Nissan Juke F15. Manual — part 1295
TM-370
< SYSTEM DESCRIPTION >
[CVT: RE0F10D]
COMPONENT PARTS
SHIFT LOCK SYSTEM : Component Parts Location
INFOID:0000000012201089
SHIFT LOCK SYSTEM : Component Description
INFOID:0000000012201090
1.
Shift lock release button cover*
2.
Shift lock solenoid
3.
Park position switch
4.
Stop lamp switch
A:
CVT shift selector assembly
B:
Brake pedal, upper
*: Shift lock release button becomes operative by removing shift lock cover.
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Component
Function
Shift lock solenoid
It operates according to the signal from the stop lamp switch and moves the lock lever.
Lock lever
• Rotates according to shift lock solenoid activation and releases the shift lock.
• If shift lock solenoid does not activate, lock lever can be rotated when shift lock release but-
ton is pressed and shift lock is released.
Detent rod
It links with the selector button and restricts the selector lever movement.
Park position switch
It detects that the selector lever is in “P” position.
Shift lock release button
Forcibly releases the shift lock when pressed.
Stop lamp switch
• The stop lamp switch turns ON when the brake pedal is depressed.
• When the stop lamp switch turns ON, the shift lock solenoid is energized.
STRUCTURE AND OPERATION
TM-371
< SYSTEM DESCRIPTION >
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STRUCTURE AND OPERATION
TRANSAXLE
TRANSAXLE : Cross-Sectional View
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1.
Converter housing
2.
Oil pump
3.
Planetary gear
4.
Control valve
5.
Oil pan
6.
Steel belt
7.
Primary pulley
8.
Secondary pulley
9.
Side cover
10. Transaxle case
11. Differential case
12. Final gear
13. Reduction gear
14. Idler gear
15. Output gear
16. Drive sprocket
17. Torque converter
18. Driven sprocket
19. Oil pump chain
A.
2WD models
B.
4WD models
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TM-372
< SYSTEM DESCRIPTION >
[CVT: RE0F10D]
STRUCTURE AND OPERATION
TRANSAXLE : Operation Status
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×: Engaged or applied.
TRANSAXLE : Transaxle Mechanism
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TORQUE CONVERTER (WITH LOCK-UP FUNCTION)
In the same way as a conventional A/T, the torque converter is a system that increases the engine torque and
transmits the torque to the transaxle. A symmetrical 3-element, 1-stage, 2-phase type is used here.
OIL PUMP
Utilizes a vane-type oil pump that is driven by the engine through the oil pump drive chain in order to increase
efficiency of pump discharge volume in low-speed zone and optimize pump discharge volume in high-speed
zone. Discharged oil from oil pump is transmitted to control valve. It is used as the oil of primary and second-
ary pulley operation, the oil of clutch operation, and the lubricant for each part.
PLANETARY GEAR
• A planetary gear type of forward/reverse selector mechanism is installed between the torque converter and
primary pulley.
• The power from the torque converter is input via the input shaft, operating a wet multi-plate clutch by means
of hydraulic pressure to switch between forward and reverse driving.
Operation of Planetary gear
BELT & PULLEY
It is composed of a pair of pulleys (the groove width is changed freely in the axial direction) and the steel belt
(the steel plates are placed continuously and the belt is guided with the multilayer steel rings on both sides).
Selector lever
position
Parking mech-
anism
Forward
clutch
Reverse brake Primary pulley
Secondary
pulley
Steel belt
Final drive
P
×
R
×
×
×
×
×
N
D
×
×
×
×
×
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STRUCTURE AND OPERATION
TM-373
< SYSTEM DESCRIPTION >
[CVT: RE0F10D]
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The groove width changes according to wrapping radius of steel belt and pulley from low status to overdrive
status continuously with non-step. It is controlled with the oil pressures of primary pulley and secondary pulley.
Steel Belt
It is composed of multiple steel plates (A) and two steel rings (B)
stacked to a several number. The feature of this steel belt transmits
power with compression of the steel plate in contrast with transmis-
sion of power in pulling with a rubber belt. Friction force is required
with the pulley slope to transmit power from the steel plate. The force
is generated with the following mechanism:
Oil pressure applies to the secondary pulley to nip the plate.
⇒The
plate is pushed and extended outward.
⇒The steel ring shows with-
stands.
⇒Pulling force is generated on the steel ring. ⇒The plate of
the primary pulley is nipped between the pulley.
⇒Friction force is
generated between the steel belt and the pulley.
Therefore, responsibilities are divided by the steel plate that trans-
mits the power with compression and the steel ring that maintains necessary friction force. In this way, the
tension of the steel ring is distributed on the entire surface and stress variation is limited, resulting in good
durability.
Pulley
The primary pulley (input shaft side) and the secondary pulley (output shaft side) have the shaft with slope
(fixed cone surface), movable sheave (movable cone surface that can move in the axial direction) and oil pres-
sure chamber at the back of the movable sheave.
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