Nissan X-Trail 32. Manual - 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"

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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"

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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"

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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"

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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]

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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-

agnosis Procedure"

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When there is no malfunction in those compo-
nents, replace the sonar control unit.
Refer to 

SN-111, "Removal and Installation"

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Front sonar sensors do not ac-
tivate.

Buzzer does not 
beeps when indicating 
“On” on “FRONT 
BUZZER” screen of 
the ACTIVE TEST.
Refer to 

SN-19, 

"CONSULT Function"

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Buzzer is beeped.

Check front sensor ground circuit.
Refer to 

SN-76, "Diagnosis Procedure"

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Buzzer is not 
beeped.

Check frontfront  buzzer drive signal circuit.
Refer to 

SN-100, "Diagnosis Procedure"

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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 

SN-19, 

"CONSULT Function"

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Buzzer is beeped.

Check rear sensor ground circuit.
Refer to 

SN-43, "Diagnosis Procedure"

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Buzzer is not 
beeped.

Check front rear buzzer drive signal circuit.
Refer to 

SN-100, "Diagnosis Procedure"

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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]

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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-

TROL UNIT : Description"

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1.

Remove luggage side lower finisher LH. Refer to 

INT-43, "LUGGAGE SIDE LOWER FINISHER :

Removal and Installation"

.

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"

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Luggage room left side

Luggage panel inside

: Vehicle front

JSNIA7366ZZ