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Nissan Juke (2016 year). Service Repair Manual - part 52

COMPONENT PARTS

BRC-9

< SYSTEM DESCRIPTION >

[WITH VDC]

BRC

SYSTEM DESCRIPTION

COMPONENT PARTS

Component Parts Location

INFOID:0000000012199651

2WD

ECM
Refer to

EC-27, "ENGINE CON-

TROL SYSTEM :
Component Parts Location"

TCM

Refer to

TM-156, "CVT CONTROL

SYSTEM : Component Parts Loca-
tion"

Yaw rate/side/decel G sensor

ABS actuator and electric unit (con-
trol unit)

Front wheel sensor

Stop lamp switch

Brake pedal position switch

Steering angle sensor

Rear wheel sensor

Under floor carpet (front seat right
side)

Inside engine room

Steering knuckle

JSFIA0643ZZ

Revision: November 2015

2016 JUKE

BRC-10

< SYSTEM DESCRIPTION >

[WITH VDC]

COMPONENT PARTS

*: Models with CVT

AWD

Brake pedal

ABS warning lamp, brake warning
lamp, VDC warning lamp, VDC OFF
indicator lamp (in combination
meter)

Back of spiral cable assembly

Rear wheel hub and bearing assem-
bly

ECM
Refer to

EC-27, "ENGINE CON-

TROL SYSTEM :
Component Parts Location"

TCM
Refer to

TM-156, "CVT CONTROL

SYSTEM : Component Parts Loca-
tion"

AWD control module
Refer to

DLN-10, "Component Parts

Location"

Yaw rate/side/decel G sensor

ABS actuator and electric unit (con-
trol unit)

Front wheel sensor

Stop lamp switch

Brake pedal position switch

Steering angle sensor

10. Rear wheel sensor

JSFIA0644ZZ

Revision: November 2015

2016 JUKE

COMPONENT PARTS

BRC-11

< SYSTEM DESCRIPTION >

[WITH VDC]

BRC

Component Description

INFOID:0000000012199652

*1: Models with CVT

*2: AWD models

Wheel Sensor and Sensor Rotor

INFOID:0000000012199653

NOTE:

• Wheel sensor of front wheel is installed on steering knuckle.

• Sensor rotor of front wheel is integrated in wheel hub and bearing assembly.

• Wheel sensor of rear wheel is installed on wheel hub and bearing assembly. (2WD)

• Wheel sensor of rear wheel is installed on axle housing. (AWD)

• Sensor rotor of rear wheel is integrated in wheel hub and bearing assembly. (2WD)

• Sensor rotor of rear wheel is integrated on drive shaft. (AWD)

• Never measure resistance and voltage value using a tester because sensor is active sensor.

Under floor carpet (front seat right
side)

Inside engine room

Steering knuckle

Brake pedal

ABS warning lamp, brake warning
lamp, VDC warning lamp, VDC OFF
indicator lamp (in combination
meter)

Back of spiral cable assembly

Rear axle housing

Component

Reference/Function

ABS actuator and electric unit (control unit)

BRC-12, "ABS Actuator and Electric Unit (Control Unit)"

Wheel sensor

BRC-11, "Wheel Sensor and Sensor Rotor"

Stop lamp switch

BRC-13, "Stop Lamp Switch"

Brake pedal position switch

BRC-13, "Brake Pedal Position Switch"

Steering angle sensor

BRC-13, "Steering Angle Sensor"

Yaw rate/side/decel G sensor

BRC-13, "Yaw Rate/Side/Decel G Sensor"

VDC OFF switch

BRC-13, "VDC OFF Switch"

Brake fluid level switch

BRC-13, "Brake Fluid Level Switch"

Parking brake switch

BRC-13, "Parking Brake Switch"

VDC warning lamp

BRC-14, "System Description"

ABS warning lamp

Brake warning lamp

VDC OFF indicator lamp

ECM

Mainly transmits the following signals to ABS actuator and elec-
tric unit (control unit) via CAN communication.
• Accelerator pedal position signal
• Engine speed signal
Mainly receives the following signals from ABS actuator and
electric unit (control unit) via CAN communication.
• Target throttle position signal

TCM

Mainly transmits the following signals to ABS actuator and elec-
tric unit (control unit) via CAN communication.
• N range signal
• P range signal
• R range signal
• Current gear position signal

AWD control module

Mainly transmits the following signals to ABS actuator and elec-
tric unit (control unit) via CAN communication.
• Current AWD mode signal

Revision: November 2015

2016 JUKE

BRC-12

< SYSTEM DESCRIPTION >

[WITH VDC]

COMPONENT PARTS

• Downsize and weight reduction is aimed. IC for detection portion

and magnet for sensor rotor are adopted.

