Nissan Juke (2016 year). Service Repair Manual - part 224

 

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Nissan Juke (2016 year). Service Repair Manual - part 224

 

 

COMPONENT PARTS

EC-607

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

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Electric throttle control actuator consists of throttle body, throttle valve, throttle control motor and throttle posi-

tion sensor.

THROTTLE CONTROL MOTOR RELAY

Power supply for the throttle control motor is provided to the ECM via throttle control motor relay. The throttle

control motor relay is ON/OFF controlled by the ECM. When the ignition switch is turned ON, the ECM sends

an ON signal to throttle control motor relay and battery voltage is provided to the ECM. When the ignition

switch is turned OFF, the ECM sends an OFF signal to throttle control motor relay and battery voltage is not

provided to the ECM.

THROTTLE CONTROL MOTOR

The throttle control motor is operated by the ECM and it opens and closes the throttle valve.

The current opening angle of the throttle valve is detected by the throttle position sensor and it provides feed-

back to the ECM to control the throttle control motor to make the throttle valve opening angle properly in

response to driving condition.

THROTTLE POSITION SENSOR

The throttle position sensor responds to the throttle valve movement.

The throttle position sensor has two sensors. These sensors are a

kind of potentiometers which transform the throttle valve position into

output voltage, and emit the voltage signal to the ECM. In addition,

these sensors detect the opening and closing speed of the throttle

valve and feed the voltage signals to the ECM. The ECM judges the

current opening angle of the throttle valve from these signals and the

ECM controls the throttle control motor to make the throttle valve

opening angle properly in response to driving condition.

Ignition Coil With Power Transistor

INFOID:0000000012198152

The ignition signal from the ECM is sent to and amplified by the

power transistor. The power transistor turns ON and OFF the ignition

coil primary circuit. This ON/OFF operation induces the proper high

voltage in the coil secondary circuit.

JSBIA0270GB

PBIB0145E

JPBIA4613ZZ

Revision: November 2015

2016 JUKE

EC-608

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

COMPONENT PARTS

Fuel Injector

INFOID:0000000012198153

For the fuel injector, a high pressure fuel injector is used and this

enables a high-pressure fuel injection at a high voltage within a short

time. The ECM is equipped with an injector driver unit and actuates

the fuel injector at a high voltage (approximately 65 V at the maxi-

mum).

High Pressure Fuel Pump

INFOID:0000000012198154

The high pressure fuel pump is activated by the exhaust camshaft.

ECM controls the high pressure fuel pump control solenoid valve built into the high pressure fuel pump and

adjusts the amount of discharge by changing the suction timing of the low pressure fuel.

Operating Description

Operating Chart

JSBIA1612ZZ

JSBIA0285GB

JSBIA0286GB

Revision: November 2015

2016 JUKE

COMPONENT PARTS

EC-609

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

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Fuel Rail Pressure Sensor

INFOID:0000000012198155

The fuel rail pressure (FRP) sensor is placed to the fuel rail and

measures fuel pressure in the fuel rail. The sensor transmits voltage

signal to the ECM. As the pressure increases, the voltage rises. The

ECM controls the fuel pressure in the fuel rail by operating high pres-

sure fuel pump. The ECM uses the signal from fuel rail pressure sen-

sor as a feedback signal.

Low Pressure Fuel Pump

INFOID:0000000012198156

The low pressure fuel pump is integrated with a fuel pressure regula-

tor and a fuel filter. This pump is build into the fuel tank.

Mass Air Flow Sensor (With Intake Air Temperature Sensor 1)

INFOID:0000000012198157

MASS AIR FLOW SENSOR

The mass air flow sensor (MAF sensor)   is placed in the stream of

intake air. It measures the intake flow rate by measuring a part of the

entire intake flow. The MAF sensor controls the temperature of the

heater in sensing element to a certain amount.

The temperature distribution around the heater changes according

to the increase in intake air volume. The change is detected by a

thermistor and the air volume data is sent to ECM by the MAF sen-

sor.

INTAKE AIR TEMPERATURE SENSOR 1

The intake air temperature sensor 1 (IAT sensor 1) is built-into the mass air flow sensor. The sensor detects

intake air temperature and transmits a signal to the ECM.

The temperature sensing unit uses a thermistor which is sensitive to the change in temperature.

<Reference data>

*: These data are reference values on the diagnosis tool.

Turbocharger

INFOID:0000000012198158

TURBOCHARGER BOOST CONTROL

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Intake air temperature

Voltage

*

25

°

C (77

°

F)

2.0 – 2.2 V

80

°

C (176

°

F)

3.0 – 3.2 V

Revision: November 2015

2016 JUKE

EC-610

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

COMPONENT PARTS

The electric wastegate control actuator operates based on a signal

from ECM and adjusts the turbo charger boost control valve angle

via link rod. The electronic control allows the turbocharger wastegate

control valve to be opened even in non-supercharging regions. This

reduces pumping losses and contributes to the fuel economy. In

charging regions, wastegate valve angles are controlled by the elec-

tronic control with a high degree of accuracy.

