2004 INFINITI QX56 Factory Service Manual

Page 97 of 3371

INFINITI QX56 2004  Factory Service Manual AT-26
A/T CONTROL SYSTEM
Revision: August 20072004 QX56
“2”, “1” Position 2nd Gear
The front brake fastens the front sun gear.
The forward brake and the forward one-way clutch regulate rever

Page 98 of 3371

INFINITI QX56 2004  Factory Service Manual A/T CONTROL SYSTEM
AT-27
D
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AT
Revision: August 20072004 QX56
“D”, “4”, “3” Positions 3rd Gear
The front brake fastens the front sun gear.
The direct clutch is couple

Page 99 of 3371

INFINITI QX56 2004  Factory Service Manual AT-28
A/T CONTROL SYSTEM
Revision: August 20072004 QX56
“D”, “4” Positions 4th Gear
The direct clutch is coupled, and the rear carrier and rear sun gear are connected.
The high and low rever

Page 100 of 3371

INFINITI QX56 2004  Factory Service Manual A/T CONTROL SYSTEM
AT-29
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Revision: August 20072004 QX56
“D” Position 5th Gear
The front brake fastens the front sun gear.
The input clutch is coupled and the front inte

Page 101 of 3371

INFINITI QX56 2004  Factory Service Manual AT-30
A/T CONTROL SYSTEM
Revision: August 20072004 QX56
“R” Position
The front brake fastens the front sun gear.
The high and low reverse clutch is coupled, and the mid sun gear and rear sun gea

Page 102 of 3371

INFINITI QX56 2004  Factory Service Manual A/T CONTROL SYSTEM
AT-31
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Revision: August 20072004 QX56
TCM FunctionUCS002CE
The function of the TCM is to:
Receive input signals sent from various switches and sensors.
De

Page 103 of 3371

INFINITI QX56 2004  Factory Service Manual AT-32
A/T CONTROL SYSTEM
Revision: August 20072004 QX56
CAN CommunicationUCS002CF
SYSTEM DESCRIPTION
Refer to LAN-5, "CAN Communication Unit"  .
Input/Output Signal of TCMUCS002CG
*1: Spare for vehicl

Page 104 of 3371

INFINITI QX56 2004  Factory Service Manual A/T CONTROL SYSTEM
AT-33
D
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Revision: August 20072004 QX56
Line Pressure ControlUCS002C H
When an input torque signal equivalent to the engine drive force is sent from the ECM