Nissan Juke F15. Instruction — part 106
SYSTEM
BRC-15
< SYSTEM DESCRIPTION >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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
*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
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
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)
Power supply is not supplied (open)
ABS OUT valve
Power supply is not supplied (close)
Power supply is not supplied (close)
Each brake caliper (fluid pressure)
—
Pressure increases
SYSTEM
BRC-17
< SYSTEM DESCRIPTION >
[WITH VDC]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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.
When VDC Function, TSC Function and Brake Limited Slip Differential (BLSD) Function is Starts Operating (During
Pressure Holds)
During pressure front RH brake caliper holds
• Since the cut valve 2 and the suction valve 2 are closed, the front RH brake caliper, master cylinder, and res-
ervoir are blocked. This maintains fluid pressure applied on the front RH brake caliper. The pressurization for
the left caliper is controlled separately from the right caliper.
During pressure front LH brake caliper holds
• Since the cut valve 1 and the suction valve 1 are closed, the front LH brake caliper, master cylinder, and res-
ervoir are blocked. This maintains fluid pressure applied on the front LH brake caliper. The pressurization for
the right caliper is controlled separately from the left caliper.
During pressure rear RH brake caliper holds
• Since the cut valve 1 and the suction valve 1 are closed, the rear RH brake caliper, master cylinder, and res-
ervoir are blocked. This maintains fluid pressure applied on the rear RH brake caliper. The pressurization for
the left caliper is controlled separately from the right caliper.
During pressure rear LH brake caliper holds
JSFIA0647GB
Name
Not activated
During pressure holds
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 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 supply is not supplied (open)
ABS OUT valve
Power supply is not supplied (close)
Power supply is not supplied (close)
Each brake caliper (fluid pressure)
—
Pressure holds
BRC-18
< SYSTEM DESCRIPTION >
[WITH VDC]
SYSTEM
• Since the cut valve 2 and the suction valve 2 are closed, the rear LH brake caliper, master cylinder, and res-
ervoir are blocked. This maintains fluid pressure applied on the rear LH brake caliper. The pressurization for
the right caliper is controlled separately from the left caliper.
When VDC Function, TSC Function and Brake Limited Slip Differential (BLSD) Function is in Operation (During Pres-
sure Decreases)
During pressure front RH brake caliper decreases
• Since the suction valve 2 and the ABS OUT valve close and the cut valve 2 and the ABS IN valve open, the
fluid pressure applied on the front RH brake caliper is reduced by supplying the fluid pressure to the master
cylinder via the ABS IN valve and the cut valve 2. The pressurization for the right caliper is controlled sepa-
rately from the left caliper.
During pressure front LH brake caliper decreases
• Since the suction valve 1 and the ABS OUT valve close and the cut valve 1 and the ABS IN valve open, the
fluid pressure applied on the front LH brake caliper is reduced by supplying the fluid pressure to the master
cylinder via the ABS IN valve and the cut valve 2. The pressurization for the left caliper is controlled sepa-
rately from the right caliper.
During pressure rear RH brake caliper decreases
• Since the suction valve 1 and the ABS OUT valve close and the cut valve 1 and the ABS IN valve open, the
fluid pressure applied on the rear RH brake caliper is reduced by supplying the fluid pressure to the master
cylinder via the ABS IN valve and the cut valve 2. The pressurization for the right caliper is controlled sepa-
rately from the left caliper.
JSFIA0648GB
Name
Not activated
During pressure decreases
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 supply is not supplied (open)
ABS OUT valve
Power supply is not supplied (close)
Power supply is not supplied (close)
Each brake caliper (fluid pressure)
—
Pressure decreases
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