Power Flow
WARNING: This page is about a different car, the 2018 Land Rover Discovery Sport. However, it is still accessible from the selected car via links, so may be relevant.
Operation of the transmission is controlled by the TCM which electrically activates various solenoids to control clutches to achieve the required transmission gear selection. The sequence of solenoid activation is based on programmed information in the TCM memory and physical transmission operating conditions such as vehicle speed, throttle position, engine load and the TCS position.
| ITEM | DESCRIPTION |
|---|---|
| 1 | Torque converter lock-up clutch |
| 2 | Torque converter |
| 3 | Torque converter one-way clutch |
| 4 | Multiplate dutch 'E' |
| 5 | Dog clutch 'F' |
| 6 | Planetary gears P4 |
| 7 | Ring gear R4 |
| 8 | Ring gear R3 |
| 9 | Planetary gear P3 |
| 10 | Sun gear S4 |
| 11 | Sun gear S3 |
| 12 | Dog clutch 'A' |
| 13 | Sun gear S1 |
| 14 | Planetary gear P1 |
| 15 | Ring gear R1 |
| 16 | Sun gear S2 |
| 17 | Planetary gear P2 |
| 18 | Ring gear R2 |
| 19 | Multiplate brake 'D' |
| 20 | Multiplate brake 'C' |
| 21 | Multiplate clutch 'B' |