AUTOMATIC TRANSMISSION SYSTEM


  1. CONSTRUCTION


    • The gear train consists of 4 multi-plate clutches, 4 multi-plate brakes, 4 1-way clutches, and 3 sets of planetary gears each consisting of a sun gear, a pinion gear and a ring gear.

    A01MQRUC01
    *1 No. 2 Clutch (C2) *2 Input Shaft
    *3 No. 4 Clutch (C4) *4 No. 4 1-way Clutch (F4)
    *5 No. 2 1-way Clutch (F2) *6 No. 1 1-way Clutch (F1)
    *7 Front Planetary Gear *8 Center Planetary Gear
    *9 No. 3 1-way Clutch (F3) *10 Rear Planetary Gear
    *11 Intermediate Shaft *12 Output Shaft
    *13 No. 4 Brake (B4) *14 No. 2 Brake (B2)
    *15 No. 1 Brake (B1) *16 No. 3 Brake (B3)
    *17 No. 1 Clutch (C1) *18 No. 3 Clutch (C3)
    A01MQYUC01
    *1 Input Shaft *2 Intermediate Shaft
    *3 Front Planetary Gear *4 Center Planetary Gear
    *5 Rear Planetary Gear *6 Output Shaft

  2. OPERATION


    1. Transmission Power Flow

      Operating Condition of Shift Solenoid Valves
      Shift Position, Shift Range and Gear Range Shift Solenoid Valve
      S1 S2 S3 S4 SR SL1 SL2 SLU
      P Off On On Off On Off On Off
      R Off On On Off On Off On Off
      N Off On On Off On Off On Off
      D, D6 1st Off On On Off On Off On Off
      2nd On On On Off On Off On Off
      3rd On Off On Off On Off On On
      4th On Off Off Off On Off On On
      5th On Off Off On Off On Off On
      6th On On Off On Off On Off On
      D5 1st Off On On Off On Off On Off
      2nd On On On Off On Off On Off
      3rd On Off On Off On Off On On
      4th On Off Off Off On Off On On
      5th On Off Off On Off On Off On
      D4 1st Off On On Off On Off On Off
      2nd On On On Off On Off On Off
      3rd On Off On Off On Off On On
      4th On Off Off Off On Off On On
      D3 1st Off On On Off On Off On Off
      2nd On On On Off On Off On Off
      3rd On Off On Off On Off On Off
      D2 1st Off On On Off On Off On Off
      2nd On On On Off On Off On Off
      D1 1st Off On On Off On Off On Off
      M1 1st Off On On Off On Off On Off
      M2 2nd On On On Off On Off On Off
      M3 3rd On Off On Off On Off On Off
      M4 4th On Off Off Off On Off On On
      M5 5th On Off Off On Off On Off On
      M6 6th On On Off On Off On Off On
      Operating Condition of Friction Engagement Components and 1-way Clutch
      Shift Position, Shift Range and Gear Range Clutch Brake 1-way Clutch

      C1

      C2

      C3

      C4

      B1

      B2

      B3

      B4

      F1

      F2

      F3

      F4

      P - - - - - - - - - - - -
      R - - ○ - (○) - - ○ ○ - - -
      N - - - - - - - - - - - -
      D, D6 1st ○ - - ○ - - - - - - ○ ○
      2nd ○ - - ○ - - ○ - ○ ○ - ○
      3rd ○ - ○ ○ - - ● - ○ - - ○
      4th ○ ○ ● ○ - - ● - - - - ○
      5th ● ○ ○ - ○ - ● - - - - -
      6th ● ○ - - ● ○ ● - - - - -
      D5 1st ○ - - ○ - - - - - - ○ ○
      2nd ○ - - ○ - - ○ - ○ ○ - ○
      3rd ○ - ○ ○ - - ● - ○ - - ○
      4th ○ ○ ● ○ - - ● - - - - ○
      5th ● ○ ○ - ○ - ● - - - - -
      D4 1st ○ - - ○ - - - - - - ○ ○
      2nd ○ - - ○ - - ○ - ○ ○ - ○
      3rd ○ - ○ ○ - - ● - ○ - - ○
      4th ○ ○ ● ○ - - ● - - - - ○
      D3 1st ○ - - ○ - - - - - - ○ ○
      2nd ○ - - ○ - - ○ - ○ ○ - ○
      3rd ○ - ○ ○ (○) - ● - ○ - - ○
      D2 1st ○ - - ○ - - - - - - ○ ○
      2nd ○ - - ○ - (○) ○ - ○ ○ - ○
      D1 1st ○ - - ○ - - - (○) - - ○ ○
      M1 1st ○ - - ○ - - - (○) - - ○ ○
      M2 2nd ○ - - ○ - (○) ○ - ○ ○ - ○
      M3 3rd ○ - ○ ○ (○) - ● - ○ - - ○
      M4 4th ○ ○ ● ○ - - ● - - - - ○
      M5 5th ● ○ ○ - ○ - ● - - - - -
      M6 6th ● ○ - - ● ○ ● - - - - -

      Tech Tips

      ○: Operates

      ●: Operates but is not related to power transmission

      (○): Operates during engine braking

      -: Does not operate

      Figure 1. 1st Gear

      A01MQZ5
      B003SGU Operates B003SNU Operates during engine braking

      Figure 2. 2nd Gear

      A01MQRK
      B003SGU Operates B003SNU Operates during engine braking

      Figure 3. 3rd Gear

      A01MR3O
      B003SGU Operates B003SNU Operates during engine braking
      A001H6K Operates but is not related to power transmission - -

      Figure 4. 4th Gear

      A01MQV4
      B003SGU Operates B003SNU Operates during engine braking
      A001H6K Operates but is not related to power transmission - -

      Figure 5. 5th Gear

      A01MQW6
      B003SGU Operates A001H6K Operates but is not related to power transmission

      Figure 6. 6th Gear

      A01MQWS
      B003SGU Operates A001H6K Operates but is not related to power transmission

      Figure 7. Reverse Gear

      A01MQXZ
      B003SGU Operates B003SNU Operates during engine braking