Mazda CX-9 2007 Service Highlights page 252

AUTOMATIC TRANSAXLE [AW6A-EL, AW6AX-EL]
Power transmission pathway
[Operating components: B1 brake, C2 clutch]
Planetary gear unit
1. Input shaft (rotates clockwise) [same revolution as the torque converter's turbine runner]
2. Intermediate shaft (rotates clockwise) [same revolution as the torque converter's turbine runner]
3. B1 brake [locks the rear planetary middle sun gear]
4. C2 clutch [connects the intermediate shaft and the rear planetary carrier]
5. Rear planetary carrier (rotates clockwise) [same revolution as the intermediate shaft]
6. Rear planetary long pinion gear (rotates clockwise on its axis, orbits clockwise)
[because the rear planetary middle sun gear is locked, it is always in a speed increasing condition]
7. Rear planetary ring gear (rotates clockwise)
[because the rear planetary long pinion gear's rotation is added to the rear planetary carrier revolution, the rear
planetary ring gear revolution is faster than those of the rear planetary carrier]
8. Counter drive gear (rotates clockwise)
[because the rear planetary ring gear is installed on the counter drive gear, the rotational direction and
revolution are the same as the rear planetary ring gear]
9. Counter gear (rotates counterclockwise)
10. Differential ring gear (rotates clockwise)
Engine brake
• When the engine brake is operating, driving force is transmitted from the tires.
R position
C2 CLUTCH B2 BRAKE
05-17–16
Front
Rear
ONE-WAY
COUNTER DRIVE GEAR
CLUTCH
B1 BRAKE
COUNTER GEAR
Input, Locked, Output
-
Input: Carrier
Locked: Middle Sun gear
Output: Ring gear
C1 CLUTCH
C3 CLUTCH
RING GEAR
(DIFFERENTIAL)
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