Nissan X-Trail 32. Instruction — part 1913
SN-108
< DTC/CIRCUIT DIAGNOSIS >
[WITHOUT PARK ASSIST]
SONAR SYSTEM SWITCH
YES
>> INSPECTION END
NO
>> Repair sonar system switch. Refer to
SN-108, "Component Inspection"
.
Component Inspection
INFOID:0000000011009620
1.
CHECK SONAR SYSTEM SWITCH (1)
1.
Turn ignition switch OFF.
2.
Remove sonar system switch. Refer to
SN-112, "Removal and Installation"
3.
Check the continuity between sonar system switch terminals.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Replace sonar system switch. Refer to
SN-112, "Removal and Installation"
.
2.
CHECK SONAR SYSTEM SWITCH (2)
Check the continuity between sonar system switch terminals as per the following condition.
Is the inspection result normal?
YES
>> INSPECTION END
NO
>> Replace sonar system switch. Refer to
SN-112, "Removal and Installation"
.
Sonar system switch
Continuity
Terminals
(+)
(
−
)
Terminal
5
6
Existed
Sonar system switch
Condition
Continuity
Terminal
1
2
Sonar sys-
tem switch
Press
Existed
Except for
above
Not existed
SN
SONAR SYSTEM SYMPTOMS
SN-109
< SYMPTOM DIAGNOSIS >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
SYMPTOM DIAGNOSIS
SONAR SYSTEM SYMPTOMS
Symptom Table
INFOID:0000000010735611
Symptom
Check item
Diagnosis method
All sonar sensors do not acti-
vate.
—
Check sonar control unit power supply and ground
circuit.
Refer to
SN-106, "SONAR CONTROL UNIT : Di-
.
When there is no malfunction in those compo-
nents, replace the sonar control unit.
Refer to
SN-111, "Removal and Installation"
Front sonar sensors do not ac-
tivate.
Buzzer does not
beeps when indicating
“On” on “FRONT
BUZZER” screen of
the ACTIVE TEST.
Refer to
Buzzer is beeped.
Check front sensor ground circuit.
Refer to
Buzzer is not
beeped.
Check frontfront buzzer drive signal circuit.
Refer to
Rear sonar sensors do not ac-
tivate.
Buzzer does not
beeps when indicating
“On” on “REAR BUZZ-
ER” screen of the AC-
TIVE TEST.
Refer to
Buzzer is beeped.
Check rear sensor ground circuit.
Refer to
Buzzer is not
beeped.
Check front rear buzzer drive signal circuit.
Refer to
SN-110
< SYMPTOM DIAGNOSIS >
[WITHOUT PARK ASSIST]
NORMAL OPERATING CONDITION
NORMAL OPERATING CONDITION
Description
INFOID:0000000010735612
Symptom
Possible cause
Unstable object detection
• The vehicle is on a rough surface, such as stone or gravel.
• When used in poor weather conditions, such as heavy snow/rain or strong wind.
• When subjected to an ultrasonic noise generated from exhaust muffler or brakes.
• When left standing in the hot sun or in a cold climate.
• When the surface of the sensor is frozen or covered with snow/dirt/moisture.
• When a retrofitted xenon lamp, lighted license plate, or harness is close to the sensor body or sensor
harness.
• When subjected to loop coil noises generated from a vehicle detector placed at an intersection or
coin parking area.
Object undetectable
• Air-containing objects, such as cloth, cotton, glass wool, dust, and snow.
• Thin objects, such as rope, chain, and wire.
• Smooth-faced objects placed in a slanting direction.
• Fast-moving small animals.
• A corner of an angular object.
NOTE:
If the sensor detection part is scratched, obstacles cannot be detected.
SN
SONAR CONTROL UNIT
SN-111
< REMOVAL AND INSTALLATION >
[WITHOUT PARK ASSIST]
C
D
E
F
G
H
I
J
K
L
M
B
A
O
P
REMOVAL AND INSTALLATION
SONAR CONTROL UNIT
Removal and Installation
INFOID:0000000010735613
REMOVAL
CAUTION:
Before replacing sonar control unit, perform “Read/Write Configuration” to save or print current vehi-
cle specification. For details, refer to
SN-41, "ADDITIONAL SERVICE WHEN REPLACING SONAR CON-
1.
Remove luggage side lower finisher LH. Refer to
INT-43, "LUGGAGE SIDE LOWER FINISHER :
.
2.
Remove sonar control unit mounting bolt
and connector, And than remove sonar control unit
from
the vehicle.
3.
Remove bracket from sonar control unit.
INSTALLATION
Install in the reverse order of removal.
CAUTION:
Be sure to perform “Read/Write Configuration” when replacing sonar control unit. For details, refer to
SN-41, "CONFIGURATION (SONAR CONTROL UNIT) : Work Procedure"
.
Luggage room left side
Luggage panel inside
: Vehicle front
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