Operation

OPERATION

1. OPERATION TABLE






2. N RANGE
since both forward brake and reverse brake are in the release status, driving force of input shaft is not transmitted to output shaft.

3. P RANGE
- As with N range, since both forward brake and reverse brake are in the release status, driving force of input shaft is not transmitted to output shaft.
- The parking pawl that operates in conjunction with the select lever engages with the parking gear and mechanically fixes the output shaft.






4. 1st GEAR IN D RANGE
- Forward brake operates to fix the mid sun gear.
- 1st one-way clutch operates to restrain reverse rotation of rear sun gear.
- 3rd one-way clutch operates to restrain reverse rotation of front sun gear.
- During deceleration, because the rear sun gear rotates in normal direction, 1st one-way clutch slips and engine brake does not work.






5. 1st GEAR IN MANUAL MODE
- Front brake operates to fix the front sun gear.
- Forward brake operates to fix the mid sun gear.
- High & low reverse clutch operates to engage rear sun gear and mid sun gear.
- Forward brake operates to fix the mid sun gear.
- During deceleration, high & low reverse clutch restrains normal rotation of rear sun gear and engine brake works.






6. 2nd GEAR IN D RANGE
- Forward brake operates to fix the mid sun gear.
- 3rd one-way clutch operates to restrain reverse rotation of front sun gear.
- Direct clutch engages and connects rear carrier and rear sun gear.
- Engine brake works during deceleration.






7. 2nd GEAR IN MANUAL MODE
- Forward brake engages and fixes the mid sun gear.
- Front brake operates to fix the front sun gear.
- Direct clutch engages and connects rear carrier and rear sun gear.
- Engine brake works during deceleration.






8. 3rd GEAR IN D RANGE OR MANUAL MODE
- Front brake operates to fix the front sun gear.
- Direct clutch engages and connects rear carrier and rear sun gear.
- High & low reverse clutch engages and connects mid sun gear and rear sun gear.






9. 4th GEAR IN D RANGE OR MANUAL MODE
- Direct clutch engages and connects rear carrier and rear sun gear.
- High & low reverse clutch engages and connects mid sun gear and rear sun gear.
- Input clutch engages and connects front internal gear and mid internal gear.
- Driving force is transmitted to front internal gear, mid internal gear and rear carrier, and the three planetary gears rotate in normal direction as a unit.






10. 5th GEAR IN D RANGE OR MANUAL MODE
- Front brake operates to fix the front sun gear.
- Input clutch engages and connects front internal gear and mid internal gear.
- High & low reverse clutch engages and connects mid sun gear and rear sun gear.






11. R RANGE
- Front brake operates to fix the front sun gear.
- High & low reverse clutch engages and connects mid sun gear and rear sun gear.
- Reverse brake operates to fix the rear carrier.