Nissan Pathfinder (2005 year). Instruction — part 6
A/T CONTROL SYSTEM
AT-19
D
E
F
G
H
I
J
K
L
M
A
B
AT
2005 Pathfinder
CLUTCH AND BAND CHART
●
—Operates
●
—Operates during “progressive” acceleration.
●
—Operates and effects power transmission while coasting.
●
—Line pressure is applied but does not affect power transmission.
●
—Operates under conditions shown in HLR/C Operating Condition
●
—Operates under conditions shown in LC/B Operating Condition. Delay control is applied during D (4,3,2,1)
Þ
N shift.
●
*1: A/T will not shift to 5th when overdrive control switch is set in “OFF” position.
Shift position
I/C
HLR/C
D/C
R/B
FR/B
LC/B
Fwd/B
1st
OWC
Fwd
OWC
3rd
OWC
Remarks
P
PARK POSITION
R
REVERSE POSI-
TION
N
NEUTRAL POSI-
TION
D*1
1st
Automatic shift
1
⇔
2
⇔
3
⇔
4
⇔
5
2nd
3rd
4th
5th
3
1st
Automatic shift
1
⇔
2
⇔
3
⇐
4
2nd
3rd
4th
2
1st
Automatic shift
1
⇔
2
⇐
3
⇐
4
2nd
3rd
4th
1
1st
Locks (held sta-
tionary in 1st
gear)
1
⇐
2
⇐
3
⇐
4
2nd
3rd
4th
SCIA5642E
AT-20
A/T CONTROL SYSTEM
2005 Pathfinder
POWER TRANSMISSION
“N” Position
Since both the forward brake and the reverse brake are released, torque from the input shaft drive is not trans-
mitted to the output shaft.
“P” Position
●
The same as for the “N” position, both the forward brake and the reverse brake are released, so torque
from the input shaft drive is not transmitted to the output shaft.
●
The parking pawl linked with the select lever meshes with the parking gear and fastens the output shaft
mechanically.
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
PCIA0003J
A/T CONTROL SYSTEM
AT-21
D
E
F
G
H
I
J
K
L
M
A
B
AT
2005 Pathfinder
“D”, “3” and “2” Positions 1st Gear
●
The forward brake and the forward one-way clutch regulate reverse rotation of the mid sun gear.
●
The 1st one-way clutch regulates reverse rotation of the rear sun gear.
●
The 3rd one-way clutch regulates reverse rotation of the front sun gear.
●
During deceleration, the mid sun gear turns forward, so the forward one-way clutch idles and the 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
SCIA1512E
AT-22
A/T CONTROL SYSTEM
2005 Pathfinder
“1 ” Position 1st Gear
●
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.
●
High and low reverse clutch connects the rear sun gear and the mid sun gear.
●
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
SCIA1513E
A/T CONTROL SYSTEM
AT-23
D
E
F
G
H
I
J
K
L
M
A
B
AT
2005 Pathfinder
“D” and “3” Positions 2nd Gear
●
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
SCIA1514E
AT-24
A/T CONTROL SYSTEM
2005 Pathfinder
“2” and “1” Positions 2nd Gear
●
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
SCIA1515E
A/T CONTROL SYSTEM
AT-25
D
E
F
G
H
I
J
K
L
M
A
B
AT
2005 Pathfinder
“D” and “3” Positions 3rd Gear
●
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
SCIA1516E
AT-26
A/T CONTROL SYSTEM
2005 Pathfinder
“D” Positions 4th 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.
●
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
planetary 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
SCIA1517E
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