AUTOMATIC TRANSMISSION SYSTEM


  1. CONSTRUCTION


    1. The gear train consists of three multi-plate clutches, four multi-plate brakes, three 1-way clutches, and three sets of planetary gears each consisting of a sun gear, a pinion gear and a ring gear.

      B0020N8C01
      *1 Input Shaft *2 No. 1 Clutch (C1)
      *3 No. 2 1-way Clutch (F2) *4 No. 1 1-way Clutch (F1)
      *5 Front Planetary Gear Assembly *6 Intermediate Shaft
      *7 Center Planetary Gear Assembly *8 No. 3 1-way Clutch (F3)
      *9 Rear Planetary Gear Assembly *10 Output Shaft
      *11 No. 4 Brake (B4) *12 No. 2 Brake (B2)
      *13 No. 1 Brake (B1) *14 No. 3 Brake (B3)
      *15 No. 3 Clutch (C3) *16 No. 2 Clutch (C2)
      B0020EGC01
      *1 Input Shaft *2 Intermediate Shaft
      *3 Front Planetary Gear Assembly *4 Center Planetary Gear Assembly
      *5 Rear Planetary Gear Assembly *6 Output Shaft

  2. OPERATION


    1. Power Flow

      Shift Position and Gear Position Shift Solenoid Valve
      SL1 SL2 S1 S2 SR SLU
      P - ○ ○ - - -
      R - ○ ○ - - -
      N - ○ ○ - - -
      D.S5 1st - ○ ○ - - -
      2nd - ○ ○ ○ - -
      3rd - ○ - ○ - -
      4th - ○ - - - -
      5th ○ - - - ○ ○
      S4 1st - ○ ○ - - -
      2nd - ○ ○ ○ - -
      3rd - ○ - ○ - -
      4th - ○ - - - ○
      S3 1st - ○ ○ - - -
      2nd - ○ ○ ○ - -
      3rd - - - ○ - -
      S2 1st - ○ ○ - - -
      2nd - - ○ ○ ○ -
      S1 1st - - ○ - - -

      Tech Tips

      ○: Operates

      Shift Position and Gear Position Clutch Brake
      C1 C2 C3 B1 B2 B3 B4
      P - - - - - - -
      R - - ○ (○) - - ○
      N - - - - - - -
      D.S5 1st ○ - - - - - -
      2nd ○ - - - - ○ -
      3rd ○ - ○ - - ● -
      4th ○ ○ ● - - ● -
      5th - ○ ○ ○ - ● -
      S4 1st ○ - - - - - -
      2nd ○ - - - - ○ -
      3rd ○ - ○ - - ● -
      4th ○ ○ ● - - ● -
      S3 1st ○ - - - - - -
      2nd ○ - - - - ○ -
      3rd ○ - ○ (○) - ● -
      S2 1st ○ - - - - - -
      2nd ○ - - - (○) ○ -
      S1 1st ○ - - - - - (○)

      Tech Tips

      ○: Operates

      ●: Operates but is not related to power transmission

      (○): Operates during engine braking

      Shift Position and Gear Position One-way Clutch
      F1 F2 F3
      P - - -
      R ○ - -
      N - - -
      D.S5 1st - - ○
      2nd ○ ○ -
      3rd ○ - -
      4th - - -
      5th - - -
      S4 1st - - ○
      2nd ○ ○ -
      3rd ○ - -
      4th - - -
      S3 1st - - ○
      2nd ○ ○ -
      3rd ○ - -
      S2 1st - - ○
      2nd ○ ○ -
      S1 1st - - ○

      Tech Tips

      ○: Operates


      1. 1st Gear (Shift Lever in D, S5, S4, S3, S2)

        B0020G5C01
        B0020NM Operates - -

      2. 1st Gear (Shift Lever in S1)

        B0020GPC01
        B0020NM Operates B0020GD Operates during Engine Braking

      3. 2nd Gear (Shift Lever in D, S5, S4, S3)

        B0020IIC01
        B0020NM Operates - -

      4. 2nd Gear (Shift Lever in S2)

        B0020HAC01
        B0020NM Operates B0020GD Operates during Engine Braking

      5. 3rd Gear (Shift Lever in D, S5, S4)

        B0020KQC01
        B0020NM Operates B0020GD Operates but is not Related to Power Transmission

      6. 3rd Gear (Shift Lever in S3)

        B0020HYC01
        B0020GS Operates B0020GD Operates but is not Related to Power Transmission
        B0020NM Operates during Engine Braking - -

      7. 4th Gear (Shift Lever in D, S5, S4)

        B0020ALC01
        B0020NM Operates B0020GD Operates but is not Related to Power Transmission

      8. 5th Gear (Shift Lever in D, S5)

        B0020CLC01
        B0020NM Operates B0020GD Operates but is not Related to Power Transmission

      9. Reverse Gear (Shift Lever in R)

        B0020HNC01
        B0020NM Operates B0020GD Operates during Engine Braking