Nissan X-Trail 32. Manual - part 139

BRC-22

< SYSTEM DESCRIPTION >

[WITH VDC (ESP)]

COMPONENT PARTS

*: CVT models

4WD Models

Chassis control module

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Active trace control signal
• Active ride control signal
• Chassis control module malfunction signal
Mainly receives the following signals from ABS actuator and electric unit 
(control unit) via CAN communication.
• hill start assist display request signal
Mainly transmits the following signals to combination meter via CAN 
communication.
• hill start assist display request signal
Refer to 

DAS-166, "Component Parts Location"

 for detailed installation 

location.

Electric parking brake control module

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Electric parking brake operation signal
Refer to 

PB-8, "Component Parts Location"

 for detailed installation loca-

tion.

Steering angle sensor

BRC-27, "Steering Angle Sensor"

VDC OFF switch

BRC-28, "VDC (ESP) OFF Switch"

Brake fluid level switch

BRC-28, "Brake Fluid Level Switch"

Brake vacuum sensor

BRC-29, "Brake Vacuum Sensor"

Front LH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Front LH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

ABS actuator and electric unit (control unit)

BRC-25, "ABS Actuator and Electric Unit (Control Unit)"

Rear LH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Rear LH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

No.

Component parts

Function

COMPONENT PARTS

BRC-23

< SYSTEM DESCRIPTION >

[WITH VDC (ESP)]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Back of spiral cable assembly

Instrument driver lower panel

Engine room (RH side)

Steering knuckle

Engine room (LH side)

Rear axle housing

JSFIA2504ZZ

No.

Component parts

Function

Rear RH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Rear RH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

BRC-24

< SYSTEM DESCRIPTION >

[WITH VDC (ESP)]

COMPONENT PARTS

Combination meter

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Parking brake switch signal
• 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
• VDC OFF indicator lamp signal
• VDC warning lamp signal
• Brake warning lamp signal
• hill start assist indicator lamp signal
Mainly receives the following signals from ABS actuator and electric unit 
(control unit) via chassis control module via CAN communication.
• hill start assist display request signal
Refer to 

MWI-7, "METER SYSTEM : Component Parts Location"

 for de-

tailed installation location.

Front RH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Front RH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

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
• Shift position signal
• TCM malfunction signal
Refer to 

TM-466, "CVT CONTROL SYSTEM : Component Parts Loca-

tion"

 for detailed installation location.

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 status signal
• ECM malfunction signal
Refer to 

EC-812, "Component Parts Location"

 for detailed installation lo-

cation.

IPDM E/R

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Ignition switch ON signal
Refer to 

PCS-5, "Component Parts Location"

 for detailed installation lo-

cation.

BCM

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Stop lamp switch signal
• Brake pedal position switch signal
• Cranking signal
• Ignition switch ON signal
Refer to 

BCS-6, "BODY CONTROL SYSTEM : Component Parts Loca-

tion"

 for detailed installation location.

No.

Component parts

Function

COMPONENT PARTS

BRC-25

< SYSTEM DESCRIPTION >

[WITH VDC (ESP)]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

*: CVT models

ABS Actuator and Electric Unit (Control Unit)

INFOID:0000000010723623

Electric unit (control unit) is integrated with actuator and comprehen-
sively controls VDC function, TCS function, ABS function, EBD func-
tion, Brake limited slip differential (BLSD) function, Brake assist
function, bake force distribution function, hill start assist function and
advanced hill descent control function (4WD models with Gasoline
engine).

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

Chassis control module

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Active trace control signal
• Active ride control signal
• Chassis control module malfunction signal
Mainly receives the following signals from ABS actuator and electric unit 
(control unit) via CAN communication.
• hill start assist display request signal
Mainly transmits the following signals to combination meter via CAN 
communication.
• hill start assist display request signal
Refer to 

DAS-166, "Component Parts Location"

 for detailed installation 

location.

Electric parking brake control module

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• Electric parking brake operation signal
Refer to 

PB-8, "Component Parts Location"

 for detailed installation loca-

tion.

4WD control unit

Mainly transmits the following signals to ABS actuator and electric unit 
(control unit) via CAN communication.
• 4WD malfunction signal
• 4WD operation signal
Refer to 

DLN-117, "Component Parts Location"

 for detailed installation 

location.

Steering angle sensor

BRC-27, "Steering Angle Sensor"

VDC OFF switch

BRC-28, "VDC (ESP) OFF Switch"

Brake fluid level switch

BRC-28, "Brake Fluid Level Switch"

Brake vacuum sensor

BRC-29, "Brake Vacuum Sensor"

Front LH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Front LH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

ABS actuator and electric unit (control unit)

BRC-25, "ABS Actuator and Electric Unit (Control Unit)"

Rear LH wheel sensor

BRC-27, "Wheel Sensor and Sensor Rotor"

Rear LH sensor rotor

BRC-27, "Wheel Sensor and Sensor Rotor"

No.

Component parts

Function

JSFIA2254ZZ