AUTOMATIC TRANSAXLE SYSTEM GENERAL

  1. OUTLINE

    1. The U660E 6-speed Super Electronically Controlled Transaxle (Super ECT) is used on the models with 2AD-FHV engine.

    2. A gate type shift lever is used.

    3. A pattern select switch is used.

    4. A shift paddle switch (transmission shift switch assembly) is used.

  2. SPECIFICATION

    Automatic Transaxle Assembly
    Gear Ratio 1st 3.300
    2nd 1.900
    3rd 1.420
    4th 1.000
    5th 0.713
    6th 0.608
    Reverse 4.148
    Differential Gear Ratio*1 3.685
    Fluid Capacity*2 6.5 Litters (6.87 US qts, 5.72 Imp. qts)
    Fluid Type Toyota Genuine ATF WS
    Weight (Reference)*3 95.6 kg (210.3 lb)

    Tech Tips

    *1: Counter gear ratio included.

    *2: Differential included.

    *3: Weight shows the figure with the fluid fully filled.

Friction Engagement Components and 1-way Clutch

No. 1 Clutch (C1)

No. of Discs 4

No. 2 Clutch (C2)

3

No. 1 Brake (B1)

4

No. 2 Brake (B2)

5

No. 3 Brake (B3)

3

No. 1 1-way Clutch (F1)

No. of Rollers 20
Planetary Gears and Counter Gear
Ravigneaux Planetary Gear Unit No. of Front Sun Gear Teeth 27
No. of Rear Sun Gear Teeth 30
No. of Long Pinion Gear Teeth 20
No. of Short Pinion Gear Teeth 22
No. of Ring Gear Teeth 69
Underdrive Planetary Gear Unit No. of Sun Gear Teeth 66
No. of Pinion Gear Teeth 21
No. of Ring Gear Teeth 110
Counter Gear No. of Drive Gear Teeth 44
No. of Driven Gear Teeth 47
Torque Converter Clutch Assembly
Torque Converter Clutch Type 3-element, 1-step, 2-phase
Stall Torque Ratio 1.74