2011 INFINITI QX56 Factory Service Manual

Page 5105 of 5598

INFINITI QX56 2011  Factory Service Manual 
STRUCTURE AND OPERATIONTM-17
< SYSTEM DESCRIPTION > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
1. Low brake 2. Drum support 3. Reverse brake
4. Direct clutch 5. High and low reverse clutch 6. 2nd

Page 5106 of 5598

INFINITI QX56 2011  Factory Service Manual 
TM-18
< SYSTEM DESCRIPTION >[7AT: RE7R01B]
STRUCTURE AND OPERATION
TRANSMISSION : System Diagram
INFOID:0000000006226763
TRANSMISSION : System DescriptionINFOID:0000000006226764
DESCRIPTION
JSDIA0877

Page 5107 of 5598

INFINITI QX56 2011  Factory Service Manual 
STRUCTURE AND OPERATIONTM-19
< SYSTEM DESCRIPTION > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
With the use of 4 sets of planetary gears, A/T enabl es 7-speed transmission for forward and 1-speed

Page 5108 of 5598

INFINITI QX56 2011  Factory Service Manual 
TM-20
< SYSTEM DESCRIPTION >[7AT: RE7R01B]
STRUCTURE AND OPERATION
Since the low brake is released, torque from the input
 shaft drive is not transmitted to the output shaft.
“P” Position
JSDIA08

Page 5109 of 5598

INFINITI QX56 2011  Factory Service Manual 
STRUCTURE AND OPERATIONTM-21
< SYSTEM DESCRIPTION > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
 The same as for the “N” position, since the low brake is  released, so torque from the input s

Page 5110 of 5598

INFINITI QX56 2011  Factory Service Manual 
TM-22
< SYSTEM DESCRIPTION >[7AT: RE7R01B]
STRUCTURE AND OPERATION
 The 1st one-way clutch regulates countercloc
kwise rotation of the under drive carrier.
 The 2nd one-way clutch regulates counter

Page 5111 of 5598

INFINITI QX56 2011  Factory Service Manual 
STRUCTURE AND OPERATIONTM-23
< SYSTEM DESCRIPTION > [7AT: RE7R01B]
C
EF
G H
I
J
K L
M A
B
TM
N
O P
Front planetary gear
Under drive planetary gear
Rear planetary gear
Mid planetary gear
“M1” Posi

Page 5112 of 5598

INFINITI QX56 2011  Factory Service Manual 
TM-24
< SYSTEM DESCRIPTION >[7AT: RE7R01B]
STRUCTURE AND OPERATION
 The 1st one-way clutch and the front brake regulate c
ounterclockwise rotation of the under drive carrier.
NOTE:
The front brake o