## Automatic Transmission

#### System Description (cont'd)

14-24

Power Flow (cont'd)

In or position, the optimum gear is automatically selected from the 1st, 2nd, 3rd and 4th gears, according to conditions such as the balance between the throttle opening (engine loading) and vehicle speed.

or Position in 1st gear

- Hydraulic pressure is applied to the 1st clutch, then the 1st clutch engages the mainshaft 1st gear with the mainshaft.
- The mainshaft 1st gear drives the countershaft 1st gear and the countershaft.
- Power is transmitted to the final drive gear, which in turn drives the final driven gear.

  1. TORQUE CONVERTER
  2. SUB-SHAFT
  3. MAINSHAFT 1ST GEAR
  4. 1ST CLUTCH
  5. MAINSHAFT
  6. COUNTERSHAFT
  7. ONE-WAY CLUTCH
  8. PARK GEAR
  9. COUNTERSHAFT 1ST GEAR
  10. FINAL DRIVEN GEAR
  11. FINAL DRIVE GEAR