Nissan X-Trail 32. Manual - part 1884

SIREN CONTROL UNIT CIRCUIT (COMMUNICATION SIGNAL)

SEC-303

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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SIREN CONTROL UNIT CIRCUIT (COMMUNICATION SIGNAL)

Component Function Check

INFOID:0000000010926606

1.

CHECK SIREN CONTROL UNIT FUNCTION

1.

Turn ignition switch OFF.

2.

Check that hood is closed completely.

3.

Get in the vehicle and close all doors.

4.

Lock doors using Keyfob.

5.

Check security indicator lamp blinks to confirm that the vehicle security system is shifted into the ARMED
phase. Refer to 

SEC-217, "VEHICLE SECURITY SYSTEM : System Description"

.

Is the inspection result normal?

YES

>> Siren control unit circuit (communication signal) is OK.

NO

>> Refer to 

SEC-303, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010926607

1.

CHECK SIREN CONTROL UNIT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect siren control unit connector.

3.

Disconnect BCM connector.

4.

Check continuity between siren control unit harness connector and BCM harness connector.

5.

Check continuity between siren control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Siren control unit

BCM

Continuity 

Connector

Terminal

Connector

Terminal

B127

3

B47

38

Existed

Siren control unit

Ground

Continuity 

Connector

Terminal

B127

3

Not existed

SEC-304

< DTC/CIRCUIT DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

SIREN CONTROL UNIT CIRCUIT (HAZARD SWITCH SIGNAL)

SIREN CONTROL UNIT CIRCUIT (HAZARD SWITCH SIGNAL)

Component Function Check

INFOID:0000000010926608

1.

CHECK SIREN CONTROL UNIT FUNCTION

1.

Turn ignition switch OFF.

2.

Check that hood is closed completely.

3.

Get in the vehicle and close all doors.

4.

Lock doors using Keyfob.

5.

Check security indicator lamp blinks to confirm that the vehicle security system is shifted into the ARMED
phase. Refer to 

SEC-217, "VEHICLE SECURITY SYSTEM : System Description"

.

6.

Hold up and move a hand over intruder sensor.

7.

Check that hazard warning lamps blinks after a few seconds.

Does the siren sound?

YES

>> Siren control unit circuit (hazard switch signal) is OK.

NO

>> Refer to 

SEC-304, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010926609

1.

CHECK SIREN CONTROL UNIT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect siren control unit connector.

3.

Disconnect BCM connector.

4.

Check continuity between siren control unit harness connector and BCM harness connector.

5.

Check continuity between siren control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness.

2.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

Siren control unit

BCM

Continuity 

Connector

Terminal

Connector

Terminal

B127

1

M87

51

Existed

Siren control unit

Ground

Continuity 

Connector

Terminal

B127

1

Not existed

SECURITY INDICATOR LAMP DOES NOT TURN ON OR BLINK

SEC-305

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

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SYMPTOM DIAGNOSIS

SECURITY INDICATOR LAMP DOES NOT TURN ON OR BLINK

Description

INFOID:0000000010922311

Security indicator lamp does not blink when ignition switch is in a position other than ON.
NOTE:
• Before performing the diagnosis, check “Work Flow”. Refer to 

SEC-259, "Work Flow"

.

• Check that vehicle is under the condition shown in “CONDITIONS OF VEHICLE (OPERATING CONDI-

TIONS)” before starting diagnosis, and check each symptom.

CONDITIONS OF VEHICLE (OPERATING CONDITIONS)

Ignition switch is not in the ON position.

Diagnosis Procedure

INFOID:0000000010922312

1.

CHECK SECURITY INDICATOR LAMP

Check security indicator lamp function.
Refer to 

SEC-295, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace the malfunctioning parts.

2.

REPLACE BCM

• Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

• Confirm the operation after replacement.

Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

SEC-306

< SYMPTOM DIAGNOSIS >

[WITHOUT INTELLIGENT KEY SYSTEM]

VEHICLE SECURITY SYSTEM CANNOT BE SET

VEHICLE SECURITY SYSTEM CANNOT BE SET

KEY FOB

KEY FOB : Description

INFOID:0000000010926612

Armed phase is not activated when all doors are locked using keyfob.
NOTE:
Check that vehicle is under the condition shown in “CONDITIONS OF VEHICLE (OPERATING CONDI-
TIONS)” before starting diagnosis, and check each symptom.

CONDITION OF VEHICLE (OPERATING CONDITIONS)

“SECURITY ALARM SET”: ON
Check the setting of “SECURITY ALARM SET” in “Work Support” mode of “THEFT ALM” of “BCM” using
CONSULT.

KEY FOB : Diagnosis Procedure

INFOID:0000000010926613

1.

CHECK REMOTE KEYLESS ENTRY SYSTEM

Lock/unlock door with keyfob. Refer to 

DLK-649, "REMOTE KEYLESS ENTRY FUNCTION : System Descrip-

tion"

 (With super lock) or 

DLK-800, "REMOTE KEYLESS ENTRY SYSTEM : System Description"

 (With out

super lock).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Refer to 

DLK-718, "Diagnosis Procedure"

.

2.

CHECK HOOD SWITCH

Check hood switch. Refer to 

SEC-297, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace hood switch.

3.

REPLACE BCM

• Replace BCM. Refer to 

BCS-121, "Removal and Installation"

.

• Confirm the operation after replacement.
Is the result normal?

YES

>> INSPECTION END

NO

>> Check intermittent incident. Refer to 

GI-44, "Intermittent Incident"

.

DOOR LOCK AND UNLOCK SWITCH

DOOR LOCK AND UNLOCK SWITCH : Description

INFOID:0000000010926614

ARMED phase is not activated when door is locked using door lock and unlock switch.
NOTE:
Check that vehicle is under the condition shown in “Conditions of vehicle” before starting diagnosis, and check
each symptom.

CONDITION OF VEHICLE (OPERATING CONDITION)

• SECURITY ALARM SET: ON

Check the setting of “SECURITY ALARM SET” in “Work Support” mode of “THEFT ALM” of “BCM” using
CONSULT. 

DOOR LOCK AND UNLOCK SWITCH : Diagnosis Procedure

INFOID:0000000010926615

1.

CHECK POWER DOOR LOCK SYSTEM (DOOR LOCK FUNCTION)

Lock/unlock door with door lock and unlock switch. Refer to 

DLK-646, "System Description"

 (With super lock)

or 

DLK-797, "POWER DOOR LOCK SYSTEM : System Description"

 (Without super lock).

Is the inspection result normal?

YES

>> GO TO 2.