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.

      B002NBXC01
      *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)
      B002NQKC01
      *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)

        B002NPGC01
        B002MW5 Operates - -

      2. 1st Gear (Shift Lever in S1)

        B002NM4C01
        B002MW5 Operates B002N81 Operates during Engine Braking

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

        B002MTYC01
        B002MW5 Operates - -

      4. 2nd Gear (Shift Lever in S2)

        B002N1UC01
        B002MW5 Operates B002N81 Operates during Engine Braking

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

        B002NI3C01
        B002MW5 Operates B002N81 Operates but is not Related to Power Transmission

      6. 3rd Gear (Shift Lever in S3)

        B002NHCC01
        B002NDC Operates B002N81 Operates but is not Related to Power Transmission
        B002MW5 Operates during Engine Braking - -

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

        B002MUKC01
        B002MW5 Operates B002N81 Operates but is not Related to Power Transmission

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

        B002MVGC01
        B002MW5 Operates B002N81 Operates but is not Related to Power Transmission

      9. Reverse Gear (Shift Lever in R)

        B002MSKC01
        B002MW5 Operates B002N81 Operates during Engine Braking