AUTOMATIC TRANSMISSION SYSTEM


  1. OUTLINE


    1. The AA80F 8-speed automatic transmission [8-speed Super Electronic Controlled Transmission (ECT)] is used on AWD models.

    2. A gate type shift lever is used.

    3. A multi-mode automatic transmission is used.

    4. The drive mode select with a large-size dial knob and the SNOW mode switch are installed on the combination switch assembly, thus allowing the drive mode to be changed between ECO, COMFORT, NORMAL, SPORT S, SPORT S+ and SNOW.

  2. SPECIFICATION

    Automatic Transmission Assembly
    Gear Ratio 1st 4.596
    2nd 2.724
    3rd 1.863
    4th 1.464
    5th 1.231
    6th 1.000
    7th 0.824
    8th 0.685
    Reverse 2.176
    Fluid Type Toyota Genuine ATF WS
    Fluid Capacity 10.7 Liters (11.3 US qts, 9.4 Imp. qts)
    Weight (Reference)* 98.3 kg (216.7 lb)

    Tech Tips

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

    Planetary Gears
    Front Planetary Gear Unit No. of Sun Gear Teeth 38
    No. of Inner Pinion Gear Teeth 16
    No. of Outer Pinion Gear Teeth 19
    No. of Ring Gear Teeth 82
    Rear Planetary Gear Unit No. of Middle Sun Gear Teeth 34
    No. of Rear Sun Gear Teeth 30
    No. of Long Pinion Gear Teeth 20
    No. of Short Pinion Gear Teeth 17
    No. of Ring Gear Teeth 74
    Friction Engagement Components and 1-way Clutch

    No. 1 Clutch (C1)

    		 No. of Discs 6

    No. 2 Clutch (C2)

    		 6

    No. 3 Clutch (C3)

    		 4

    No. 4 Clutch (C4)

    		 5

    No. 1 Brake (B1)

    		 No. of Discs 5

    No. 2 Brake (B2)

    		 4

    No. 1 1-way Clutch (F1)

    		 No. of Sprags 39
    Torque Converter Assembly
    Torque Converter Type 3-element, 1-step, 2-phase
    Stall Torque Ratio 1.83