2006 INFINITI FX35 Service Manual

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Page 113 of 4462

INFINITI FX35 2006 Service Manual A/T CONTROL SYSTEM AT-29
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Revision: 2006 December 2006 FX35/FX45
“D4 ” and “M4” Positions
The direct clutch is coupled, and the rear carrier and rear sun

Page 114 of 4462

INFINITI FX35 2006 Service Manual AT-30
A/T CONTROL SYSTEM
Revision: 2006 December 2006 FX35/FX45
“D5 ” and “M5” Positions
The front brake fastens the front sun gear.
The input clutch is coupled, and the front internal gear

Page 115 of 4462

INFINITI FX35 2006 Service Manual A/T CONTROL SYSTEM AT-31
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“R” Position
The front brake fastens the front sun gear.
The high and low reverse clutch is

Page 116 of 4462

INFINITI FX35 2006 Service Manual AT-32
A/T CONTROL SYSTEM
Revision: 2006 December 2006 FX35/FX45
TCM FunctionNCS001AZ
The function of the TCM is to:
Receive input signals sent from various switches and sensors.
Determine required l

Page 117 of 4462

INFINITI FX35 2006 Service Manual A/T CONTROL SYSTEM AT-33
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Revision: 2006 December 2006 FX35/FX45
CAN CommunicationNCS001B0
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communicat

A/T CONTROL SYSTEM AT-33
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Revision: 2006 December 2006 FX35/FX45
CAN CommunicationNCS001B0
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an on-vehicle mul-
tiplex communication line with high data communication speed and excellent error detection ability. Many elec-
tronic control units are equipped onto a vehicle, and each control unit shares information and links with other
control units during operation (not independent). In CAN communication, control units are connected with 2
communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring.
Each control unit transmits/receives data but selectively reads required data only. For details, refer to LAN-32,
"CAN Communication Unit" .
Input/Output Signal of TCMNCS001B1
*1: Spare for vehicle speed sensor·A/T (revolution sensor)
*2: Spare for accelerator pedal position signal
*3: If these input and output signals are different, the TCM triggers the fail-safe function.
*4: Used as a condition for starting self-diagnostics; if self-diagnostics are not started, it is judged that there is some kin d of error.
*5: Input by CAN communications
*6: Output by CAN communications Control item
Line
pressure control Vehicle
speed
control Shift
control Lock-up
control Engine
brake
control Fail-safe
function (*3) Self-diag-
nostics
function
Input Accelerator pedal position signal
(*5)XXXXXXX
Vehicle speed sensor A/T
(revolution sensor) XXXXXXX
Vehicle speed sensor MTR
(*1) (*5)X
Closed throttle position signal
(*5)X (*2) X X X X (*4)
Wide open throttle position signal
(*5)XX (*4)
Turbine revolution sensor 1 X X X X X
Turbine revolution sensor 2
(for 4th speed only) X XXXX
Engine speed signals
(*5)XXXXXXX
Stop lamp switch signal
(*5)XXX X (*4)
A/T fluid temperature sensors 1, 2XXXX XX
ASCD or
ICC Operation signal
(*5)XXX
Overdrive cancel
signal
(*5)X
Out-
put Direct clutch solenoid (ATF pres-
sure switch 5) XX XX
Input clutch solenoid (ATF pressure
switch 3) XX XX
High and low reverse clutch sole-
noid (ATF pressure switch 6) XX XX
Front brake solenoid (ATF pressure
switch 1) XX XX
Low coast brake solenoid (ATF
pressure switch 2) XX XXX
Line pressure solenoid XXXXXXX
TCC solenoid X X X
Self-diagnostics table
(*6)X
Sta rter rela y XX

Page 118 of 4462

INFINITI FX35 2006 Service Manual AT-34
A/T CONTROL SYSTEM
Revision: 2006 December 2006 FX35/FX45
Line Pressure ControlNCS001B2
When an input torque signal equivalent to the engine drive force is sent from the ECM to the TCM, the
TC

Page 119 of 4462

INFINITI FX35 2006 Service Manual A/T CONTROL SYSTEM AT-35
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Revision: 2006 December 2006 FX35/FX45
During Shift Change
The necessary and adequate line pressure for shift change is set.
For this re

Page 120 of 4462

INFINITI FX35 2006 Service Manual AT-36
A/T CONTROL SYSTEM
Revision: 2006 December 2006 FX35/FX45
Shift Change System Diagram
*1: Full phase real-time feedback control monitors movement of gear ratio at gear change, and controls oil

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