2016 NISSAN NOTE Service Repair Manual

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Page 465 of 3641

NISSAN NOTE 2016 Service Repair Manual SYSTEMBRC-17
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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ABS Function Starts Oper
ating (Pressure Holds)
Front RH brake caliper• Since the ABS IN valve and the ABS OUT val

Page 466 of 3641

NISSAN NOTE 2016 Service Repair Manual BRC-18
< SYSTEM DESCRIPTION >[VDC/TCS/ABS]
SYSTEM
ABS Function Operating
(Pressure Decreases)
Front RH brake caliper• Since the ABS IN valve is closed and the ABS OUT valve is opened, fluid pressu

Page 467 of 3641

NISSAN NOTE 2016 Service Repair Manual SYSTEMBRC-19
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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ABS Function Operating
(Pressure Increases)
Front RH brake caliper• Brake fluid is supplied to the front RH brake

SYSTEMBRC-19
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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ABS Function Operating
(Pressure Increases)
Front RH brake caliper• Brake fluid is supplied to the front RH brake caliper from the master cylinder through the cut valve 1 and the
ABS IN valve. Since the suction valve 1 and the ABS OU T valve is closed, the fluid does not flow into the
reservoir. The amount of brake fluid supplied to the fr ont RH brake caliper from the master cylinder is con-
trolled according to time that the ABS IN valve is not energized (time that the ABS IN valve is open).
Front LH brake caliper
• Brake fluid is supplied to the front LH brake caliper from the master cylinder through the cut valve 2 and the
ABS IN valve. Since the suction valve 2 and the ABS OU T valve is closed, the fluid does not flow into the
reservoir. The amount of brake fluid supplied to the fr ont LH brake caliper from the master cylinder is con-
trolled according to time that the ABS IN valve is not energized (time that the ABS IN valve is open).
Rear RH wheel cylinder• Brake fluid is supplied to the rear RH wheel cylinder from the master cylinder through the cut valve 2 and the
ABS IN valve. Since the suction valve 2 and the ABS OU T valve is closed, the fluid does not flow into the
reservoir. The amount of brake fluid supplied to the r ear RH wheel cylinder from the master cylinder is con-
trolled according to time that the ABS IN valve is not energized (time that the ABS IN valve is open).
Rear LH wheel cylinder
• Brake fluid is supplied to the rear LH wheel cylinder from the master cylinder through the cut valve 1 and the
ABS IN valve. Since the suction valve 1 and the ABS OU T valve is closed, the fluid does not flow into the
JSFIA0679GB
NameNot activatedDuring pressure increases
Cut valve 1 Power supply is not supplied (open) Power supply is not supplied (open)
Cut valve 2 Power supply is not supplied (open) Power supply is not supplied (open)
Suction valve 1 Power supply is not supplied (close) Power supply is not supplied (close)
Suction valve 2 Power supply is not supplied (close) Power supply is not supplied (close)
ABS IN valve Power supply is not supplied (open) Power supp ly is not supplied (open)
ABS OUT valve Power supply is not supplie d (close) Power supply is not supplied (close)
Each brake caliper and each wheel cylinder
(fluid pressure) —
Pressure increases
Revision: August 2015 2016 Versa Note

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Page 468 of 3641

NISSAN NOTE 2016 Service Repair Manual BRC-20
< SYSTEM DESCRIPTION >[VDC/TCS/ABS]
SYSTEM
reservoir. The amount of brake fluid supplied to the r
ear LH wheel cylinder from the master cylinder is con-
trolled according to time that the ABS I

Page 469 of 3641

NISSAN NOTE 2016 Service Repair Manual SYSTEMBRC-21
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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O PCONDITIONS FOR INDICATOR LAMP ILLUMINATION
• Turns ON when VDC and TCS functions are switched to non-operational s

