Nissan Pathfinder (2010 year). Manual - part 611

 

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Nissan Pathfinder (2010 year). Manual - part 611

 

 

TM-16

< FUNCTION DIAGNOSIS >

A/T CONTROL SYSTEM

“D

2

” Position (with Manual Mode) / "D

2

" and “3

2

” Positions (Without Manual Mode)

• The forward brake and the forward one-way clutch regulate reverse rotation of the mid sun gear.

• The 3rd one-way clutch regulates reverse rotation of the front sun gear.

• The direct clutch is coupled and the rear carrier and rear sun gear are connected.

• During deceleration, the mid sun gear turns forward, so the forward one-way clutch idles and engine brake is

not activated.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1513E

2010 Pathfinder

A/T CONTROL SYSTEM

TM-17

< FUNCTION DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

“M

2

” Position (With Manual Mode) / "2

2

" and “1

2

” Positions (Without Manual Mode)

• The front brake fastens the front sun gear.

• The forward brake and the forward one-way clutch regulate reverse rotation of the mid sun gear.

• The direct clutch is coupled, and the rear carrier and rear sun gear are connected.

• The low coast brake fastens the mid sun gear.

• During deceleration, the low coast brake regulates forward rotation of the mid sun gear and the engine brake

functions.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1514E

2010 Pathfinder

TM-18

< FUNCTION DIAGNOSIS >

A/T CONTROL SYSTEM

“D

3

” Position (With Manual Mode) / "D

3

" and “3

3

” Positions (Without Manual Mode)

• The front brake fastens the front sun gear.

• The direct clutch is coupled, and the rear carrier and rear sun gear are connected.

• The high and low reverse clutch is coupled and the mid sun gear and rear sun gear are connected.

1.

Front brake

2.

Input clutch

3.

Direct clutch 

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake 

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1515E

2010 Pathfinder

A/T CONTROL SYSTEM

TM-19

< FUNCTION DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

“D

4

”

 and 

“M

4

”

  

Positions (With Manual Mode) / "D

4

" Position (Without Manual Mode)

• The direct clutch is coupled, and the rear carrier and rear sun gear are connected.

• The high and low reverse clutch is coupled and the mid sun gear and rear sun gear are connected.

• The input clutch is coupled and the front internal gear and mid internal gear are connected.

• The drive power is conveyed to the front internal gear, mid internal gear, and rear carrier and the three plan-

etary gears rotate forward as one unit.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1516E

2010 Pathfinder

TM-20

< FUNCTION DIAGNOSIS >

A/T CONTROL SYSTEM

“D

5

” and "M

5

" Positions (With Manual Mode) / "D

5

" Position (Without Manual Mode)

• The front brake fastens the front sun gear.

• The input clutch is coupled and the front internal gear and mid internal gear are connected.

• The high and low reverse clutch is coupled and the mid sun gear and rear sun gear are connected.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1517E

2010 Pathfinder

A/T CONTROL SYSTEM

TM-21

< FUNCTION DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

“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 are connected.

• The reverse brake fastens the rear carrier.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA4984E

2010 Pathfinder

TM-22

< FUNCTION DIAGNOSIS >

A/T CONTROL SYSTEM

TCM Function

INFOID:0000000005257949

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 (WITHOUT MANUAL MODE)

The A/T senses vehicle operating conditions through various sensors or signals. It always controls the opti-

mum shift position and reduces shifting and lock-up shocks.

1.

Front brake

2.

Input clutch

3.

Direct clutch

4.

High and low reverse clutch

5.

Reverse brake

6.

Forward brake

7.

Low coast brake

8.

1st one-way clutch

9.

Forward one-way clutch

10. 3rd one-way clutch

11. Front sun gear

12. Input shaft

13. Mid internal gear

14. Front internal gear

15. Rear carrier

16. Rear sun gear

17. Mid sun gear

18. Front carrier

19. Mid carrier

20. Rear internal gear

21. Output shaft

22. Parking gear

23. Parking pawl

SCIA1519E

2010 Pathfinder

A/T CONTROL SYSTEM

TM-23

< FUNCTION DIAGNOSIS >

C

E

F

G

H

I

J

K

L

M

A

B

TM

N

O

P

CONTROL SYSTEM DIAGRAM (WITHOUT MANUAL MODE)

CONTROL SYSTEM OUTLINE (WITH MANUAL MODE)

The A/T senses vehicle operating conditions through various sensors or signals. It always controls the opti-

mum shift position and reduces shifting and lock-up shocks.

SENSORS (or SIGNALS)

⇒

TCM

⇒

ACTUATORS

Transmission range switch
Accelerator pedal position sensor
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Output speed sensor
Vehicle speed signal
Stop lamp switch signal
Input speed sensor
1st position switch signal
Overdrive control switch signal
ATF pressure switch signal

Shift control
Line pressure control
Lock-up control
Engine brake control
Timing control
Fail-safe control
Self-diagnosis
CONSULT-III communication 
line
Duet-EA control
CAN system

Input clutch solenoid valve 
Direct clutch solenoid valve 
Front brake solenoid valve
High and low reverse clutch sole-
noid valve
Low coast brake solenoid valve
Torque converter clutch solenoid 
valve
Line pressure solenoid valve
O/D OFF indicator lamp
Starter relay
Back-up lamp relay

JSDIA1430GB

SENSORS (or SIGNALS)

⇒

TCM

⇒

ACTUATORS

Transmission range switch
Accelerator pedal position sensor
Closed throttle position signal
Wide open throttle position signal
Engine speed signal
A/T fluid temperature sensor
Output speed sensor
Vehicle speed signal
Manual mode switch signal
Stop lamp switch signal
Input speed sensor
ATF pressure switch signal

Shift control
Line pressure control
Lock-up control
Engine brake control
Timing control
Fail-safe control
Self-diagnosis
CONSULT-III communication 
line
Duet-EA control
CAN system

Input clutch solenoid valve 
Direct clutch solenoid valve 
Front brake solenoid valve
High and low reverse clutch sole-
noid valve
Low coast brake solenoid valve
Torque converter clutch solenoid 
valve
Line pressure solenoid valve
A/T CHECK indicator lamp
Starter relay
Back-up lamp relay

2010 Pathfinder

 

 

 

 

 

 

 

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