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.

The direct clutch (C2) operates. Connect 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.

The O/D and 2nd brake (B1) operates. Lock 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 for the ring gear and one.
8. The counter driven gear rotates counterclockwise.
9. The differential gear drive pinion rotates counterclockwise for the counter driven gear and one.
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.