SYSTEMBRC-21
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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O PCONDITIONS FOR INDICATOR LAMP ILLUMINATION
• Turns ON when VDC and TCS functions are switched to non-operational status (OFF) by VDC OFF switch.
• Turns ON when ignition switch turns ON and turns OFF when the system is normal, for bulb check purposes.
CONDITIONS FOR WARNING LAMP ILLUMINATION
Turns ON when ignition switch turns ON and turns OFF when the system is normal, for bulb check purposes.
Component Function
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).
Cut valve 1
Cut valve 2 Shuts off the ordinary brake line from master cylinder.
Suction valve 1
Suction valve 2 Supplies the brake fluid from master cylinder to the pump.
ABS IN valve Switches the fluid pressure line to increase or hold according to signals from control unit.
ABS OUT valve Switches the fluid pressure line to increase, hold or decrease according to signals from control unit.
Return check valve Returns the brake fluid from brake caliper and wheel cylinder to master cylinder by bypassing orifice
of each valve when brake is released.
Reservoir Temporarily reserves the brake fluid drained from brake caliper, so that pressure efficiently decreas-
es when decreasing pressure of brake caliper and wheel cylinder.
Pressure sensor Detects the brake fluid pressure and tr ansmits signal to ABS ac tuator and electric unit (control unit).
Condition (status) VDC OFF indicator lamp SLIP indicator lamp
Ignition switch OFF OFFOFF
For approx. 1 second after the ignition switch
is turned ON ON
ON
Approx. 1 second after ignition switch is
turned ON (when the system is in normal op-
eration) OFF
OFF
When VDC OFF switch is ON (VDC function
and TCS function are OFF) ON
OFF
VDC function is malfunctioning OFFON
TCS function is malfunctioning OFFON
Condition (status)ABS warning lamp Brake warning lamp
Ignition switch OFF OFFOFF
For approx. 1 second after the ignition switch
is turned ON ON
ON
Approx. 1 second after ignition switch is
turned ON (when the system is in normal op-
eration) OFF
OFF
After engine starts OFFOFF
When parking brake operates (parking brake
switch ON) OFF
ON
When brake fluid is less than the specified
level (brake fluid level switch ON) OFF
ON
VDC function is malfunctioning OFFOFF
TCS function is malfunctioning OFFOFF
ABS function is malfunctioning ONOFF
EBD function is malfunctioning ONON
Brake limited slip differential (BLSD) function
is malfunctioning OFF
OFF
Revision: August 2015 2016 Versa Note

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Page 470 of 3641

NISSAN NOTE 2016 Service Repair Manual BRC-22
< SYSTEM DESCRIPTION >[VDC/TCS/ABS]
SYSTEM
VDC/TCS/ABS : VDC Function
INFOID:0000000012430837
SYSTEM DIAGRAM
SYSTEM DESCRIPTION
• Side slip or tail slip may occur while driving on a slippery

Page 471 of 3641

NISSAN NOTE 2016 Service Repair Manual SYSTEMBRC-23
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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• Brake force control function at braking hard detects driver ′s brake operations with the pressure sensor,
judg

SYSTEMBRC-23
< SYSTEM DESCRIPTION > [VDC/TCS/ABS]
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• Brake force control function at braking hard detects driver ′s brake operations with the pressure sensor,
judges a brake booster ′s maximum brake power function by using information from the vacuum sensor, and
enhances more powerful braking force by controlling brakes of four wheels.
• VDC warning lamp blinks while VDC function is in operat ion and indicates to the driver that the function is in
operation.
• CONSULT can be used to diagnose the system.
• Fail-safe function is adopted. When a malfunction occurs in VDC function, the control is suspended for VDC
function and TCS function. However, ABS function and EBD function operate normally. Refer to BRC-39,
"Fail-safe".
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communication lines is shown in the following table.
OPERATION CHARACTERISTICS
VDC Function That Prevents Oversteer Tendency
• During cornering, brake force (brake fluid pressure) is applied on front wheel and rear wheel on the outer
side of turn. Momentum is generated directing the vehicle toward the outer side of the turn. Oversteer is pre-
vented.
• Changing driving lane on a slippery road, when there may be a tendency to oversteer, engine output is con-
trolled as well as brake force (brake fluid pr essure) of 4 wheels. Oversteer tendency decreases.
Component Signal description
ECM Transmits the following signals to ABS actuator an
d electric unit (control unit) via CAN commu-
nication:
• Acceleration pedal position signal
• Engine speed signal
• Target throttle position signal
TCM Transmits the current gear positi
on signal to ABS actuator and electric unit (control unit) via
CAN communication.
Steering angle sensor Transmits the steering an
gle sensor signal to ABS actuator an d electric unit (control unit) via
CAN communication.
Combination meter Transmits the following signals to ABS actuator an
d electric unit (control unit) via CAN commu-
nication:
• Brake fluid level switch signal
• parking brake switch signal
Receives the following signals from ABS actuator and electric unit (control unit) via CAN com-
munication:
• VDC OFF indicator lamp signal
• SLIP indicator lamp signal
ALFIA0339GB
ALFIA0340GB
Revision: August 2015 2016 Versa Note

cardiagn.com

Page 472 of 3641

NISSAN NOTE 2016 Service Repair Manual BRC-24
< SYSTEM DESCRIPTION >[VDC/TCS/ABS]
SYSTEM
VDC Function That Prevents Understeer Tendency
• During cornering, brake force (brake fluid pressure) is applied on front wheel and rear wheel on th

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