

0.5

RED/

YEL

0.5

YEL/

BLK

0.5

RED/

YEL

0.5

YEL/

RED

0.5

BLU/

WHT

0.5

BLU/

WHT

0.5

YEL/

RED

0.5

BLU/

WHT

0.5

YEL/

RED

30

29

6

12

B-427

B-425

31

2

4

J-237

J-237

TCM

Oil Pump 

ASM

T

ransmission

fluid

temperature

sensor

Lock up clutch

solenoid valve

Gearshift clutch

solenoid valve

5

6

H-4

H-17

6

14

H-119

H-118

73

Low reference

TCM

H-4

B-427

TFT

sensor

signal

5V reference

Gearshift clutch

solenoid valve

control

+B

Lock up clutch

solenoid valve

control

+B

N7A2134E

CAB AND CHASSIS ELECTRICAL 8-375

0.5

YEL/

WHT

TCM

33

H-5

11

10

B-426

10

4

B-427

29

23

H-5

0.5

YEL/

WHT

11

H-1

19

0.5

YEL/

WHT

0.5

YEL/

BLK

32

0.5

YEL/

BLK

7

0.5

YEL/

BLK

Low reference

0.5

WHT

10

H-8

19

18

0.5

WHT

3

H-1

19

0.5

WHT

0.5

RED

0.5

WHT/

BLU

0.5

ORN/

BLU

0.5

WHT/

BLU

0.5

ORN/

BLU

8

12

H-1

19

0.5

WHT/

BLU

0.5

ORN/

BLU

9

0.5

RED

2

0.5

RED

T

urbine

Speed

Sensor

Low reference

5V reference

Input shaft

speed sensor

signal

TCM

13

B-426

0.5

YEL/

RED

15

H-1

19

0.5

YEL/

RED

27

H-5

0.5

YEL/

RED

20

H-8

0.5

BLK

6

0.5

BLK

11

0.5

BLK

1

2

J-232

5V reference

T

urbine

speed sensor

signal

5V reference

Gear select

position sensor

signal

5V reference

Gear select

position sensor

signal

11

5

26

20

H-5

0.5

YEL

0.5

BRN

0.5

YEL

0.5

BRN

0.5

YEL

0.5

BRN

5

2

H-1

18

Input

Shaft

Speed

Sensor

1

2

J-139

2

1

J-223

3

J-223

Gear Select

Position

Sensor

Gear Shift

Position

Sensor

2

1

J-142

3

J-142

Low reference

Low reference

N7A2135E

8-376 CAB AND CHASSIS ELECTRICAL

F-5

10A

F-17

NEES (IG)

10A

F-16

10A

F-18

10A

0.5

BLK/

ORN

0.5

BLK/

ORN

0.5

BLK/

ORN

0.3

GRY/

BLU

0.3

GRY/

RED

0.3

GRY/

BLK

0.5

GRN

0.5

GRN

0.5

GRN/

YEL

0.5GRN

Stop Light

11

H-5

3

B-428

2

9

17

Fuse & Relay Box

(Glove Box)

ST

OP

 LIGHT

METER

SRS

TCM

J/C-2

Brake

Pedal

Switch

2

1

B-66

B-66

Neutral

Switch

1

2

J-50

J-50

F-28

ECM

10A

0.5

LT GRN

0.5

LT GRN

ECM

Exhaust 

Brake 

Solenoid V

alve

0.5

BLK/

BLU

0.5

BLK/

BLU

37

H-5

10

0.5B/L

2

6

4

1

Neutral

switch

signal

Reset

switch

signal

Slow

switch

signal

Fast

switch

signal

Brake

pedal

switch

Reset

Switch

6

4

B-105

B-105

Half-clutch

Adjustment

Switch       

3

B-106

1

2

B-106

J/C-G

5

4

6

TCM

0.3

2

BLK

0.5

BLK

3

BLK

1.25

BLK

B-7

Headlight

Bracket

Tail

Light

BLU/

WHT

2

BLK

2

BLK

0.5GRY/RED

1.25

GRY/

BLK

0.5

GRY/

RED

0.5

GRY/

RED

12

5

7

1

1

6

H-12

19

B-428

3

H-3

B-1

Frame

Room Lamp

TCM

PTO

switch

signal

Door

switch

signal

Ignition

voltage

W/S-B

J/C-D

J/C-H

W/S-D

W/S-C

2

3

Door Switch

(Left)

1

N-7

Door Switch

(Right)

1

N-2

PT

O

Switch

1

2

3

B-417

B-417

4

Ignition

voltage

N7A2136E