Isuzu N-Series. Manual - part 890

 

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Isuzu N-Series. Manual - part 890

 

 

Transmission Control System (Smoother) 7A-15

Ground Distributions

0.5 BLK

2 BLK

0.3 BLK

PT

O Switch (B-417-3)

Smoother Emergency Relay (X-14-2)

Smoother Emergency Relay (X-14-5)

PT

O Switch

DLC (B-79-4)

Change Lever Unit

Power

Distribution

Battery

B-7

0.5 BLK

Shift Position Indicator Back Lamp

15

1.25

BLK

0.3 BLK

3

BLK

P-5

0.5 BLK

Headlight Bracket

2

BLK

3

BLK

Emergency Shift Switch

0.5 BLK

0.5 BLK

0.5 BLK

B-1

Frame

2 BLK

DLC (B-79-5)

TCM (B-426-8)

TCM (B-426-17)

TCM (B-426-12)

TCM (B-426-4)

0.5 BLK

0.5 BLK

1.25 BLK

1.25 BLK

0.5 BLK

0.5 BLK

TCM (B-428-15)

0.5 BLK

Starter Cut Relay

2

BLK

2

BLK

J-9

Frame

TCM (B-425-2)

TCM (B-425-7)

1-3-5 Shift Solenoid

2-4-6-R Shift Solenoid

Select Solenoid

1.25 BLK

1.25 BLK

1.25 BLK

2 BLK

2 BLK

2 BLK

13

1

1

6

7

8

TCM (B-428-7)

1.25 BLK

TCM (B-425-6)

1.25 BLK

TCM (B-425-1)

1.25 BLK

1.25 BLK

1.25 BLK

1.25 BLK

1.25 BLK

1.25 BLK

H-1

19

H-1

19

H-1

18

H-17

H-17

H-17

7

1

W/S-B

J/C-D

W/S-E

W/S-D

W/S-C

2

BLK

USW

JOINT1

USW JOINT2

0.5 BLK

Heater Relay

Heater & 

A/C Relay

Key On Relay

B-7

0.5 BLK

Engine W

arm up Switch (B-31-1)

0.5 BLK

0.5 BLK

Headlight Bracket

2

BLK

3

BLK

V

ehicle Speed Sensor (VSS)

Meter (B-55-7)

0.5 BLK

0.5 BLK

0.5 BLK

ECM (J-191-4)

HBB Level Switch

0.3 YEL/RED

Meter (B-55-10)

0.3

YEL/

RED

0.5 BLK

ECM (J-191-3)

ECM (J-191-1)

ECM (J-191-62)

ECM (J-191-43)

ECM (J-191-81)

1.25 BLK

1.25 BLK

1.25 BLK

0.75 BLK

0.75 BLK

0.5 BLK

0.5 BLK

ECM Main Relay

Condenser Fan Relay

0.85 BLK

2

BLK

Marker Light Relay

0.5 BLK

2

BLK

Fuel

T

ank

Unit

0.3

YEL/

RED

H-5

19

PT

O Switch

Engine W

arm up Switch (B-31-5)

3

BLK

3

BLK

3

BLK

2

BLK

0.85

BLK

0.5 BLK

6

1

USW JOINT3

W/S-F

W/S-E

J/C-D

N7A2114E

7A-16 Transmission Control System (Smoother)

Component Locator

Transmission Controls Component Views

Transmission

Legend

1. Gearshift Control Box

7. Select Solenoid Valve

2. Gear Shift Position Sensor

8. 1-3-5 Shift Solenoid Valve

3. Neutral Switch

9. 2-4-6-R Shift Solenoid Valve

4. Gear Select Position Sensor

10. Turbine Speed Sensor

5. Vehicle Speed Sensor

11. Input Shaft Speed Sensor

6. Reverse Switch

6

4

1

5

3

2

7

10

8

11

9

N7A2036E

Transmission Control System (Smoother) 7A-17

Cross Section

Oil Pump Assembly

Legend

1. Lock Up Clutch

5. Gearshift Control Box

2. Fluid Coupling

6. Brake Band

3. Oil Pump

7. Flywheel Housing

4. Gearshift Clutch

8. Flexible Plate

8

1

2

3

4

5

7

6

N7A2037E

N7A2038E

7A-18 Transmission Control System (Smoother)

Cab

Legend

1. Oil Pump

6. Transmission Fluid Temperature (TFT) Sensor

2. Gearshift Clutch Spool Valve

7. Relief Valve

3. Lockup Clutch Spool Valve

8. Gearshift Clutch Solenoid Valve

4. Lock Up Clutch Solenoid Valve 

9. Accumulator

5. Bypass Valve

Legend

1. Gear Position Indicator

4. 1st Gear Start Indicator Lamp

2. Transmission Warning Lamp

5. Half-Clutch Adjustment Switch

3. Economy Mode Indicator Lamp

6. Reset Switch

#

$

"

!

 



N7A2039E

 

 

 

 

 

 

 

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