Nissan Juke F15. Manual - part 110

 

  Index      Nissan     Nissan Juke F15 (2015 year) - Service and Repair Manual

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  108  109  110  111   ..

 

 

Nissan Juke F15. Manual - part 110

 

 

SYSTEM

BRC-31

< SYSTEM DESCRIPTION >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

• Changing driving lane on a slippery road, when oversteer tendency is judged large, engine output is con-

trolled as well as brake force (brake fluid pressure) of 4 wheels. Oversteer tendency decreases.

VDC Function That Prevents Understeer Tendency

• During a cornering, brake force (brake fluid pressure) is applied on front wheel and rear wheel on the inner

side of turn. Moment directing towards the inner side of turn is generated. Understeer is prevented.

• Applying braking during a cornering on a slippery road, when understeer tendency is judged large, engine

output is controlled as well as brake force (brake fluid pressure) of four wheels. Understeer tendency

decreases.

TCS FUNCTION

JPFIC0136GB

JPFIC0137GB

JPFIC0138GB

BRC-32

< SYSTEM DESCRIPTION >

[WITH VDC]

SYSTEM

TCS FUNCTION : System Description

INFOID:0000000012199665

• Wheel spin status of drive wheel is detected by wheel sensor of 4

wheels. Engine output and transmission shift status is controlled

so that slip rate of drive wheels is in appropriate level. When wheel

spin occurs on drive wheel, ABS actuator and electric unit (control

unit) perform brake force control of LH and RH drive wheels (apply

brake force by increasing brake fluid pressure of drive wheel) and

decrease engine torque by engine torque control. Wheel spin

amount decreases. Engine torque is controlled to appropriate

level.

• TCS function can be switched to non-operational status (OFF) by

operating VDC OFF switch. In this case, VDC OFF indicator lamp

turns ON.

• VDC warning lamp blinks while TCS function is in operation and

indicates to the driver that the function is in operation.

• CONSULT can be used to diagnose the system diagnosis.

• Fail-safe function is adopted. When a malfunction occurs in TCS

function, the control is suspended for VDC function, TCS function

and brake limited slip differential (BLSD) function. The vehicle sta-

tus becomes the same as models without VDC function, TCS func-

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

ABS function and EBD function are operated normally. Refer to

BRC-25, "Fail-safe"

.

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.

JPFIC0139GB

JSFIA0654GB

SYSTEM

BRC-33

< SYSTEM DESCRIPTION >

[WITH VDC]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

*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

ABS FUNCTION
ABS FUNCTION : System Description

INFOID:0000000012199666

• By preventing wheel lock through brake force (brake fluid pressure) control that is electronically controlled by

detecting wheel speed during braking, stability during emergency braking is improved so that obstacles can

be easily bypassed by steering operation.

• During braking, control units calculates wheel speed and pseudo-vehicle speed, and transmits pressure

increase, hold or decrease signals to actuator portion according to wheel slip status.

Component

Signal description

Yaw rate/side/decel G sensor

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

*1

.

• 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

*2

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

*3

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

Steering angle sensor

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

BRC-34

< SYSTEM DESCRIPTION >

[WITH VDC]

SYSTEM

• The following effects are obtained by preventing wheel lock during

braking.

- Vehicle tail slip is prevented during braking when driving straight.

- Understeer and oversteer tendencies are moderated during brak-

ing driving on a corner.

- Obstacles may be easily bypassed by steering operation during

braking.

• CONSULT can be used to diagnose the system diagnosis.

• Fail-safe function is adopted. When a malfunction occurs in ABS

function, the control is suspended for VDC function, TCS function,

ABS function and brake limited slip differential (BLSD) function.

The vehicle status becomes the same as models without VDC

function, TCS function, ABS function and brake limited slip differ-

ential (BLSD) function. However, EBD function is operated nor-

mally. Refer to 

BRC-25, "Fail-safe"

.

NOTE:

• ABS has the characteristic as described here, but it is not the

device that helps reckless driving.

• To stop vehicle efficiently, ABS does not operate and ordinary

brake operates at low speed [approx. 10 km/h (6.2 MPH) or less,

but differs subject to road conditions).

• Self-diagnosis is performed immediately after when engine starts

and when vehicle initially is driven [by vehicle speed approx. 15

km/h (9.3 MPH)]. Motor sounds are generated during self-diagno-

sis. In addition, brake pedal may be felt heavy when depressing brake pedal lightly. These symptoms are not

malfunctions.

SYSTEM DIAGRAM

INPUT SIGNAL AND OUTPUT SIGNAL

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

JPFIC0140GB

JPFIC0144GB

 

 

 

 

 

 

 

Content   ..  108  109  110  111   ..