Nissan Tiida C11. Manual - part 1242

 

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Nissan Tiida C11. Manual - part 1242

 

 

A/T CONTROL SYSTEM

TM-19

< FUNCTION DIAGNOSIS >

[TYPE 1 (4AT: RE4F03B)]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

“D

4

” (OD) Position

SAT379J

• High clutch
• Brake band
• Forward clutch (Does not affect power 

transmission)

Input power is transmitted to front carrier through high clutch.
This front carrier turns around the sun gear which is fixed by brake band and makes 
front internal gear (output) turn faster.

Engine brake

At D

4

 position, there is no one-way clutch in the power transaxle line and engine brake 

can be obtained when decelerating.

TM-20

< FUNCTION DIAGNOSIS >

[TYPE 1 (4AT: RE4F03B)]

A/T CONTROL SYSTEM

“R” Position

SAT380J

• Reverse clutch
• Low & reverse brake

Front planetary carrier is stationary because of the operation of low and reverse brake.
Input power is transmitted to front sun gear through reverse clutch, which drives front 
internal gear in the opposite direction.

Engine brake

As there is no one-way clutch in the power transaxle line, engine brake can be obtained 
when decelerating.

A/T CONTROL SYSTEM

TM-21

< FUNCTION DIAGNOSIS >

[TYPE 1 (4AT: RE4F03B)]

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

TCM Function

INFOID:0000000001694422

The function of the TCM is to:
• Receive input signals sent from various switches and sensors.
• Determine required line pressure, shifting point, lock-up operation, and engine brake operation.
• Send required output signals to the respective solenoids.

CONTROL SYSTEM OUTLINE 

The automatic transaxle senses vehicle operating conditions through various sensors or signals. It always
controls the optimum shift position and reduces shifting and lock-up shocks.

SAT381J

SWITCHES & SENSORS

TCM

ACTUATORS

PNP switch
Accelerator pedal position signal
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Revolution sensor
Turbine revolution sensor (Power 
train revolution sensor)
Vehicle speed sensor
Overdrive control switch signal
Stop lamp switch signal

Shift control
Line pressure control
Lock-up control
Overrun clutch control
Fail-safe control
Self-diagnosis
CONSULT-III communication 
line control

Shift solenoid valve A
Shift solenoid valve B
Overrun clutch solenoid valve
Torque converter clutch solenoid 
valve
Line pressure solenoid valve
OD OFF indicator lamp

TM-22

< FUNCTION DIAGNOSIS >

[TYPE 1 (4AT: RE4F03B)]

A/T CONTROL SYSTEM

CONTROL SYSTEM DIAGRAM

CAN Communication

INFOID:0000000001694423

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-13,

"System Description"

.

Input/Output Signal of TCM

INFOID:0000000001694424

SCIA7112E

Control item

Line

pressure

control

Vehicle 

speed 

control

Shift     

control

Lock-up 

control

Engine 

brake 

control

Fail-safe 

function

Self-diag-

nostics 

function

Input

Accelerator pedal position signal

(*5)

X

X

X

X

X

(*3)  X

X

Vehicle speed sensor·A/T
(Revolution sensor)

X

X

X

X

(*3)  X

X

Vehicle speed sensor·MTR

(*1) X

(*1) X

(*1) X

(*1) X

X

Closed throttle position signal

(*5)

(*2) X

(*2) X

X

(*4) X

Wide open throttle position signal

(*5)

(*2) X

(*2) X

(*4) X

Turbine revolution sensor (Power 
train revolution sensor)

X

X

X

X

X

Engine speed signal

X

X

PNP  switch

X

X

X

X

X

(*3)  X

(*4)  X

Stop lamp switch signal

(*5)

X

X

X

(*4)  X

A/T fluid temperature sensors

X

X

X

X

Overdrive control switch signal

(*5)

X

X

X

(*4)  X

TCM power supply voltage signal

X

X

 

 

 

 

 

 

 

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