ISUZU KB P190 2007 Workshop Repair Manual

TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-7
Power Distribution (2)

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7A2-8 TRANSMISSION CONTROL SYSTEM (JR405E)
TCM Power, Ground and Serial Data Circuits

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TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-9
Meters and Warning Lamps

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7A2-10 TRANSMISSION CONTROL SYSTEM (JR405E)
ISS & OSS Sensor, Driving Mode & Brake Switch and APP Signal

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TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-11
TR Switch and Indicator Lamps

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7A2-12 TRANSMISSION CONTROL SYSTEM (JR405E)
PC Solenoid, TCC Solenoid, Shift Solenoid, TFP Switch and TFT Sensor

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TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-13
Component Locator
Transmission Controls Component Views
Legend1. Selector lever
2. Power drive and 3rd start switch
Legend 1. Brake pedal switch
2. Brake pedal
Legend 1. Input shaft speed (ISS) sensor
2. Output shaft speed (OSS) sensor
3. Transmission range (TR) switch
4. In-line harness connector
12
1
2
3
1
24

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7A2-14 TRANSMISSION CONTROL SYSTEM (JR405E)
Legend1. Torque converter housing
2. Torque converter
3. High clutch
4. Reverse clutch
5. 2-4 brake
6. Low clutch
7. Low & reverse brake 8. Output shaft
9. Extension housing
10. Input shaft 11 . O i l p u m p
12. Valve body
13. Low one-way clutch
14. Parking gear
High Clutch
Legend 1. Dish plate
2. High clutch piston
3. Centrifugal cancel cover
4. Centrifugal balance chamber
5. Driven plate
6. Drive plate
7. Retaining plate
8. Snap ring
Low Clutch
Legend
1. Drive plate
2. Driven plate
3. Retaining plate
4. Snap ring
5. Centrifugal cancel cover
6. Centrifugal balance chamber
7. Dish plate
8. Low clutch piston

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TRANSMISSION CONTROL SYSTEM (JR405E) 7A2-15
Reverse Clutch
Legend1. Reverse clutch piston
2. Check ball
3. Driven plate
4. Dish plate
5. Snap ring
6. Retaining plate
7. Drive plate
Low & Reverse Brake
Legend 1. Driven plate
2. Drive plate
3. Snap ring
4. Retaining plate
5. Dish plate
6. Low & reverse brake piston
2-4 Brake
Legend 1. Snap ring
2. 2-4 brake piston
3. Return spring
4. Dish plate
5. Retaining plate
6. Driven plate
7. Drive plate
Transmission Fluid Passages (Oil Pump)
Legend 1. Oil pump passage (inlet)
2. Front lubrication passage
3. High clutch passage
4. Reverse clutch passage
5. Oil pump passage (outlet)

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7A2-16 TRANSMISSION CONTROL SYSTEM (JR405E)
Transmission Fluid Passages (Main Unit)
Legend1. 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

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ISUZU KB P190 2007