Isuzu KB P190. Manual - part 1075

7A2-16   TRANSMISSION CONTROL SYSTEM (JR405E)

Transmission Fluid Passages (Main Unit)

Legend

1. Oil cooler (outlet)
2. Low & reverse brake pressure detection port (R range

line pressure detection port)

3. Low clutch pressure detection port (D, 3, 2, L range

line pressure detection port)

4. High clutch pressure detection port
5. 2-4 brake pressure detection port 
6. Oil cooler (inlet)
7. Oil cooler (outlet)
8. High clutch pressure detection passage
9. Oil pump passage (outlet)

10. Reverse clutch passage

11. High clutch passage

12. Front lubrication passage
13. 2-4 brake passage
14. Oil pump passage (inlet)
15. Torque converter passage (when not in lock up

control)

16. Torque converter passage (when in lock up control)
17. Oil cooler passage (inlet)
18. 2-4 brake pressure detection passage
19. Extension lubrication passage
20. Low clutch passage
21. Rear lubrication passage
22. Low & reverse brake passage
23. Low & reverse brake pressure detection passage

TRANSMISSION CONTROL SYSTEM (JR405E)   7A2-17

Transmission Control Module (TCM)
Connector End Views

TCM (Gray connector)

TCM (White connector)

Connector No.

C-94

Connector color

Gray

Test adapter No.

J-35616-64A

Pin No.

Wire color

Pin function

1

RED/ WHT

Battery voltage

2

YEL/ VIO

P range switch signal

3

RED

Brake pedal switch signal

4

PNK/ WHT

3rd start lamp control

5

VIO/ GRN

Keyword serial data communication

6

—

Not used

7

BLK/ RED

Engine speed signal input

8

—

Not used

9

—

Not used

10

BLK/ YEL

Vehicle speed signal output (2WD)

11

GRN/ WHT 3rd start switch signal

12

BLU/ WHT

4WD low signal output

13

—

Not used

14

—

Not used

15

—

Not used

16

RED/ WHT

Accelerator pedal position (APP) 
signal input

17

BLK/GRN

3 range switch signal

18

YEL/ BLK

Diagnostic request switch

19

ORN/ BLU

Transmission oil temperature lamp 
control

20

GRY/ YEL

Check trans lamp control

1

10
19

2

11
20

3

12
21

4

13

5

14

6

15

7

16
22

8

17
23

9

18
24

21

PNK

Power lamp control

22

—

Not used

23

—

Not used

24

GRN/ YEL

Power drive switch signal

Connector No.

C-95

Connector color

White

Test adapter No.

J-35616-64A

Pin No.

Wire color

Pin function

1

RED/ YEL

2-4 brake TFP switch signal

2

PNK/ BLK

2 range switch signal

3

BRN/ RED

ISS sensor signal

4

BLU

TFT sensor signal

5

BLK

Ground

6

BLU/ BLK

Low & reverse brake solenoid 
control

7

BLK/ YEL

2 & 4 brake solenoid control

8

RED

High clutch solenoid control

9

WHT/ BLU

Low clutch solenoid control

10

RED/ BLK

N range switch signal

11

BLU

D range switch signal

12

YEL

Low & reverse brake TFP switch

13

YEL/ RED

OSS sensor signal

14

BLU/ BLK

TFT sensor low reference

15

—

Not used

16

—

Not used

17

BLK

TCC solenoid control

18

WHT

Ignition voltage

1

10
19

2

11
20

3

12
21

4

13

5

14

6

15

7

16
22

8

17
23

9

18
24

7A2-18   TRANSMISSION CONTROL SYSTEM (JR405E)

Transmission Control Connector End
Views

Brake Switch 

Data Link Connector (DLC)

19

RED/ YEL

R range switch signal

20

WHT/ BLK

High clutch TFP switch signal

21

PNK/ BLU

L range switch signal

22

GRY/ RED

Ground return

23

VIO

PC solenoid control

24

WHT

Ignition voltage

Connector No.

C-44

Connector color

White

Test adapter No.

J-35616-40

Pin No.

Wire color

Pin function

1

GRN

Switch 1 (stop lamp switch) battery 
voltage feed

2

RED

Switch 1 (stop lamp switch) signal

3

—

Not  used

4

—

Not  used

2

1

3

4

Connector No.

B-58

Connector color

Black

Test adapter No.

J-35616-2A

Pin No.

Wire color

Pin function

1

BLK/ GRN

Diagnostic request switch (ECM)

2

—

Not used

3

—

Not used

4

BLK

Ground

5

BLK

Ground

6

BLU

CAN high

7

VIO/ GRN

Keyword serial data (TCM, EHCU 
[ABS module] and SRS control unit)

8

—

Not used

9

—

Not used

10

—

Not used

11

YEL/ BLK

Diagnostic request switch (TCM)

12

ORN/ WHT Diagnostic request switch (EHCU 

[ABS module])

13

RED

Diagnostic request switch (SRS)

14

YEL

CAN low

15

—

Not used

16

RED/ YEL

Battery voltage

8

7

6

5

4

3

2

1

16

15

14

13

12

11

10

9

TRANSMISSION CONTROL SYSTEM (JR405E)   7A2-19

Input Shaft Speed (ISS) Sensor

Output Shaft Speed (OSS) Sensor

Power Drive/ 3rd Start Switch

Connector No.

E-31

Connector color

Gray

Test adapter No.

J-35616-

Pin No.

Wire color

Pin function

1

BRN/ RED

Sensor signal

2

WHT

Sensor ignition voltage feed

3

BLK

Sensor low reference

Connector No.

E-30

Connector color

Gray

Test adapter No.

J-35616-

Pin No.

Wire color

Pin function

1

YEL/ RED

Sensor signal

1

2

3

1

2

3

2

WHT

Sensor ignition voltage feed

3

BLK

Sensor low reference

Connector No.

B-50

Connector color

White

Test adapter No.

J-35616-33

Pin No.

Wire color

Pin function

1

GRN/ RED

Illumination lamp voltage feed

2

RED/ GRN 

(TF) or 

BLK (UC)

Illumination lamp ground

3

GRN/ YEL

Power drive switch signal

4

—

Not used

5

GRN/ WHT

3rd start switch signal

6

BLK

Switch ground

1
3 4 5

2
6