2007 INFINITI M35 Factory Service Manual

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Page 105 of 4647

INFINITI M35 2007 Factory Service Manual AT-26
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
“M2” Position
The front brake fastens the front sun gear.
The forward brake and the forward one-way clutch regulate reverse rotation of

Page 106 of 4647

INFINITI M35 2007 Factory Service Manual A/T CONTROL SYSTEM
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“D3 ” and “M3” Positions
The front brake fastens the front sun gear.
The direct clutch is coupled, and the

Page 107 of 4647

INFINITI M35 2007 Factory Service Manual AT-28
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
“D4 ” and “M4” Positions
The direct clutch is coupled, and the rear carrier and rear sun gear are connected.
The high and low revers

Page 108 of 4647

INFINITI M35 2007 Factory Service Manual A/T CONTROL SYSTEM
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“D5 ” and “M5” Positions
The front brake fastens the front sun gear.
The input clutch is coupled, and the

Page 109 of 4647

INFINITI M35 2007 Factory Service Manual AT-30
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
“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 g

Page 110 of 4647

INFINITI M35 2007 Factory Service Manual A/T CONTROL SYSTEM
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TCM FunctionNCS001JP
The function of the TCM is to:
Receive input signals sent from various switches and sensors.

Page 111 of 4647

INFINITI M35 2007 Factory Service Manual AT-32
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
CAN CommunicationNCS001JQ
SYSTEM DESCRIPTION
CAN (Controller Area Network) is a serial communication line for real time application. It is an

AT-32
A/T CONTROL SYSTEM
Revision: 2007 April2007 M35/M45
CAN CommunicationNCS001JQ
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. Refer to LAN-50, "
CAN Sys-
tem Specification Chart" .
Input/Output Signal of TCMNCS001JR
*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 kind of error.
*5: Input by CAN communications.
*6: Output by CAN communications.Control itemLine
pressure
controlVehicle
speed
controlShift
controlLock-up
controlEngine
brake
controlFail-safe
function
(*3)Self-diag-
nostics
function
InputAccelerator 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
sensor inte-
grated unitOperation signal
(*5)XXX
Overdrive cancel
signal
(*5)X
Out-
putDirect clutch solenoid
(ATF pressure switch 5)XX XX
Input clutch solenoid
(ATF pressure switch 3)XX XX
High and low reverse clutch solenoid
(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 solenoidXXXXXXX
TCC solenoid X X X
Self-diagnostics table
(*6)X
Starter relayXX

Page 112 of 4647

INFINITI M35 2007 Factory Service Manual A/T CONTROL SYSTEM
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Revision: 2007 April2007 M35/M45
Line Pressure ControlNCS001JS
When an input torque signal equivalent to the engine drive force is sent from the ECM

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