2007 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2007  Factory Service Manual A/T CONTROL SYSTEM
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P “D”, “4”, “3” Positions 3rd Gear
• The front brake fastens the front sun gear.
• The direct clutch is c

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“D”, “4” Positions 4th Gear
• The direct clutch is coupled, and the rear carrier and rear sun gear are connected.
• The high and low revers

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P “D” Position 5th Gear
• The front brake fastens the front sun gear.
• The input clutch is coupled and the front

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“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 gear

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TCM FunctionINFOID:0000000003532230
The function of the TCM is to:
• Receive input signals sent from various switches

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CONTROL SYSTEM DIAGRAM 
CAN CommunicationINFOID:0000000003532231
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for re

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Input/Output Signal of TCMINFOID:0000000003532232
*1: Spare for vehicle speed sensor·A/T (revolution sensor)
*2: Spare

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• This line pressure solenoid controls the pressure regulator valve as the signal pressure and adjusts the pres-
sure of the operating oil discharged