Nissan X-Trail 32. Manual — part 190
BRC-226
< PRECAUTION >
[FORWARD EMERGENCY BRAKING]
PRECAUTIONS
2.
Turn key switch to the OFF position with the driver side door opened.
3.
Get out of the vehicle and close the driver side door.
4.
Wait at least 3 minutes. For vehicle with the engine listed below, remove the battery terminal after a lapse
of the specified time.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
5.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
INSTRUCTION 2 (FOR VEHICLES PARKED BY IGNITION SWITCH OFF)
1.
Unlock the door with intelligent key or remote keyless entry.
NOTE:
At this moment, ACC power is supplied.
2.
Open the driver side door.
3.
Open the hood.
4.
Close the driver side door.
5.
Wait at least 3 minutes.
CAUTION:
While waiting, never operate the vehicle such as locking, opening, and closing doors. Violation of
this caution results in the activation of ACC power supply according to the Auto ACC function.
6.
Remove 12V battery terminal.
CAUTION:
After installing 12V battery, always check self-diagnosis results of all ECUs and erase DTC.
Precautions for FEB System Service
INFOID:0000000010721662
CAUTION:
• Never use the distance sensor removed from vehicle. Never disassemble or remodel.
• Erase DTC when replacing parts of FEB system. Then check the operation of FEB system after radar
alignment if necessary.
• Never change FEB system state ON/OFF without the consent of the customer.
• Turn the FEB system OFF in conditions similar to driving, such as free rollers or a chassis dyna-
mometer.
D4D engine
: 20 minutes
HRA2DDT
: 12 minutes
K9K engine
: 4 minutes
M9R engine
: 4 minutes
R9M engine
: 4 minutes
V9X engine
: 4 minutes
PREPARATION
BRC-227
< PREPARATION >
[FORWARD EMERGENCY BRAKING]
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PREPARATION
PREPARATION
Special Service Tools
INFOID:0000000010836772
Commercial Service Tools
INFOID:0000000010836765
Tool number
(Kent-Moore No.)
Tool name
Description
KV99112700
(—)
ICC target board
Uses for radar alignment
JSOIA1012ZZ
Tool name
Description
Spirit level
Uses for distance sensor initial vertical align-
ment.
JSOIA1620ZZ
BRC-228
< SYSTEM DESCRIPTION >
[FORWARD EMERGENCY BRAKING]
COMPONENT PARTS
SYSTEM DESCRIPTION
COMPONENT PARTS
Component Parts Location
INFOID:0000000010721663
LHD MODELS
Back side of front bumper
No.
Component parts
Function
Chassis control unit
• Brake fluid pressure control signal is received from distance sensor
via chassis communication.
• Brake fluid pressure control signal is transmitted to ABS actuator
electric unit (control unit) via CAN communication.
• Refer to
DAS-166, "Component Parts Location"
for detailed installa-
tion location.
ABS actuator and electric unit (control unit)
• Vehicle speed signal and the operation statuses of the VDC, TCS and
ABS systems, etc. are transmitted to the distance sensor via CAN
communication.
• Refer to
BRC-14, "Component Parts Location"
location.
TCM
• CVT control related signal is transmitted to distance sensor via CAN
communication.
• Refer to
TM-235, "CVT CONTROL SYSTEM : Component Parts Lo-
for detailed installation location. (Gasoline engine models)
• Refer to
TM-466, "CVT CONTROL SYSTEM : Component Parts Lo-
for detailed installation location. (Diesel engine models)
JSOIA1636ZZ
COMPONENT PARTS
BRC-229
< SYSTEM DESCRIPTION >
[FORWARD EMERGENCY BRAKING]
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RHD MODELS
ECM
• When Forward Emergency Braking operates, an engine torque down
request signal is received from the distance sensor.
• Refer to
EC-28, "ENGINE CONTROL SYSTEM : Component Parts
for detailed installation location. (MR20DD engine models)
• Refer to
EC-440, "Component Parts Location"
for detailed installa-
tion location. (QR25DE engine models)
• Refer to
EC-812, "Component Parts Location"
for detailed installation
location. (R9M engine models)
Stop lamp switch
Stop lamp switch is installed at the upper part of the brake pedal and
detects a brake operation performed by the driver.
Combination meter
• Performs the following operations using the signals received from the
distance sensor via the CAN communication
- Description: Displays the FEB operation status
- System display and warning:
BRC-238, "Menu Displayed by Pressing
• Refer to
MWI-7, "METER SYSTEM : Component Parts Location"
for
detailed installation location.
BCM
• Stop lamp switch signal is transmitted to the distance sensor via CAN
communication.
• Refer to
BCS-6, "BODY CONTROL SYSTEM : Component Parts Lo-
for detailed installation location.
Steering angle sensor
Steering angle sensor signal is transmitted to distance sensor via CAN
communication.
Sonar control unit
• While Forward Emergency Braking is operating, when the system
wants to recommend an operation to the driver, and when the system
is canceled, a buzzer sounds due to a sonar output request from the
distance sensor.
• Refer to
SN-8, "Component Parts Location"
for detailed installation
location. (With Park Assist)
• Refer to
SN-119, "Component Parts Location"
for detailed installation
location. (Without Park Assist)
Distance sensor
Distance sensor detects radar reflected from a vehicle ahead by irradi-
ating radar forward and calculates a distance from the vehicle ahead
and relative speed, based on the detected signal.
No.
Component parts
Function
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