Qashqai J11. Seat belt control system - part 2

 

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Qashqai J11. Seat belt control system - part 2

 

 

REAR SEAT BELT BUCKLE SWITCH

SBC-17

< DTC/CIRCUIT DIAGNOSIS >

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REAR SEAT BELT BUCKLE SWITCH

Description

INFOID:0000000010500930

• Detects if the seat belt is fastened or unfastened.
• Warning lamp turns OFF if the seat belt is fastened.

Diagnosis Procedure

INFOID:0000000010500931

1.

CHECK REAR SEAT BELT BUCKLE SWITCH 

Check rear seat belt buckle switch.
Refer to 

SBC-17, "Component Inspection"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace rear seat belt buckle. Refer to 

SB-12, "SEAT BELT BUCKLE : Removal and Installation"

.

2.

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

>> INSPECTION END

NO

>> Repair or replace harness.

Component Inspection 

INFOID:0000000010500932

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-12, "SEAT BELT BUCKLE : Removal and Installation"

.

Rear seat belt buckle switch

Ground

Continuity

Connector

 Terminal

LH

B12

2

Ground

Existed

Center

B70

3

RH

B88

2

Rear seat belt buckle switch

Condition

Continuity

Connector

Terminal

LH

B12

1

2

Rear seat belt (LH) is unfas-
tened

Existed

Rear seat belt (LH) is fastened

Not existed

Center

B70

3

4

Rear seat belt (center) is unfas-
tened

Existed

Rear seat belt (center) is fas-
tened

Not existed

RH

B88

1

2

Rear seat belt (RH) is unfas-
tened

Existed

Rear seat belt (RH) is fastened

Not existed

SBC-18

< SYMPTOM DIAGNOSIS >

SEAT BELT WARNING LAMP DOES NOT TURN ON

SYMPTOM DIAGNOSIS

SEAT BELT WARNING LAMP DOES NOT TURN ON

Diagnosis Procedure

INFOID:0000000010431554

1.

CHECK DTC OF “AIR BAG DIAGNOSIS SENSOR UNIT”     

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

Is DTC detected?

YES

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

SRC-19, "DTC Index"

.

NO

>> GO TO 2

2.

CHECK DTC OF “COMBINATION METER” 

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

Is DTC detected?

YES

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

MWI-40, "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-66, "COMBINATION METER : Diag-

nosis 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 

SBC-14, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 8

NO

>> Repair or replace the malfunctioning parts.

7.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

Check the seat belt buckle switch. Refer to 

SBC-15, "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

1.

Replace air bag diagnosis sensor unit.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

SEAT BELT WARNING LAMP DOES NOT TURN ON

SBC-19

< SYMPTOM DIAGNOSIS >

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NO

>> GO TO 9

9.

REPLACE COMBINATION METER

1.

Replace combination meter. Refer to 

MWI-86, "Removal and Installation"

.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 10

10.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SBC-20

< SYMPTOM DIAGNOSIS >

SEAT BELT WARNING LAMP DOES NOT TURN OFF

SEAT BELT WARNING LAMP DOES NOT TURN OFF

Diagnosis Procedure

INFOID:0000000010431555

1.

CHECK DTC OF “AIR BAG DIAGNOSIS SENSOR UNIT”     

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

SRC-19, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF “COMBINATION METER” 

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

MWI-40, "DTC Index"

.

NO

>> GO TO 3

3.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 4.

NO-1

>> damage: Replace malfunctioning parts. 

NO-2

>> disconnection or looseness: Securely lock the connector.

4.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES-1 >> GO TO 5. (driver side)
YES-2 >> GO TO 6. (passenger side)
NO

>> Replace malfunctioning parts.

5.

CHECK SEAT BELT BUCKLE SWITCH (DRIVER SIDE)

Check the seat belt buckle switch. Refer to 

SBC-14, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Repair or replace the malfunctioning parts.

6.

CHECK SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)

Check the seat belt buckle switch. Refer to 

SBC-15, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7

NO

>> Repair or replace the malfunctioning parts.

7.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

Replace air bag diagnosis sensor unit.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 8.

8.

REPLACE COMBINATION METER

1.

Replace combination meter. Refer to 

MWI-86, "Removal and Installation"

.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 9.

9.

INTERMITTENT INCIDENT

SEAT BELT WARNING LAMP DOES NOT TURN OFF

SBC-21

< SYMPTOM DIAGNOSIS >

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Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SBC-22

< SYMPTOM DIAGNOSIS >

REAR SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

REAR SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

Diagnosis Procedure

INFOID:0000000010431972

1.

CHECK DTC OF “AIR BAG DIAGNOSIS SENSOR UNIT”     

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

SRC-19, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF “COMBINATION METER” 

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

MWI-40, "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-66, "COMBINATION METER : Diag-

nosis 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

>> GO TO 6.

NO

>> Replace malfunctioning parts.

6.

CHECK REAR SEAT BELT BUCKLE SWITCH

Check the applicable rear seat belt buckle switch. Refer to 

SBC-17, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 7.

NO

>> Replace the applicable rear seat belt buckle.

7.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

1.

Replace air bag diagnosis sensor unit.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 8.

8.

REPLACE COMBINATION METER

1.

Replace combination meter. Refer to 

MWI-86, "Removal and Installation"

.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 9.

REAR SEAT BELT WARNING LAMP DOES NOT ILLUMINATE

SBC-23

< SYMPTOM DIAGNOSIS >

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9.

CHECK INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

SBC-24

< SYMPTOM DIAGNOSIS >

REAR SEAT BELT WARNING LAMP DOES NOT TURN OFF

REAR SEAT BELT WARNING LAMP DOES NOT TURN OFF

Diagnosis Procedure

INFOID:0000000010431974

1.

CHECK DTC OF “AIR BAG DIAGNOSIS SENSOR UNIT”     

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

SRC-19, "DTC Index"

.

NO

>> GO TO 2.

2.

CHECK DTC OF “COMBINATION METER” 

Check DTC in “Self Diagnosis Result” “Air bag diagnosis sensor unit” using CONSULT.
Is DTC detected?

YES

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

MWI-40, "DTC Index"

.

NO

>> GO TO 3

3.

CHECK HARNESS CONNECTOR

Check the harness connector for disconnection, looseness or damage.

Is the inspection result normal?

YES

>> GO TO 4.

NO-1

>> damage: Replace malfunctioning parts. 

NO-2

>> disconnection or looseness: Securely lock the connector.

4.

CHECK WIRING HARNESS

Check the wiring harness externals.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace malfunctioning parts.

5.

CHECK REAR SEAT BELT BUCKLE SWITCH     

Check the applicable rear seat belt buckle switch. Refer to 

SBC-17, "Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Replace the applicable rear seat belt buckle.

6.

REPLACE AIR BAG DIAGNOSIS SENSOR UNIT

Replace air bag diagnosis sensor unit.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 7.

7.

REPLACE COMBINATION METER

1.

Replace combination meter. Refer to 

MWI-86, "Removal and Installation"

.

2.

Check air bag warning lamp operation.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> GO TO 8.

8.

INTERMITTENT INCIDENT

Refer to 

GI-44, "Intermittent Incident"

.

>> INSPECTION END

 

 

 

 

 

 

 

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