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STRUCTURE AND FUNCTION
12Y
HYDRAULIC CONVERTER-TRANSMISSION CIRCUIT DIAGRAM
1. Filter pressure relief valve
2. Oil flow divider
3. Torque converter
4. Torque converter pressure
relief valve
5. 1st gear clutch solenoid valve
6. 3rd gear clutch solenoid valve
7. Forward clutch proportional
solenoid valve
8. Reverse clutch proportional
solenoid valve
9. 4th gear clutch solenoid valve
10. 4WD clutch solenoid valve
11. 2nd gear clutch solenoid valve
WB140PS-2N, WB150PS-2N
12. Oil temperature sensor (alarm)
13. Oil pressure sensor (alarm)
14. 1st gear filling pressure sensor
15. 3rd gear filling pressure sensor
16. 4th gear filling pressure sensor
17. 2nd gear filling pressure sen-
sor
18. 1st gear clutch - pressure
check point
19. 3rd gear clutch - pressure
check point
20. Forward gear clutch - pressure
check point
21. Forward gear clutch - pressure
check point
22. Reverse gear clutch - pres-
sure check point
TRANSMISSION
23. Reverse gear clutch - pres-
sure check point
24. 4th gear clutch - pressure
check point
25. 4WD gear clutch - pressure
check point
26. 4WD gear clutch - pressure
check point
27. 2nd gear clutch - pressure
check point
28. Torque converter - pressure
check point
29. Lubrication - pressure check
point
30. General oil clutch - pressure
check point
31. 1st gear antishock valve
32. 2nd gear anitshock valve
33. 3rd gear antishock valve
10-7
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