• Power supply is supplied to detection portion so that magnetic field

line is read. Magnetic field that is detected is converted to current

signal.

• When sensor rotor rotates, magnetic field changes. Magnetic field

change is converted to current signals (rectangular wave) and is

transmitted to ABS actuator and electric unit (control unit). Change

of magnetic field is proportional to wheel speed.

ABS Actuator and Electric Unit (Control Unit)

INFOID:0000000012199654

Electric unit (control unit) is integrated with actuator and comprehensively controls VDC function, TCS func-

tion, ABS function, EBD function and brake limited slip differential (BLSD) function.

ELECTRIC UNIT (CONTROL UNIT)

• Brake fluid pressure, engine and transaxle are controlled according to signals from each sensor.

• If malfunction is detected, the system enters fail-safe mode.

ACTUATOR

The following components are integrated with ABS actuator.

Pump

Returns the brake fluid reserved in reservoir to master cylinder by reducing pressure.

Motor

Activates the pump according to signals from ABS actuator and electric unit (control unit).

Motor Relay

Operates the motor ON/OFF according to signals from ABS actuator and electric unit (control unit).

Actuator Relay (Main Relay)

Operates each valve ON/OFF according to signals from ABS actuator and electric unit (control unit).

ABS IN Valve

Switches the fluid pressure line to increase or hold according to signals from control unit.

NOTE:

Valve is a solenoid valve.

ABS OUT Valve

Switches the fluid pressure line to increase, hold or decrease according to signals from control unit.

NOTE:

Valve is a solenoid valve.

Cut Valve 1, Cut Valve2

Shuts off the ordinary brake line from master cylinder, when VDC function, TCS function and brake limited slip

differential (BLSD) function are activated.

Suction Valve 1, Suction Valve 2

Supplies the brake fluid from master cylinder to the pump, when VDC function, TCS function and brake limited

slip differential (BLSD) function are activated.

Inlet Valve

Brake fluid sucked from the reservoir by the pump does not backflow.

NOTE:

Valve is a check valve.

Outlet Valve

Brake fluid discharged from the pump does not backflow.

NOTE:

Valve is a check valve.

Return Check Valve

Returns the brake fluid from brake caliper to master cylinder by bypassing orifice of each valve when brake is

released.

JPFIC0131GB

Revision: November 2015

2016 JUKE

COMPONENT PARTS

BRC-13

< SYSTEM DESCRIPTION >

[WITH VDC]

BRC

Reservoir

Temporarily reserves the brake fluid drained from brake caliper, so that pressure efficiently decreases when

decreasing pressure of brake caliper.

Stop Lamp Switch

INFOID:0000000012199655

Detects the operation status of brake pedal and transmits converted electric signal to ABS actuator and elec-

tric unit (control unit).

Brake Pedal Position Switch

INFOID:0000000012199656

Detects the operation status of brake pedal and transmits converted electric signal to ABS actuator and elec-

tric unit (control unit).

Steering Angle Sensor

INFOID:0000000012199657

Detects the following information and transmits steering angle signal to ABS actuator and electric unit (control

unit) via CAN communication.

• Steering wheel rotation amount

• Steering wheel rotation angular velocity

• Steering wheel rotation direction

Yaw Rate/Side/Decel G Sensor

INFOID:0000000012199658

Calculates the following information that affects the vehicle, and transmits a signal to ABS actuator and elec-

tric unit (control unit) via communication lines.

• Vehicle rotation angular velocity (yaw rate signal)

• Vehicle lateral acceleration (side G signal) and longitudinal acceleration (decel G signal)

VDC OFF Switch

INFOID:0000000012199659

• This is an integrated switch with switches for other functions.

• Non-operational status or standby status of the following functions can be selected using VDC OFF switch.

VDC OFF indicator lamp indicates the operation status of function. (ON: Non-operational status, OFF:

Standby status)

- VDC function

NOTE:

Brake limited slip differential (BLSD) function control operates.

- TCS function

• VDC OFF indicator lamp turns OFF (standby status) when the engine is started again after it is stopped once

while VDC OFF indicator lamp is ON (non-operational status).

Brake Fluid Level Switch

INFOID:0000000012199660

Detects the brake fluid level in reservoir tank and transmits converted electric signal from combination meter to

ABS actuator and electric unit (control unit) via CAN communication, when brake fluid level is the specified

level or less.

Parking Brake Switch

INFOID:0000000012199661

Detects the operation status of parking brake switch and transmits converted electric signal from combination

meter to ABS actuator and electric unit (control unit).

