2005 INFINITI QX4 Factory Service Manual

Page 89 of 3419

INFINITI QX4 2005  Factory Service Manual AT-18
A/T CONTROL SYSTEM
Revision: October 20052005 QX56
Shift MechanismECS00CDV
The automatic transmission uses compact triple planetary gear systems to improve power-transmission effi-
ciency, simpl

Page 90 of 3419

INFINITI QX4 2005  Factory Service Manual A/T CONTROL SYSTEM
AT-19
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
CLUTCH AND BAND CHART 
—Operates
—Operates during “progressive” acceleration.
—Operates and effects powe

Page 91 of 3419

INFINITI QX4 2005  Factory Service Manual AT-20
A/T CONTROL SYSTEM
Revision: October 20052005 QX56
POWER TRANSMISSION 
“N” Position
Since both the forward brake and the reverse brake are released, torque from the input shaft drive is not

Page 92 of 3419

INFINITI QX4 2005  Factory Service Manual A/T CONTROL SYSTEM
AT-21
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
“D”, “4”, “3”, “2” Positions 1st Gear
The forward brake and the forward one-way clutch regulate reve

Page 93 of 3419

INFINITI QX4 2005  Factory Service Manual AT-22
A/T CONTROL SYSTEM
Revision: October 20052005 QX56
“1 ” Position 1st Gear
The front brake fastens the front sun gear.
The forward brake and the forward one-way clutch regulate reverse rota

Page 94 of 3419

INFINITI QX4 2005  Factory Service Manual A/T CONTROL SYSTEM
AT-23
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
“D”, “4”, “3” Positions 2nd Gear
The forward brake and the forward one-way clutch regulate reverse rotat

Page 95 of 3419

INFINITI QX4 2005  Factory Service Manual AT-24
A/T CONTROL SYSTEM
Revision: October 20052005 QX56
“2”, “1” Positions 2nd Gear
The front brake fastens the front sun gear.
The forward brake and the forward one-way clutch regulate rev

Page 96 of 3419

INFINITI QX4 2005  Factory Service Manual A/T CONTROL SYSTEM
AT-25
D
E
F
G
H
I
J
K
L
MA
B
AT
Revision: October 20052005 QX56
“D”, “4”, “3” Positions 3rd Gear
The front brake fastens the front sun gear.
The direct clutch is coupl