Nissan Rogue. Manual - part 153

 

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Nissan Rogue. Manual - part 153

 

 

SYSTEM

BRC-23

< SYSTEM DESCRIPTION >

[VDC/TCS/ABS]

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VDC FUNCTION
VDC FUNCTION : System Description

INFOID:0000000011280571

• Side slip or tail slip may occur while driving on a slippery road or intending an urgent evasive driving. VDC

function detects side slip status using each sensor when side slip or tail slip is about to occur and improves

vehicle stability by brake control and engine output control during driving.

• In addition to ABS function, EBD function and TCS function, target side slip amount is calculated according

to steering operation amount from steering angle sensor and brake operation amount from brake pressure

sensor. By comparing this information with vehicle side slip amount that is calculated from information from

yaw rate/side/decel G sensor and wheel sensor, vehicle driving conditions (conditions of understeer or over-

C1160

The following functions are suspended:
• VDC function
• TCS function
• ABS function
• Brake limited slip differential (BLSD) function
• Brake assist function
• hill start assist function
• hill descent function
• Brake force distribution function
• Active trace control function (control of chassis control module)

C1164

The following functions are suspended:
• VDC function
• TCS function
• ABS function
• EBD function
• Brake limited slip differential (BLSD) function
• Brake assist function
• hill start assist function
• hill descent function
• Brake force distribution function
• Active trace control function (control of chassis control module)

C1165

C1170

The following functions are suspended:
• VDC function
• TCS function
• ABS function
• Brake limited slip differential (BLSD) function
• Brake assist function
• hill start assist function
• hill descent function
• Brake force distribution function
• Active trace control function (control of chassis control module)

C1197

Electrical vacuum assistance of brake booster is suspended.

C1198

C1199

C119A

Electrical vacuum assistance of brake booster is suspended.

U1000

The following functions are suspended:
• VDC function
• TCS function
• Brake limited slip differential (BLSD) function
• hill start assist function
• hill descent function
• Brake force distribution function
• Active trace control function (control of chassis control module)

DTC

Fail-safe condition

BRC-24

< SYSTEM DESCRIPTION >

[VDC/TCS/ABS]

SYSTEM

steer) are judged and vehicle stability is improved by brake force control on all 4 wheels and engine output

control.

• VDC function can be switched to non-operational status (OFF) by operating VDC OFF switch. In this case,

VDC OFF indicator lamp turns ON.

• Control unit portion automatically improves driving stability by performing brake force control as well as

engine output control, by transmitting drive signal to actuator portion according to difference between target

side slip amount and vehicle side slip amount 

• VDC warning lamp blinks while VDC 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 VDC function, the control is suspended for VDC

function, TCS function, Brake limited slip differential (BLSD) function, Brake assist function, hill start assist

function and Brake force distribution function. The vehicle status becomes the same as models without VDC

function, TCS function, Brake limited slip differential (BLSD) function, Brake assist function, hill start assist

function and Brake force distribution function. However, ABS function and EBD function are operated nor-

mally. Refer to 

BRC-20, "Fail-Safe"

.

SYSTEM DIAGRAM

INPUT SIGNAL AND OUTPUT SIGNAL

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

JPFIC0133GB

ALFIA0420GB

SYSTEM

BRC-25

< SYSTEM DESCRIPTION >

[VDC/TCS/ABS]

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OPERATION CHARACTERISTICS

VDC Function That Prevents Oversteer Tendency

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

side of turn. Momentum directing towards the outer side of turn is generated. Oversteer is prevented.

• 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

Component

Signal description

ECM

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

TCM

Mainly transmits the following signal to ABS actuator and electric unit (control unit) via CAN 
communication:
• Current gear position signal

Chassis control module

Mainly transmits the following signal to ABS actuator and electric unit (control unit) via CAN 
communication:
• Active trace control signal

Combination meter

Mainly receives the following signals from ABS actuator and electric unit (control unit) via CAN 
communication:
• Brake fluid level switch signal
• Parking brake 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

Steering angle sensor

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

ALFIA0339GB

ALFIA0340GB

BRC-26

< SYSTEM DESCRIPTION >

[VDC/TCS/ABS]

SYSTEM

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

side of turn. Momentum 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
TCS FUNCTION : System Description

INFOID:0000000011280572

• 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,

Brake limited slip differential (BLSD) function, Brake assist func-

tion, hill start assist function and Brake force distribution function

The vehicle status becomes the same as models without VDC

function, TCS function, Brake limited slip differential (BLSD) func-

tion, Brake assist function, hill start assist function and Brake force

distribution function However, ABS function and EBD function are

operated normally. Refer to 

BRC-20, "Fail-Safe"

.

JPFIC0137GB

ALFIA0341GB

JPFIC0139GB

 

 

 

 

 

 

 

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