Juke F15 (2012 year). Service Repair Manual

TM-128

< PRECAUTION >

[CVT: RE0F10B]

PRECAUTIONS

• Certain systems and components, especially those related to OBD, may use the new style slide-lock-

ing type harness connector. For description and how to disconnect, refer to

PG-4

ATFTEMP COUNT Conversion Table

INFOID:0000000006601692

ATFTEMP COUNT

Temperature

C (

ATFTEMP COUNT

Temperature

C (

–30 (–22)

177

90 (194)

–20 (–4)

183

95 (203)

–10 (14)

190

100 (212)

–5 (23)

196

105 (221)

0 (32)

201

110 (230)

5 (41)

206

115 (239)

10 (50)

210

120 (248)

15 (59)

214

125 (257)

20 (68)

218

130 (266)

25 (77)

221

135 (275)

30 (86)

224

140 (284)

35 (95)

227

145 (293)

40 (104)

229

150 (302)

45 (113)

231

155 (311)

104

50 (122)

233

160 (320)

114

55 (131)

235

165 (329)

124

60 (140)

236

170 (338)

134

65 (149)

238

175 (347)

143

70 (158)

239

180 (356)

152

75 (167)

241

190 (374)

161

80 (176)

243

200 (392)

169

85 (185)

—

PREPARATION

TM-129

< PREPARATION >

[CVT: RE0F10B]

PREPARATION

Special Service Tool

INFOID:0000000006601693

Commercial Service Tool

INFOID:0000000006601694

Tool number
Tool name

Description

1. ST25054000
Adapter
2. ST25055000
Adapter

Measuring line pressure

KV31103600
Joint pipe adapter
(With ST25054000)

Measuring line pressure

SCIA8372J

ZZA1227D

Tool number
Tool name

Description

Power tool

Loosening nuts and bolts

Oil pressure gauge set
1. Oil pressure gauge
2. Hose
3. Joint pipe

Measuring line pressure

31197CA000
Drive plate location guide
a: Ø 14 mm (0.55 in)

Installing transaxle assembly

PBIC0190E

SCIA8373J

SCIA2013E

COMPONENT PARTS

TM-131

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

SYSTEM DESCRIPTION

COMPONENT PARTS

CVT CONTROL SYSTEM

CVT CONTROL SYSTEM : Component Parts Location

INFOID:0000000006601797

JSDIA2100GB

Multi display unit (MDU)*
Refer to

DMS-3, "Component Parts

Location"

Combination meter

Manual mode indicator
(On the combination meter)

Shift position indicator
(On the combination meter)

Malfunction indicator lamp (MIL)
(On the combination meter)

ABS actuator and electric unit (control
unit)
Refer to

BRC-97, "Component Parts

Location"

ECM
Refer to

EC-25, "ENGINE CONTROL

SYSTEM :
Component Parts Location"

IPDM E/R
Refer to

PCS-5, "Component Parts Lo-

cation"

(With Intelligent Key system),

PCS-37, "Component Parts Location"

(Without Intelligent Key system).

BCM
Refer to

BCS-6, "BODY CONTROL

SYSTEM : Component Parts Location"

(With Intelligent Key system),

BCS-96,

"BODY CONTROL SYSTEM : Compo-
nent Parts Location"

(Without Intelli-

gent Key system)

10.

Stop lamp switch

11.

Transmission range switch

12.

Primary speed sensor

13.

CVT unit connector

14.

Control valve assembly

15.

Output speed sensor

TM-132

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

COMPONENT PARTS

NOTE:

The following components are included in control valve assembly (13).

• CVT fluid temperature sensor

• Secondary pressure sensor

• ROM assembly

• Line pressure solenoid valve

• Low brake solenoid valve

• High clutch & reverse brake solenoid valve

• Torque converter clutch solenoid valve

CVT CONTROL SYSTEM : Component Description

INFOID:0000000006601798

16.

Secondary speed sensor

17.

TCM

18.

S mode switch

19.

G sensor

Brake pedal, upper

Transaxle assembly

Engine room

CVT shift selector assembly

Driver seat (LHD) or passenger seat
(RHD), under

Transaxle assembly

*: With Nissan Dynamic Control System

Name

Function

TCM

TM-133, "CVT CONTROL SYSTEM : TCM"

Transmission range switch

TM-133, "CVT CONTROL SYSTEM : Transmission Range Switch"

Input speed sensor

TM-133, "CVT CONTROL SYSTEM : Input Speed Sensor"

Primary speed sensor

TM-133, "CVT CONTROL SYSTEM : Primary Speed Sensor"

Secondary speed sensor

TM-134, "CVT CONTROL SYSTEM : Secondary Speed Sensor"