TURBOCHARGER BYPASS CONTROL

When an operating signal received from ECM energizes the sole-

noid, the turbocharger bypass control valve opens the valve by suck-

ing in the plunger. The electronically-controlled turbocharger bypass

control valve quickly opens the bypass valve when releasing the

accelerator pedal during driving under supercharge. This reduces

surge sound generated by the back flow of supercharged air to the

compressor fin.

Turbocharger Boost Sensor (With Intake Air Temperature Sensor 2)

INFOID:0000000012198159

TURBOCHARGER BOOST SENSOR

The turbocharger boost sensor detects the pressure of the outlet

side of the intercooler. When increasing the pressure, the output

voltage of the sensor to the ECM increases. 

INTAKE AIR TEMPERATURE SENSOR 2

The intake air temperature sensor 2 is built-into turbocharger boost sensor. The sensor detects intake air tem-

perature and transmits a signal to the ECM.

The temperature sensing unit uses a thermistor which is sensitive to the change in temperature. Electrical

resistance of the thermistor decreases in response to the temperature rise.

JSBIA5475GB

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JMBIA1453GB

Revision: November 2015

2016 JUKE

COMPONENT PARTS

EC-611

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

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<Reference data>

*: These data are reference values and are measured between ECM terminals.

Multi-way Control Valve

INFOID:0000000012198160

The multi-way control valve changes flow paths to Heater & EGR

cooler, Oil cooler, and Radiator, according to coolant temperature

and driving conditions.

Engine Coolant Temperature Sensor 1

INFOID:0000000012198161

The engine coolant temperature sensor is used to detect the engine

coolant temperature. The sensor modifies a voltage signal from the

ECM. The modified signal returns to the ECM as the engine coolant

temperature input. The sensor uses a thermistor which is sensitive to

the change in temperature. The electrical resistance of the ther-

mistor decreases as temperature increases.

<Reference data>

*: These data are reference values and are measured between ECM terminals.

Intake air temperature

[

°

C (

°

F)]

Voltage

*

 (V)

Resistance (k

)

25 (77)

3.27-3.35

1.940 - 2.089

80 (176)

1.19-1.23

0.310 - 0.322

SEF012P

JSBIA5643ZZ

SEF594K

Engine coolant temperature

[

°

C (

°

F)]

Voltage

*

 (V)

Resistance (k

)

–10 (14)

4.29-4.50

7.0 - 11.4

20 (68)

3.48-3.58

2.37 - 2.63

50 (122)

2.03-2.49

0.68 - 1.00

90 (194)

0.97-1.04

0.236 - 0.260

SEF012P

Revision: November 2015

2016 JUKE

EC-612

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

COMPONENT PARTS

Engine Coolant Temperature Sensor 2

INFOID:0000000012198162

The engine coolant temperature sensor is used to detect the radia-

tor-outlet water temperature. The sensor modifies a voltage signal

from the ECM. The modified signal returns to the ECM as the radia-

tor-outlet water temperature input. The sensor uses a thermistor

which is sensitive to the change in temperature. The electrical resis-

tance of the thermistor decreases as temperature increases.

<Reference data>

*: These data are reference values and are measured between ECM terminals.

Crankshaft Position Sensor (POS)

INFOID:0000000012198164

The crankshaft position sensor (POS) is located on the oil pan facing

the gear teeth (cogs) of the signal plate. It detects the fluctuation of

the engine revolution.

The sensor consists of a permanent magnet and Hall IC.

When the engine is running, the high and low parts of the teeth

cause the gap with the sensor to change.

The changing gap causes the magnetic field near the sensor to

change.

Due to the changing magnetic field, the voltage from the sensor

changes.

The ECM receives the voltage signal and detects the fluctuation of

the engine revolution.

Camshaft Position Sensor (PHASE)

INFOID:0000000012198165

The camshaft position sensor (PHASE) senses the retraction of

intake camshaft to identify a particular cylinder. The camshaft posi-

tion sensor (PHASE) senses the piston position.

When the crankshaft position sensor (POS) system becomes inoper-

ative, the camshaft position sensor (PHASE) provides various con-

trols of engine parts instead, utilizing timing of cylinder identification

signals.

The sensor consists of a permanent magnet and Hall IC.

When engine is running, the high and low parts of the teeth cause

the gap with the sensor to change.

The changing gap causes the magnetic field near the sensor to

change.

Due to the changing magnetic field, the voltage from the sensor changes. 

