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
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
.
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-
.
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
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
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
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
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
.
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
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
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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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
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
.
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-
.
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
.
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
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
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
.
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
.
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
GI-44, "Intermittent Incident"
>> INSPECTION END
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