Revision: November 2015

2016 JUKE

BRC-14

< SYSTEM DESCRIPTION >

[WITH VDC]

SYSTEM

SYSTEM

System Description

INFOID:0000000012199662

• The system switches fluid pressure of each brake caliper to increase, to hold or to decrease according to

signals from control unit in ABS actuator and electric unit (control unit). This control system is applied to

VDC function, TCS function, ABS function, EBD function and brake limited slip differential (BLSD) function.

• Fail-safe function is available for each function and is activated by each function when system malfunction

occurs.

SYSTEM DIAGRAM

NOTE:

• TCM is CVT models only.

• AWD control module is AWD models only.

INPUT SIGNAL AND OUTPUT SIGNAL

Major signal transmission between each unit via communication lines is shown in the following table.

JSFIA0645GB

Revision: November 2015

2016 JUKE

SYSTEM

BRC-15

< SYSTEM DESCRIPTION >

[WITH VDC]

BRC

VDC function, TCS function, ABS function, EBD function, Brake limited slip differential (BLSD) function

*1: Communication line between yaw rate/side/decel G sensor and ABS actuator and electric unit (control unit)

*2: Models with CVT

*3: AWD models

VALVE OPERATION [VDC FUNCTION, TCS FUNCTION AND BRAKE LIMITED SLIP DIFFEREN-
TIAL (BLSD) FUNCTION

The control unit built in the ABS actuator and electric unit (control unit) controls fluid pressure of the brake cal-

ipers, respectively, by operating each valve.

When VDC Function, TSC Function and Brake Limited Slip Differential (BLSD) Function is in Operation (During Pres-

Component

Signal description

Steering angle sensor

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN
communication.
• Steering angle sensor signal

Yaw rate/side/decel G sensor

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via com-
munication line

• Yaw rate signal
• Side G sensor signal
• Decel G sensor signal

ECM

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN
communication.
• Accelerator pedal position signal
• Engine speed signal
Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN
communication.
• Target throttle position signal

TCM

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN
communication.
• N range signal
• P range signal
• R range signal
• Current gear position signal

AWD control module

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN
communication.
• Current AWD mode signal

Combination meter

Mainly transmits the following signals to ABS actuator and electric unit (control unit) via CAN
communication.
• Brake fluid level switch signal
Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN
communication.
• ABS warning lamp signal
• Brake warning lamp signal
• VDC warning lamp signal
• VDC OFF indicator lamp signal

Revision: November 2015

2016 JUKE

BRC-16

< SYSTEM DESCRIPTION >

[WITH VDC]

SYSTEM

sure Increases)

During pressure front RH brake caliper increases

• Brake fluid is conveyed to the pump from the master cylinder through suction valve 2 and is pressurized by

the pump operation. The pressurized brake fluid is supplied to the front RH brake caliper through the ABS IN

valve. For the left caliper, brake fluid pressure is maintained because the pressurization is unnecessary. The

pressurization for the left caliper is controlled separately from the right caliper.

During pressure front LH brake caliper increases

• Brake fluid is conveyed to the pump from the master cylinder through suction valve 1 and is pressurized by

the pump operation. The pressurized brake fluid is supplied to the front LH brake caliper through the ABS IN

valve. For the right caliper, brake fluid pressure is maintained because the pressurization is unnecessary.

The pressurization for the right caliper is controlled separately from the left caliper.

During pressure rear RH brake caliper increases

• Brake fluid is conveyed to the pump from the master cylinder through suction valve 1 and is pressurized by

the pump operation. The pressurized brake fluid is supplied to the rear RH brake caliper through the ABS IN

valve. For the left caliper, brake fluid pressure is maintained because the pressurization is unnecessary. The

pressurization for the left caliper is controlled separately from the right caliper.

During pressure rear LH brake caliper increases

• Brake fluid is conveyed to the pump from the master cylinder through suction valve 2 and is pressurized by

the pump operation. The pressurized brake fluid is supplied to the rear LH brake caliper through the ABS IN

JSFIA0646GB

Name

Not activated

During pressure increases

Cut valve 1

Power supply is not supplied (open)

Power supply is supplied (close)

Cut valve 2

Power supply is not supplied (open)

Power supply is supplied (close)

Suction valve 1

Power supply is not supplied (close)

Power supply is supplied (open)

Suction valve 2

Power supply is not supplied (close)

Power supply is supplied (open)

ABS IN valve

Power supply is not supplied (open)

ABS OUT valve

Power supply is not supplied (close)

Each brake caliper (fluid pressure)

—

Pressure increases

Revision: November 2015

2016 JUKE

Content .. 50 51 52 53 ..