Nissan Quest E52. Instruction — part 292
DAS-10
< SYSTEM DESCRIPTION >
[BSW]
SYSTEM
FUNCTION DESCRIPTION
• The BSW system can help alert the driver of other vehicles in adjacent lanes when changing lanes.
• The BSW system uses side radar installed near the rear bumper to detect vehicles in an adjacent lane.
• The side radar can detect vehicles on either side of vehicle within the detection zone shown as illustrated.
• This detection zone starts from the outside mirror of vehicle and extends approximately 10 ft (3.0 m) behind
the rear bumper, and approximately 10 ft (3.0 m) sideways.
• The BSW system operates above approximately 32 km/h (20 MPH).
• If the side radar detects vehicles in the detection zone, the BSW indicator illuminates.
• If the driver then activates the turn signal, a buzzer will sound twice and the BSW indicator will blink.
NOTE:
A buzzer sounds if the side radar have already detected vehicles when the driver activates the turn signal. If
a vehicle comes into the detection zone after the driver activates the turn signal, then only the BSW indicator
blinks and no buzzer sounds.
BSW SYSTEM OPERATION DESCRIPTION
• BSW control module enables BSW system.
• The BSW control module turns on the BSW system when the BSW switch is turned ON.
Side radar LH,
RH
BSW communication
BSW indicator signal
Transmits a BSW indicator signal to turn ON the BSW
indicator
BSW indicator dimmer signal
Transmits a BSW indicator dimmer signal to dimmer
BSW indicator
Vehicle speed signal
Transmits a vehicle speed calculated by the BSW con-
trol module
BSW ON indi-
cator
BSW ON indicator signal
Turns ON the BSW ON indicator
Reception unit
Signal name
Description
JSOIA0509GB
JSOIA0510GB
DAS
SYSTEM
DAS-11
< SYSTEM DESCRIPTION >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
• Side radar detects a vehicle in the adjacent lane, and transmits the vehicle detection signal to BSW control
module via BSW communication.
• BSW control module starts the control as follows, based on a vehicle detection signal, turn signal and dim-
mer signal transmitted from BCM via CAN communication:
- Buzzer output signal transmission to combination meter via CAN communication.
- BSW indicator signal and BSW indicator dimmer signal transmission to side radar via BSW communication.
• Side radar transmits an indicator operation signal to the BSW indicator according to BSW indicator signal
and BSW indicator dimmer signal.
Operation Condition of BSW System
BSW control module performs the control when the following conditions are satisfied.
• When the BSW switch in turned ON.
• When the vehicle drives at approximately 32 km/h (20 MPH) or more to the forward direction.
NOTE:
• After the operating conditions of warning are satisfied, the warning continues until the vehicle speed reaches
approximately 29 km/h (18 MPH)
• The BSW system may not function properly, depending on the situation. Refer to
BULB CHECK ACTION AND FAIL-SAFE INDICATION
*: If BSW initial state is ON, BSW ON indicator continues turned ON.
Vehicle condition/Driver
′
s operation
BSW indicator
BSW
ON indicator
Indication on the combination meter
Ignition switch:
OFF
⇒
ON
Approx. 2 sec. ON
Approx. 5 sec. ON
*
When DTC is detected
OFF
ON
When radar blockage is detected
OFF
ON
JSOIA0374GB
JSOIA0254GB
JSOIA0255GB
DAS-12
< SYSTEM DESCRIPTION >
[BSW]
SYSTEM
Blinking cycle when the side radar blockage condition
NOTE:
Time shown in the figure is approximate time.
BSW INITIAL STATE CHANGE
CAUTION:
Never change BSW initial state “ON”
⇒
“OFF” without the consent of the customer.
BSW initial state can be changed.
• BSW initial ON* - BSW function is automatically turned ON, when the ignition switch OFF
⇒
ON.
• BSW initial OFF - BSW function is still OFF when the ignition switch OFF
⇒
ON.
*: Factory setting
How to change BSW initial state
1.
Turn ignition switch ON.
2.
Switch BSW functions to OFF.
3.
Push and hold BSW switch for more than 4 seconds.
4.
Buzzer sounds and blinking of the BSW ON indicator informs that the BSW initial state changes com-
pleted.
JSOIA0358GB
DAS
SYSTEM
DAS-13
< SYSTEM DESCRIPTION >
[BSW]
C
D
E
F
G
H
I
J
K
L
M
B
N
P
A
Circuit Diagram
INFOID:0000000009940667
Fail-safe (BSW Control Module)
INFOID:0000000009940668
If a malfunction occurs in the system, BSW control module cancels the control. Then the BSW warning lamp in
the combination meter illuminates.
JSOIA0516GB
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