Infiniti FX35 / FX45. Manual — part 22
AT-16
< SERVICE INFORMATION >
A/T CONTROL SYSTEM
A/T CONTROL SYSTEM
Cross-Sectional View (2WD Models)
INFOID:0000000001327131
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High and low reverse clutch
6.
Reverse brake
7.
Drum support
8.
Forward brake
9.
Low coast brake
10. Input shaft
11.
Torque converter
12. Oil pump
13. Front brake
14.
3rd one-way clutch
15. Input clutch
16. 1st one-way clutch
17.
Control valve with TCM
18. Forward one-way clutch
19. Rear extension
20.
Output shaft
SCIA5262E
A/T CONTROL SYSTEM
AT-17
< SERVICE INFORMATION >
D
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F
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I
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K
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A
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AT
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Cross-Sectional View (VQ35DE Models for AWD)
INFOID:0000000001327132
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High and low reverse clutch
6.
Reverse brake
7.
Drum support
8.
Forward brake
9.
Low coast brake
10. Input shaft
11.
Torque converter
12. Oil pump
13. Front brake
14.
3rd one-way clutch
15. Input clutch
16. 1st one-way clutch
17.
Control valve with TCM
18. Forward one-way clutch
19. Adapter case
20.
Output shaft
SCIA5263E
AT-18
< SERVICE INFORMATION >
A/T CONTROL SYSTEM
Cross-Sectional View (VK45DE Models for AWD)
INFOID:0000000001327133
Shift Mechanism
INFOID:0000000001327134
The A/T uses compact triple planetary gear systems to improve power transmission efficiency, simplify con-
struction and reduce weight.
It also employs an optimum shift control and super wide gear ratios. They improve starting performance and
acceleration during medium and high-speed operation.
CONSTRUCTION
1.
Front planetary gear
2.
Mid planetary gear
3.
Rear planetary gear
4.
Direct clutch
5.
High and low reverse clutch
6.
Reverse brake
7.
Drum support
8.
Forward brake
9.
Low coast brake
10. Input shaft
11.
Torque converter
12. Oil pump
13. Front brake
14.
3rd one-way clutch
15. Input clutch
16. 1st one-way clutch
17.
Control valve with TCM
18. Forward one-way clutch
19. Adapter case
20.
Output shaft
SCIA5268E
A/T CONTROL SYSTEM
AT-19
< SERVICE INFORMATION >
D
E
F
G
H
I
J
K
L
M
A
B
AT
N
O
P
FUNCTION OF CLUTCH AND BRAKE
1.
Front brake
2.
Input clutch
3.
Direct clutch
4.
High and low reverse clutch
5.
Reverse brake
6.
Forward brake
7.
Low coast brake
8.
1st one-way clutch
9.
Forward one-way clutch
10. 3rd one-way clutch
11.
Front sun gear
12. Input shaft
13. Mid internal gear
14.
Front internal gear
15. Rear carrier
16. Rear sun gear
17.
Mid sun gear
18. Front carrier
19. Mid carrier
20.
Rear internal gear
21. Output shaft
22. Parking gear
23.
Parking pawl
PCIA0002J
Name of the Part
Abbreviation
Function
Front brake (1)
FR/B
Fastens the front sun gear (11).
Input clutch (2)
I/C
Connects the input shaft (12), the front internal gear (14) and the mid internal
gear (13).
Direct clutch (3)
D/C
Connects the rear carrier (15) and the rear sun gear (16).
High and low reverse clutch (4)
HLR/C
Connects the mid sun gear (17) and the rear sun gear (16).
Reverse brake (5)
R/B
Fastens the rear carrier (15).
Forward brake (6)
Fwd/B
Fastens the mid sun gear (17).
Low coast brake (7)
LC/B
Fastens the mid sun gear (17).
1st one-way clutch (8)
1st OWC
Allows the rear sun gear (16) to turn freely forward relative to the mid sun gear
(17) but fastens it for reverse rotation.
Forward one-way clutch (9)
Fwd OWC
Allows the mid sun gear (17) to turn freely in the forward direction but fastens it
for reverse rotation.
3rd one-way clutch (10)
3rd OWC
Allows the front sun gear (11) to turn freely in the forward direction but fastens
it for reverse rotation.
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