SEF594K

Engine coolant temperature

[

°

C (

°

F)]

Voltage

*

 (V)

Resistance (k

)

–10 (14)

4.29-4.50

7.0 - 11.4

20 (68)

3.48-3.58

2.37 - 2.63

50 (122)

2.03-2.49

0.68 - 1.00

90 (194)

0.97-1.04

0.236 - 0.260

SEF012P

JPBIA4617ZZ

JSBIA5654GB

Revision: November 2015

2016 JUKE

COMPONENT PARTS

EC-613

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

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Intake Valve Timing Control Solenoid Valve

INFOID:0000000012198166

Intake valve timing control solenoid valve is activated by ON/OFF

pulse duty (ratio) signals from the ECM.

The intake valve timing control solenoid valve changes the oil

amount and direction of flow through intake valve timing control unit

or stops oil flow.

The longer pulse width advances valve angle.

The shorter pulse width retards valve angle.

When ON and OFF pulse widths become equal, the solenoid valve

stops oil pressure flow to fix the intake valve angle at the control

position.

Intake Valve Timing Intermediate Lock Control Solenoid Valve

INFOID:0000000012198167

Intake valve timing intermediate lock control solenoid valve is acti-

vated by ON/OFF signals from the ECM.

The intake valve timing intermediate lock control solenoid valve

opens/closes the path of oil pressure acting on the lock key in the

camshaft sprocket (INT).

• When the solenoid valve becomes ON, oil pressure to the lock key

is drained to perform intermediate lock.

• When the solenoid valve becomes OFF, oil pressure is acted on

the lock key to release the intermediate lock.

Exhaust Valve Timing Control Position Sensor

INFOID:0000000012198168

Exhaust valve timing control position sensor detects the protrusion of

the signal plate installed to the exhaust camshaft front end. 

This sensor signal is used for sensing a position of the exhaust cam-

shaft.

The sensor consists of a permanent magnet and Hall IC.

When engine is running, the high and low parts of the teeth cause

the gap with the sensor to change.

The changing gap causes the magnetic field near the sensor to

change.

Due to the changing magnetic field, the voltage from the sensor

changes. 

Exhaust Valve Timing Control Solenoid Valve

INFOID:0000000012198169

Exhaust valve timing control solenoid valve is activated by ON/OFF

pulse duty (ratio) signals from the ECM.

The exhaust valve timing control solenoid valve changes the oil

amount and direction of flow through exhaust valve timing control

unit or stops oil flow.

The longer pulse width retards valve angle.

The shorter pulse width advances valve angle.

When ON and OFF pulse widths become equal, the solenoid valve

stops oil pressure flow to fix the exhaust valve angle at the control

position.

PBIB1842E

PBIB1842E

JSBIA5655GB

PBIB1842E

Revision: November 2015

2016 JUKE

EC-614

< SYSTEM DESCRIPTION >

[MR EXCEPT FOR NISMO RS MODELS]

COMPONENT PARTS

Intake Manifold Runner Control Valve

INFOID:0000000012198170

Intake manifold runner control valve  is integrated to intake mani-

fold.

Intake manifold runner control valve is mounted each port of the

intake manifold and opened/closed by the intake manifold runner

control valve motor.

ECM controls the intake manifold runner control valve motor, accord-

ing to signals of engine speed, water temperature, etc. and stabilizes

combustion by generating a strong tumble flow.

INTAKE MANIFOLD RUNNER CONTROL VALVE MOTOR

Intake manifold runner control valve motor is connected to the rear end of the valve shaft.

The motor opens or closes the valve by the output signal of the ECM.

EGR Volume Control Valve

INFOID:0000000012198171

EGR VOLUME CONTROL VALVE

The EGR volume control valve used a DC motor and controls the flow rate of EGR from downstream of

exhaust manifold catalyst. ECM controls the DC motor to make the valve opening angle in response to driving

conditions.

EGR CONTROL POSITION SENSOR

The EGR control valve control position sensor is built in the EGR control valve and uses a permanent magnet

and a semiconductor device. This sensor measures valve shaft movements and transmits a voltage signal to

ECM. Based on this signal, ECM judges the valve opening angle as of then and controls the motor to achieve

opening angle appropriate to the driving conditions.

EGR Pressure Sensor

INFOID:0000000012198173

The EGR pressure sensor detects the pressure difference between before and behind the EGR volume con-

trol valve. This sensor is not directly used for the engine system control, but used only for self-diagnosis.

G Sensor

INFOID:0000000012198174

The G sensor has a semiconductor acceleration sensor and detects

longitudinal G and tilt angle of the vehicle based on gravitational

acceleration. 

In addition, the G sensor converts a detected tilt angle into an elec-

tric signal and transmits it to ECM.

Air Fuel Ratio (A/F) Sensor 1

INFOID:0000000012198175

DESCRIPTION

JSBIA5629ZZ

JSBIA1430ZZ

Revision: November 2015

2016 JUKE

 

 

 

 

 

 

 

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