CVT fluid temperature sensor

TM-134, "CVT CONTROL SYSTEM : CVT Fluid Temperature Sensor"

Secondary pressure sensor

TM-135, "CVT CONTROL SYSTEM : Secondary Pressure Sensor"

Line pressure solenoid valve

TM-135, "CVT CONTROL SYSTEM : Line Pressure Solenoid Valve"

Lock-up select solenoid valve

TM-135, "CVT CONTROL SYSTEM : Lock-up Select Solenoid Valve"

Step motor

TM-136, "CVT CONTROL SYSTEM : Step Motor"

G sensor

TM-136, "CVT CONTROL SYSTEM : G Sensor"

Manual mode switch

TM-136, "CVT CONTROL SYSTEM : Manual Mode Switch"

Shift position indicator

TM-136, "CVT CONTROL SYSTEM : Shift Position Indicator"

Accelerator pedal position sensor

EC-32, "Accelerator Pedal Position Sensor"

Stop lamp switch

BRC-104, "Stop Lamp Switch"

ECM

• For purposes including improving the feeling when shifting speeds and preventing

drops in engine speed, control signals are exchanged between the ECM and TCM,
and real-time cooperative control is performed according to the vehicle driving condi-
tions. (Engine and CVT integrated control)

- Engine and CVT integrated control signal

NOTE:
General term for the communication (torque-down permission, torque-down request,
etc.) exchanged between the ECM and TCM.

• The TCM receives the following signal via CAN communications from the ECM for

judging the vehicle driving conditions.

- Engine speed signal
- Accelerator pedal position signal
- Closed throttle position signal
• TCM sends and receives the following signals with ECM through CAN communica-

tion to perform D position N idle control.

- N idle instruction signal

BCM

The TCM receives the following signal via CAN communications from the BCM for judg-
ing the vehicle driving conditions.
• Stop lamp switch signal
• Turn indicator signal

COMPONENT PARTS

TM-133

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

*: With Nissan Dynamic Control System

CVT CONTROL SYSTEM : TCM

INFOID:0000000006601799

• The vehicle driving status is judged based on the signals from the sensors, switches, and other control units,

and the optimal transaxle control is performed.

• For TCM control items, refer to

TM-144, "CVT CONTROL SYSTEM : System Description"

CVT CONTROL SYSTEM : Transmission Range Switch

INFOID:0000000006601800

• The transmission range switch is installed to upper part of transaxle case.
• The transmission range switch detects the selector lever position.

CVT CONTROL SYSTEM : Input Speed Sensor

INFOID:0000000006601803

• The input speed sensor is installed to transaxle assembly.
• The input speed sensor detects input shaft speed. TCM evaluates input speed the from the input shaft rev-

olution.

• The input speed sensor generates the ON-OFF pulse (short waveform) in proportion to the rotating body

speed which is “The higher the rotating body speed is, the faster the change cycle is”. The TCM judges the
rotating speed from the changing cycle of this pulse signal.

CVT CONTROL SYSTEM : Primary Speed Sensor

INFOID:0000000006601801

• The primary speed sensor is installed to side cover of transaxle.
• The primary speed sensor detects primary pulley speed.

ABS actuator and electric unit (control unit)

The TCM receives the following signal via CAN communications from the ABS actuator
and electric unit (control unit) for judging the vehicle driving conditions.
• Vehicle speed signal (ABS)
• ABS operation signal
• EPS operation signal

Combination meter

The TCM receives the following signal via CAN communications from the combination
meter for judging the driving request from the driver.
• Manual mode signal
• Non-manual mode signal
• Manual mode shift up signal
• Manual mode shift down signal

MDU*

The TCM receives the following signals from MDU via CAN communication to switch
driving mode of the Nissan Dynamic Control System.
• NORMAL mode signal
• ECO mode signal
• SPORT mode signal

Name

Function

JSDIA1824GB

TM-134

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

COMPONENT PARTS

• The primary speed sensor generates the ON-OFF pulse (short waveform) in proportion to the rotating body

speed which is “The higher the rotating body speed is, the faster the change cycle is”. The TCM judges the
rotating speed from the changing cycle of this pulse signal.

CVT CONTROL SYSTEM : Secondary Speed Sensor

INFOID:0000000006601802

• The secondary speed sensor is installed to side cover of transaxle.
• The secondary speed sensor detects secondary pulley speed.
• The secondary speed sensor generates the ON-OFF pulse (short waveform) in proportion to the rotating

body speed which is “The higher the rotating body speed is, the faster the change cycle is”. The TCM judges
the rotating speed from the changing cycle of this pulse signal.

