Automatic Transmission/Transaxle: Description and Operation

Circuit Diagram - QG18DE (Calif. CA Model) & SR20DE





Circuit Diagram - QG18DE (Except Calif. CA Model)





Cross-sectional View - RE4F03B





Hydraulic Control Circuit





Shift Mechanism





FUNCTION OF CLUTCH AND BRAKE





CLUTCH AND BAND CHART

POWER TRANSMISSION
"N" and "P" Positions





- "N" position
Power from the input shaft is not transmitted to the output shaft. because the clutches do not operate.
- "P" position
Similar to the "N" position, the clutches do not operate. The parking pawl engages with the parking gear to mechanically hold the output shaft so that the power train is locked.








"1-1" Position








"D-1" and "2-1" Positions








"D-2", "2-2" and "1-2" Positions








"D-3" Position








"D-4" (OD) Position








"R" Position