For 1990-2009 cars

Position | Solenoid | Clutch | Brake | 1-Way Clutch
--- | --- | --- | --- | ---
Shift 1 | Shift 2 | Timing | C1 | C2 | C3 | B1 | B2 | B3 | F1 | F2
D | 4th | OFF | ON | OFF | OFF | ON | OFF | ON | ON | OFF | OFF | OFF

A. Front Planetary Gear

B. Rear Planetary Gear

#### D - 4th Gear

1. The input shaft rotates clockwise.

When the direct clutch (C2) operates, it connects the input shaft to the planetary carrier.

2. The planetary carrier revolves clockwise.
3. The planetary long pinion rotates itself clockwise.
4. The rear planetary sun gear is going to rotate counterclockwise.

When the O/D and 2nd brake (B1) operates, it rotates the planetary sun gear.

5. The planetary long pinion revolves clockwise while rotating itself clockwise.
6. The ring gear rotates clockwise.
7. The counter drive gear rotates clockwise.
8. The counter driven gear rotates counterclockwise.
9. The differential gear drive pinion rotates counterclockwise.
10. The differential gear rotates clockwise.

#### Engine Brake

The driving force is connected to the input shaft directory without the 1-way clutch. Therefore the engine brake operates.