CVT CONTROL SYSTEM : CVT Fluid Temperature Sensor

INFOID:0000000006601804

• The CVT fluid temperature sensor is installed to control valve.
• The CVT fluid temperature sensor detects CVT fluid temperature in oil pan.

JSDIA1824GB

COMPONENT PARTS

TM-135

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

• The fluid temperature sensor uses a thermistor, and changes the signal voltage by converting changes in the

CVT fluid temperature to a resistance value. TCM evaluates the CVT fluid temperature from the signal volt-
age value.

CVT CONTROL SYSTEM : Secondary Pressure Sensor

INFOID:0000000006601805

• The secondary pressure sensor is installed to control valve.
• The secondary pressure sensor detects the pressure applied to the secondary pulley.
• When pressure is applied to the ceramic device in the secondary pressure sensor, the ceramic device is

deformed, resulting in voltage change. TCM evaluates the secondary pressure from its voltage change. Volt-
age is increased along with pressure increase.

CVT CONTROL SYSTEM : Line Pressure Solenoid Valve

INFOID:0000000006601810

• The line pressure solenoid valve is installed to control valve.
• The line pressure solenoid valve controls the pressure regulator valve. For information about the pressure

regulator valve, refer to

TM-141, "TRANSAXLE : Component Description"

• The line pressure solenoid valve uses the linear solenoid valve [N/H (normal high) type].

NOTE:
• The principle of the linear solenoid valve utilizes the fact that the force pressing on the valve spool installed

inside the coil increases nearly in proportion to the current. This allows it to produce a fluid pressure that is
proportional to this pressing force.

• The N/H (normal high) produces hydraulic control when the coil is not energized.

CVT CONTROL SYSTEM : Lock-up Select Solenoid Valve

INFOID:0000000006601809

• The lock-up select solenoid valve is installed to control valve.

JSDIA1825GB

JSDIA1831GB

TM-136

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

COMPONENT PARTS

• The lock-up select solenoid valve controls the select switch valve that switches the oil pressure applied to

the lock-up clutch, forward clutch or reverse clutch.

• The lock-up select solenoid valve utilizes an ON-OFF solenoid valve.

NOTE:
• The only operations of the valve spool installed inside the coil are pressing or not pressing the ball which

seals the hydraulic supply section into the seat. This A/T uses N/L (normal low) type.

• When voltage is not applied to the coil, the force of the pilot pressure presses the ball against the seat,

stopping the pilot pressure at that point.

• When voltage is applied to the coil, the valve is pulled in the direction of the coil, disengaging the hydraulic

seal which the ball creates. This supplies pilot pressure to the operating locations.

CVT CONTROL SYSTEM : Step Motor

INFOID:0000000006601807

The step motor changes the step with turning 4 coils ON/OFF according to the signal from TCM. As a result,
the flow of line pressure to primary pulley is changed and pulley ratio is controlled.

CVT CONTROL SYSTEM : G Sensor

INFOID:0000000006601811

• G sensor is installed to floor under instrument lower cover.
• G sensor detects front/rear G and inclination applied to the vehicle.
• G sensor converts front/rear G and inclination applied to the vehicle to voltage signal. TCM evaluates front/

rear G and inclination angle of the vehicle from the voltage signal.

CVT CONTROL SYSTEM : Manual Mode Switch

INFOID:0000000006601812

Manual mode switch is installed in shift CVT shift selector. The manual mode switch sends shift up and shift
down switch signals to TCM.
TCM sends the switch signals to combination meter via CAN communication line. Then manual mode switch
position is indicated on the shift position indicator.

CVT CONTROL SYSTEM : Shift Position Indicator

INFOID:0000000006601814

TCM transmits shift position signal to combination meter via CAN communication. The actual shift position is
displayed on combination meter according to the signal.

SHIFT LOCK SYSTEM

COMPONENT PARTS

TM-137

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

SHIFT LOCK SYSTEM : Component Parts Location

INFOID:0000000006601815

SHIFT LOCK SYSTEM : Component Description

INFOID:0000000006601816

Shift lock release button

Park position switch

Shift lock solenoid

Stop lamp switch

CVT shift selector assembly

Brake pedal, upper

JSDIA1886ZZ

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.

TM-138

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

STRUCTURE AND OPERATION

STRUCTURE AND OPERATION

TRANSAXLE

TRANSAXLE : Cross-Sectional View

INFOID:0000000006601549

Converter housing

Driven sprocket

Chain

Reverse brake

Oil pump

Forward clutch

Planetary carrier

Primary pulley

Sun gear

10. Steel belt

11.

