2010 INFINITI QX56 Factory Service Manual

Page 3705 of 4210

INFINITI QX56 2010  Factory Service Manual TM-10
< FUNCTION DIAGNOSIS >
A/T CONTROL SYSTEM
FUNCTION OF CLUTCH AND BRAKE 
CLUTCH AND BAND CHART 
1. Front brake 2. Input clutch3. Direct clutch
4. High and low reverse clutch 5. Reverse brake6. Fo

Page 3706 of 4210

INFINITI QX56 2010  Factory Service Manual A/T CONTROL SYSTEMTM-11
< FUNCTION DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
• —Operates
• —Operates during “pro gressive” acceleration.
• —Operates and effects power transmission whi

Page 3707 of 4210

INFINITI QX56 2010  Factory Service Manual TM-12
< FUNCTION DIAGNOSIS >
A/T CONTROL SYSTEM
Since both the forward brake and the reverse brake are released, torque from the input shaft drive is not trans-
mitted to the output shaft.
“P” Pos

Page 3708 of 4210

INFINITI QX56 2010  Factory Service Manual A/T CONTROL SYSTEMTM-13
< FUNCTION DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
“1” Position 1GR
• The front brake fastens the front sun gear.
• The forward brake and the forward one-way clutch

Page 3709 of 4210

INFINITI QX56 2010  Factory Service Manual TM-14
< FUNCTION DIAGNOSIS >
A/T CONTROL SYSTEM
“D”, “4”, “3” Positions 2GR
• The forward brake and the forward one-way clutch regulate reverse rotation of the mid sun gear.
• The 3rd

Page 3710 of 4210

INFINITI QX56 2010  Factory Service Manual A/T CONTROL SYSTEMTM-15
< FUNCTION DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
“2”, “1” Positions 2GR
• The front brake fastens the front sun gear.
• The forward brake and the forward one-w

Page 3711 of 4210

INFINITI QX56 2010  Factory Service Manual TM-16
< FUNCTION DIAGNOSIS >
A/T CONTROL SYSTEM
“D”, “4”, “3” Positions 3GR
• The front brake fastens the front sun gear.
• The direct clutch is coupled, and the rear carrier and rear

Page 3712 of 4210

INFINITI QX56 2010  Factory Service Manual A/T CONTROL SYSTEMTM-17
< FUNCTION DIAGNOSIS >
CEF
G H
I
J
K L
M A
B
TM
N
O P
“D”, “4” Positions 4GR
• The direct clutch is coupled, and the rear carrier and rear sun gear are connected.
•