AUTOMATIC TRANSMISSION SYSTEM GENERAL

  1. OUTLINE

    1. The A750F 5-speed Electronic Control Transmission (ECT) is used on the models with 1GR-FE or 1KD-FTV engine.

    2. A gate type shift lever is used.

    3. A multi-mode automatic transmission is used.

    4. A shift pattern select system is used.

    5. In addition to the water-cooled type ATF cooler, an ATF warmer is used in the ATF cooling system on the models for Europe with 1GR-FE engine.

    6. In addition to the water-cooled type ATF cooler, an air-cooled type ATF cooler is used in the ATF cooling system on the models with 1GR-FE engine except models for Europe.

  2. SPECIFICATION

    Automatic Transmission Assembly
    Engine Type 1GR-FE 1KD-FTV
    Control ECU ECM TCM
    Gear Ratio 1st 3.520 ←
    2nd 2.042 ←
    3rd 1.400 ←
    4th 1.000 ←
    5th 0.716 ←
    Reverse 3.224 ←
    ATF Cooling System ATF Warmer With*1, Without*2 Without
    Water-cooled Type ATF Cooler With ←
    Air-cooled Type ATF Cooler With*2, Without*1 Without
    Fluid Type Toyota Genuine ATF WS ←
    Fluid Capacity

    10.9 Liters

    (11.5 US qts, 9.6 Imp. qts)

    10.6 Liters

    (11.2 US qts, 9.3 Imp. qts)
    Weight (Reference)*3

    86.8 kg (191.4 lb)*1

    86.5 kg (190.7 lb)*2

    		 87.4 kg (192.7 lb)

    Tech Tips

    *1: Models for Europe

    *2: Models except for Europe

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

Planetary Gears
Compound Gear Unit Front Planetary Gear Assembly No. of Sun Gear Teeth 40
No. of Pinion Gear Teeth Inner 22
Outer 21
No. of Ring Gear Teeth 91
Center Planetary Gear Assembly No. of Sun Gear Teeth 31
No. of Pinion Gear Teeth 23
No. of Ring Gear Teeth 77
Rear Planetary Gear Assembly No. of Sun Gear Teeth 25
No. of Pinion Gear Teeth 19
No. of Ring Gear Teeth 63
Friction Engagement Components and 1-way Clutch
Engine Type 1GR-FE 1KD-FTV

No. 1 Clutch (C1)

 No. of Discs 6 7

No. 2 Clutch (C2)

 5 6

No. 3 Clutch (C3)

 5 ←

No. 1 Brake (B1)

 3 ←

No. 2 Brake (B2)

 3 ←

No. 3 Brake (B3)

 4 ←

No. 4 Brake (B4)

 8 ←

No. 1 1-way Clutch (F1)

 No. of Sprags 18 ←

No. 2 1-way Clutch (F2)

 25 ←

No. 3 1-way Clutch (F3)

 26 ←
Torque Converter Clutch Assembly
Torque Converter Clutch Type 3-element, 1-step, 2-phase
Stall Torque Ratio 1.850