Mazda 2007 CX-9, Service Highlights

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AUTOMATIC TRANSAXLE [AW6A-EL, AW6AX-EL]
05-17–9
05-17
Power transmission pathway
[Operating components: C1 clutch, One-way clutch]
•
Operating components:
C1 clutch, One-way clutch (counterclockwise rotation is locked), B2 brake (ON when engine brake is operating)
1. Input shaft (rotates clockwise) [same revolutions as the torque converter’s turbine runner]
2. Front planetary ring gear (rotates clockwise) [same revolutions as the input shaft]
3. Front planetary pinion gear (rotates clockwise on its axis, orbits clockwise)
[because the front planetary sun gear is locked by the oil pump, it is pressed against the front planetary ring
gear and orbits the sun gear while rotating on its axis (because the front planetary ring gear has internal gears,
the rotational direction does not change)]
4. Front planetary carrier (rotates clockwise)
[reduction: same revolution as the front planetary pinion gear orbit revolution]
5. C1 clutch (rotates clockwise) [connects the front planetary carrier and the rear planetary rear sun gear]
6. Rear planetary rear sun gear (rotates clockwise) [same revolution as the front planetary carrier]
7. Rear planetary short pinion gear (rotates counterclockwise on its axis)
[the rear planetary carrier tries to rotate counterclockwise, but the counterclockwise rotation is locked by one-
way clutch.]
8. Rear planetary long pinion gear (rotates clockwise on its axis)
[the rear planetary middle sun gear rotates counterclockwise (idling)]
9. Rear planetary ring gear (rotates clockwise)
[the rear planetary ring gear is rotated by the rear planetary long pinion gear (because the rear planetary ring
gear has internal gears, the rotational direction does not change)]
10. Counter drive gear (rotates clockwise)
[because the rear planetary ring gear is installed on the counter drive gear, the rotational direction and the
revolution are the same as the rear planetary ring gear]
11. Counter gear (rotates counterclockwise)
12. Differential ring gear (rotates clockwise)
Planetary gear unit Input, Locked, Output
Front
Input: Ring gear
Locked: Sun gear
Output: Carrier
Rear
Input: Rear sun gear
Locked: Carrier
Output: Ring gear
3423-1U-06H(05-17).fm 9 ページ ２００６年１１月２１日 火曜日 午後５時１７分