Nissan X-Trail 32. Manual — part 1889
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< SYSTEM DESCRIPTION >
[WITHOUT PARK ASSIST]
COMPONENT PARTS
Sonar Sensor
INFOID:0000000010735537
When a distance from an obstacle is detected, a distance signal is
transmitted to the sonar control unit.
Buzzer
INFOID:0000000010735538
• The warning buzzer sounds with the signal from the sonar control
unit.
• Buzzer (front ward) is installed to instrument lower panel LH (LHD
models) or instrument lower panel RH (RHD models).
• Buzzer (backward) is installed inside the luggage side lower fin-
isher LH.
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SYSTEM
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< SYSTEM DESCRIPTION >
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SYSTEM
SONAR SYSTEM
SONAR SYSTEM : System Description
INFOID:0000000010735539
SYSTEM DIAGRAM
*1: M/T models
*2: CVT models
*3: With around view monitor system
Sonar Control Unit Input Signal (CAN Communication)
Sonar Control Unit Output Signal (CAN Communication)
DESCRIPTION
Without around view monitor system
• The sonar sensor installed to the front bumper and the rear bumper detects obstacles around the bumper.
JSNIA7288GB
Transmit unit
Signal name
IPDM E/R (M/T models)
Gear position signal
TCM (CVT models)
Shift position signal
ABS actuator and electric unit (control unit)
Vehicle speed signal (ABS)
Combination meter
System setting signal
Receiver unit
Signal name
Combination meter
• Sonar indicator display signal
• Parking sensor error signal
Around view monitor control unit (with around view monitor sys-
tem)
Sonar indicator display signal
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< SYSTEM DESCRIPTION >
[WITHOUT PARK ASSIST]
SYSTEM
• The sonar control unit changes the buzzer cycle and the warning of the sonar indicator (combination meter),
according to a distance from an obstacle detected by the sonar sensor.
• The sonar control unit controls the buzzer cycle according to a buzzer drive signal.
• The sonar control unit controls the sonar indicator according to a sonar indicator display signal transmitted to
the combination meter via CAN communication.
With around view monitor system
• The sonar sensor installed to the front bumper and the rear bumper detects obstacles around the bumper.
• The sonar control unit changes the buzzer cycle and the warning of the sonar indicator (combination meter
and NAVI control unit display), according to a distance from an obstacle detected by the sonar sensor.
• The sonar control unit controls the buzzer cycle according to a buzzer drive signal.
• The sonar control unit controls the sonar indicator according to a sonar indicator display signal transmitted to
the combination meter and the around view monitor control unit via CAN communication.
SONAR SYSTEM ACTIVATION CONDITION
The sonar system warns the driver of the presence or absence of obstacles by buzzer and the sonar indicator
when the following conditions are satisfied while the ignition switch is turned ON.
×
: Activation
NOTE:
• When a sonar system switch is turned OFF, obstacle detection function stops.
• When an obstacle is detected by the sensor, Buzzer sounds.
• The sonar control unit activates the warning buzzer for approximately 0.5 seconds after detecting the
reverse signal.
• The following items can be set for the sonar system on the settings screen of the combination meter.
- Only ON/OFF/Fr of sonar sensor
- Detection range of sonar sensor
- Buzzer volume
OBSTACLE DETECTION DISTANCE
• The sonar control unit changes a buzzer cycle and a sonar indicator indication according to a distance from
an obstacle.
Obstacle detection range image
Sonar activation condition
Sonar operation
Sonar system
switch indicator
Shift position
Vehicle speed
Obstacle detect-
ing sensor
Buzzer
Sonar indicator
Front
Rear
ON
R
Approx. 10 km/h
(6.2 MPH) or less
Front sensor
×
×
Rear sensor
×
×
D
Front sensor
×
×
Rear sensor
—
—
—
OFF
—
—
—
—
—
—
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• Detection distance of an obstacle changes, as shown in the table below, when the detection sensitivity is
changed on the settings screen of the information display of the combination meter. Refer to
"INFORMATION DISPLAY : System Description"
Detection distance
Sonar Indicator
• Sonar indicator is displayed on the information display in combina-
tion meter.
• The sonar control unit displays a warning on sonar indicator in 3 stages (green, yellow, and red), according
to a distance from an obstacle.
NOTE:
• A distance from an obstacle is also displayed on the information display of the combination meter.
• Sonar indicator is displayed also on Bird-Eye view and Front-
side view screen of around view monitor.
• Warning displayed on the sonar indicator and a distance change according to a distance between an obsta-
cle and sensor as shown in the following table.
Detection distance (default value)
Warning Buzzer
• The warning buzzer output frequency changes levels according to the detection distance.
• As the vehicle approaches an obstacle, the buzzer-sounding cycle becomes shorter.
A.
Approx. 60 cm (23.62 in)
(default value)
B.
Approx. 100 cm (39.37 in)
(default value)
C.
Approx. 150 cm (59.06 in)
(default value)
Item (detection range)
Corner sensor
Front center sensor
Rear center sensor
FAR
60 cm (23.62 in) + 10%
100 cm (39.37 in) + 10%
150 cm (59.06 in) + 10%
NORMAL (default value)
Approx. 60 cm (23.62 in)
Approx. 100 cm (39.37 in)
Approx. 150 cm (59.06 in)
NEAR
60 cm (23.62 in)
−
10%
100 cm (39.37 in)
−
10%
150 cm (59.06 in)
−
10%
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Status of warning
Detection distance
Corner sensor
Front center sensor
Rear center sensor
Red
0 – 30 cm
(0 in – 11.81 in)
0 – 30 cm
(0 in – 11.81 in)
0 – 30 cm
(0 in – 11.81 in)
Yellow
31 – 50 cm
(12.2 in – 19.69 in)
31 – 60 cm
(12.2 in – 23.62 in)
31 – 60 cm
(12.2 in – 23.62 in)
Green
51 – 60 cm
(20.08 in – 23.62 in)
61 – 100 cm
(24.02 in – 39.37 in)
61 – 150 cm
(24.02 in – 59.06 in)
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