Side cover

12. Internal gear

13. Parking gear

14. Secondary pulley

15. Final gear

16. Differential case

17. Idler gear

18. Reduction gear

19. Taper roller bearing

20. Output gear

21. Drive sprocket

22. Input shaft

23. Torque converter

JSDIA2131ZZ

STRUCTURE AND OPERATION

TM-139

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

TRANSAXLE : Operation Status

INFOID:0000000006601818

: Engaged or applied.

TRANSAXLE : Transaxle Mechanism

INFOID:0000000006601819

BELT & PULLEY

Mechanism

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).
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

Slector le-

ver posi-

tion

Parking
mecha-

nism

Counter
gear set

Low brake

High clutch

Reverse

brake

Primary

pulley

Secondary

pulley

Steel belt

Reduction

gear set

(1GR)

(2GR)

(1GR)

(2GR)

JSDIA1966ZZ

TM-140

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

STRUCTURE AND OPERATION

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.

Pulley gear shifting operation

• Pulley gear shifting operation

The movable sheave slides on the shaft to change the groove width of the pulley. Input signals of engine
load (accelerator pedal opening), engine revolution and gear ratio (vehicle speed) change the operation
pressures of the primary pulley and the secondary pulley, and controls the pulley groove width. Along with
change of the pulley groove width, the belt contact radius is changed. This allows continuous and stepless
gear shifting from low to overdrive. “The contact radius ratio of each pulley in contact with the belt x auxiliary
gearbox gear ratio” is the gear ratio.

AUXILIARY GEARBOX MECHANISM

1st, 2nd and reverse gears are changed with the planetary gear mechanism.

JSDIA1779GB

JSDIA1967GB

STRUCTURE AND OPERATION

TM-141

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

TRANSAXLE : Oil Pressure System

INFOID:0000000006601820

Oil pressure required for operation of the transaxle transmission mechanism is generated by oil pump, oil
pressure control valve, solenoid valve, etc.

TRANSAXLE : Component Description

INFOID:0000000006601821

JSDIA1826GB

Part name

Function

Torque converter

It is composed of the cover converter, turbine assembly, stator, pump impeller assem-
bly, etc. It increases the engine torque and transmits the power to the transaxle.

Oil pump

Through the oil pump drive chain, it uses the vane oil pump driven by the engine. It gen-
erates necessary oil pressure to circulate fluid and to operate the clutch and brake.

Counter gear set

The power from the torque converter is transmitted to the primary pulley through the
counter drive gear and the counter driven gear.

Belt & pulley (Continuously variable transmis-
sion)

It is composed of the primary pulley, secondary pulley, steel belt, etc. and the mecha-
nism performs shifting, changes the gear ratio and transmits the power with oil pressure
from the control valve.

Auxiliary gearbox (stepped transmission)

It is composed of the planetary gear, multi-disc clutch, multi-disc brake, etc. and the
mechanism performs shifting (1-2 gear shifting and reverse) with oil pressure from the
control valve.

Reduction gear set

Conveys power from the transmission mechanism to the reduction gear and the final
gear.

Parking mechanism

When the shift lever is changed to P position, the mechanism fixes the parking gear (in-
tegrated with the reduction gear) and the fixes the output shaft.

Control valve

Controls oil pressure from the oil pump to the pressure suitable for the line pressure
control system, shift change control system, lock-up control system and lubrication sys-
tem.

Pressure regulator valve

Adjusts the discharge pressure from the oil pump to the optimum pressure (line pres-
sure) corresponding to the driving condition.

Torque converter regulator valve

Adjusts the feed pressure to the torque converter to the optimum pressure correspond-
ing to the driving condition.

TM-142

< SYSTEM DESCRIPTION >

[CVT: RE0F10B]

STRUCTURE AND OPERATION

Pilot valve

Adjusts line pressure and produces a constant pressure (pilot pressure) necessary for
activating each solenoid valve.

Manual valve

Distributes the clutch and brake operation pressures (pilot pressure) corresponding to
each shift position.

Torque converter clutch control valve

It is operated with the torque converter clutch solenoid valve and it adjusts the tighten-
ing pressure and non-tightening pressure of the torque converter clutch piston of the
torque converter.

Primary pressure control valve

It is operated with the primary pressure solenoid valve and adjusts the feed pressure to
the primary pulley.

Primary pressure solenoid valve

TM-319, "CVT CONTROL SYSTEM : Primary Pressure Solenoid Valve"

Step ,ptor

TM-136, "CVT CONTROL SYSTEM : Step Motor"

Torque converter clutch solenoid valve

TM-135, "CVT CONTROL SYSTEM : Lock-up Select Solenoid Valve"

Line pressure solenoid valve

TM-135, "CVT CONTROL SYSTEM : Line Pressure Solenoid Valve"

Part name

Function