Nissan X-Trail 32. Manual - part 1786

SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

SBC-19

< DTC/CIRCUIT DIAGNOSIS >

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DTC/CIRCUIT DIAGNOSIS

SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

Diagnosis Procedure

INFOID:0000000010926554

1.

CHECK SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

1.

Disconnect seat belt buckle switch (passenger side) connector.

2.

Check continuity between seat belt buckle switch (passenger side) and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace harness.

2.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE) 

Check seat belt buckle switch (passenger side).
Refer to 

SBC-19, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace seat belt buckle (passenger side). Refer to 

SB-14, "SEAT BELT BUCKLE : Removal and

Installation"

.

Component Inspection

INFOID:0000000010926555

1.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

1.

Turn ignition switch OFF.

2.

Disconnect seat belt buckle switch connector.

3.

Check continuity of seat belt buckle (passenger side).

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace seat belt buckle (passenger side). Refer to 

SB-14, "SEAT BELT BUCKLE : Removal and

Installation"

.

Seat belt buckle switch (passenger side)

Ground

Continuity

Connector

Terminal

B23

2

Existed

Seat belt buckle switch (passenger side)

Condition

Continuity

Terminal

1

2

When passenger side seat 
belt is not fastened

Existed

When passenger side seat 
belt is fastened

Not existed

SBC-20

< DTC/CIRCUIT DIAGNOSIS >

REAR SEAT BELT BUCKLE SWITCH

REAR SEAT BELT BUCKLE SWITCH

Diagnosis Procedure

INFOID:0000000010926556

1.

CHECK REAR SEAT BELT BUCKLE SWITCH GROUND CIRCUIT

1.

Disconnect rear seat belt buckle switch connector.

2.

Check the continuity between rear seat belt buckle switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2

NO

>> Repair or replace harness.

2.

CHECK REAR SEAT BELT BUCKLE SWITCH 

Check rear seat belt buckle switch.
Refer to 

SBC-20, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace rear seat belt buckle. Refer to 

SB-19, "SEAT BELT BUCKLE : Removal and Installation"

.

Component Inspection 

INFOID:0000000010926557

1.

CHECK REAR SEAT BELT BUCKLE SWITCH 

Check continuity between rear seat belt buckle switch connector.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace rear seat belt buckle. Refer to 

SB-19, "SEAT BELT BUCKLE : Removal and Installation"

.

Rear seat belt buckle switch

Ground

Continuity

Connector

 Terminal

LH

B65

2

Ground

Existed

Center

B64

4

RH

2

Rear seat belt buckle switch

Condition

Continuity

Connector

Terminal

LH

B65

1

2

Rear seat belt (LH) is unfastened

Existed

Rear seat belt (LH) is fastened

Not existed

Center

B64

3

4

Rear seat belt (center) is unfastened

Existed

Rear seat belt (center) is fastened

Not existed

RH

1

2

Rear seat belt (RH) is unfastened

Existed

Rear seat belt (RH) is fastened

Not existed

FRONT SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

SBC-21

< SYMPTOM DIAGNOSIS >

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SYMPTOM DIAGNOSIS

FRONT SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

Diagnosis Procedure

INFOID:0000000010926558

1.

CHECK DTC OF “AIR BAG DIAGNOSIS SENSOR UNIT”     

Check DTC in “Self Diagnosis Result” mode of “Air bag diagnosis sensor unit” using CONSULT.

Is DTC detected?

YES

>> Perform the trouble diagnosis related to the detected DTC. Refer to 

SRC-18, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF “COMBINATION METER” 

Check DTC in “Self Diagnosis Result” mode of “METER/M&A” using CONSULT.

Is DTC detected?

YES

>> Perform the trouble diagnosis related to the detected DTC. Refer to 

MWI-105, "DTC Index"

.

NO

>> GO TO 3.

3.

CHECK COMBINATION METER POWER SUPPLY AND GROUND CIRCUIT

Check combination meter power supply and ground circuit. Refer to 

MWI-129, "COMBINATION METER :

Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace the malfunctioning parts.

4.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 5.

NO-1

>> Damage: Replace malfunctioning parts.

NO-2

>> Disconnection or looseness: Securely lock the connector.

5.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES-1 >> GO TO 6. (driver side)
YES-2 >> GO TO 7. (passenger side)
NO

>> Replace malfunctioning parts.

6.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

Check the seat belt buckle switch. Refer to 

WCS-55, "Component Function Check"

.

Is the inspection result normal?

YES

>> GO TO 9.

NO

>> Repair or replace the malfunctioning parts.

7.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

Check the seat belt buckle switch. Refer to 

SBC-19, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 8.

NO

>> Repair or replace the malfunctioning parts.

8.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

Replace air bag diagnosis sensor unit.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 9.

SBC-22

< SYMPTOM DIAGNOSIS >

FRONT SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

9.

REPLACE COMBINATION METER

Replace combination meter. Refer to 

MWI-151, "Removal and Installation"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 10.

10.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END