AUTOMATIC TRANSAXLE SYSTEM


  1. OUTLINE


    1. The U241E 4-speed Super Electronically Controlled Transaxle (Super ECT) is used on the models with 1AZ-FE and 3ZR-FE engines.

    2. A gate type shift lever is used.

  2. SPECIFICATION

    Automatic Transaxle Assembly
    Gear Ratio*1 1st 3.943
    2nd 2.197
    3rd 1.413
    4th 1.020
    Reverse 3.145
    Differential Gear Ratio 2.923
    Fluid Type Toyota Genuine ATF WS
    Fluid Capacity 7.8 Liters (8.24 US qts, 6.86 Imp. qts)
    Weight (Reference)*2 89.0 kg (195.8 lb)

    Tech Tips

    *1: Counter gear ratio included

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

    Friction Engagement Components and 1-way Clutch

    Forward Clutch (C1)

    		 No. of Discs 4

    Direct Clutch (C2)

    		 3

    Underdrive Clutch (C3)

    		 3

    2nd Brake (B1)

    		 3

    1st and Reverse Brake (B2)

    		 5

    Underdrive Brake (B3)

    		 3

    1-way Clutch (F1)

    		 No. of Sprags 22

    Underdrive 1-way Clutch (F2)

    		 15
    Planetary Gear and Counter Gear
    Front Planetary Gear No. of Sun Gear Teeth 43
    No. of Pinion Gear Teeth 17
    No. of Ring Gear Teeth 77
    Rear Planetary Gear No. of Sun Gear Teeth 31
    No. of Pinion Gear Teeth 19
    No. of Ring Gear Teeth 69
    Underdrive Planetary Gear No. of Sun Gear Teeth 32
    No. of Pinion Gear Teeth 26
    No. of Ring Gear Teeth 83
    Counter Gear No. of Drive Gear Teeth 50
    No. of Driven Gear Teeth 51
    Torque Converter Clutch Assembly
    Torque Converter Clutch Type 3-element, 1-step, 2-phase
    Stall Torque Ratio Models with 1AZ-FE Engine 1.80
    Models with 3ZR-FE Engine 1.85