2011 INFINITI QX56 Factory Service Manual

trunk release pairing phone wipers homelink automatic transmission fluid clock reset

Page 4353 of 5598

INFINITI QX56 2011 Factory Service Manual
SBC-56
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)
4. Check continuity between pre-crash seat belt control unit (passenger side) harness connector and
ground.
Is the inspection

SBC-56
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT BUCKLE SWITCH (PASSENGER SIDE)
4. Check continuity between pre-crash seat belt control unit (passenger side) harness connector and
ground.
Is the inspection result normal?
YES >> Replace pre-crash seat belt control unit (passenger side). Refer to SB-6, "SEAT BELT RETRAC-
TOR : Removal and Installation".
NO >> Repair or replace harness or connector.
3.CHECK SEAT BELT ASSEMBLY (PA SSENGER SIDE) GROUND CIRCUIT
Check continuity between seat belt assembly (passenger side) and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO >> Repair or replace harness or connector.
4.CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE)
Check seat belt assembly (passenger side). Refer to SBC-56, "
Component Inspection [Seat Belt Assembly
(Passenger Side)]".
Is the inspection result normal?
YES >> Check intermittent incident. Refer to GI-40, "Intermittent Incident".
NO >> Replace seat belt assembly (passenger side). Refer to SB-6, "
SEAT BELT RETRACTOR :
Removal and Installation".
Component Inspection [Seat Belt Assembly (Passenger Side)]INFOID:0000000006237936
1.CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE)
1. Turn ignition switch OFF.
2. Disconnect seat belt assembly (passenger side) harness connector.
3. Check continuity between seat belt assembly (passenger side) terminals.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace seat belt assembly (passenger side). Refer to SB-6, "
SEAT BELT RETRACTOR :
Removal and Installation".
Pre-crash seat belt control unit (passenger side)
GroundContinuity
Connector Terminal
B231 6 Not existed
Seat belt assembly (passenger side) GroundContinuity
Connector Terminal
B245 4 Existed
Seat belt assembly (passenger side) Condition Continuity
Te r m i n a l
3 4When passenger side seat belt is fastened Not existed
When passenger side seat belt is not fastened Existed
5 When passenger side seat belt is fastened Existed
When passenger side seat belt is not fastened Not existed
Revision: 2010 May2011 QX56

Page 4354 of 5598

INFINITI QX56 2011 Factory Service Manual
SEAT BELT WARNING LAMP CIRCUITSBC-57
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
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M A
B
SBC
N
O P
SEAT BELT WARNING LAMP CIRCUIT
Component Function CheckINFOID:0000000006237937
1.CHECK SEAT BELT WARNI

SEAT BELT WARNING LAMP CIRCUITSBC-57
< DTC/CIRCUIT DIAGNOSIS >
C
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M A
B
SBC
N
O P
SEAT BELT WARNING LAMP CIRCUIT
Component Function CheckINFOID:0000000006237937
1.CHECK SEAT BELT WARNI NG LAMP FUNCTION-I
1. Turn ignition switch ON.
2. Check seat belt warning lamp function.
Is the inspection results normal?
YES >> GO TO 2.
NO >> Check combination meter circuit. Refer to MWI-57, "
Work flow".
2.CHECK SEAT BELT WARNING LAMP FUNCTION-II
1. Sits in the passenger seat.
2. Fasten the seat belt (passenger side).
3. Check seat belt warning lamp function.
Is the inspection results normal?
YES >> Seat belt warning lamp circuit is normal.
NO >> Check seat belt warning lamp circuit. Refer to SBC-57, "
Diagnosis Procedure".
Diagnosis ProcedureINFOID:0000000006237938
WARNING:
Before servicing, turn ignition switch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
Never use unspecified tester or other measuring device.
1.CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE) CIRCUIT-I
1. Turn ignition switch OFF.
2. Disconnect air bag diagnosis sensor unit harness connec tor and seat belt assembly (passenger side) har-
ness connector.
3. Check continuity between air bag diagnosis sensor unit harness connector and seat belt assembly (pas-
senger side) harness connector.
4. Check continuity between air bag diagnosis sensor unit harness connector and ground.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness or connector.
2.CHECK SEAT BELT ASSEMBLY (PASSENGER SIDE) CIRCUIT-II
Check continuity between seat belt assemb ly (passenger side) harness connector and ground.
Condition Seat belt warning lamp
Seat belt (driver side) is fastened Not illuminated
Seat belt (driver side) is unfastened Illuminated
Condition Seat belt warning lamp
Seat belt (passenger side) is fastened Not illuminated
Seat belt (passenger side) is unfastened Illuminated
Air bag diagnosis sensor unit Seat belt assembly (passenger side) Continuity
Connector Terminal Connector Terminal
B228 29 B245 3 Existed
Air bag diagnosis sensor unit GroundContinuity
Connector Terminal
B228 29 Not existed
Revision: 2010 May2011 QX56

Page 4355 of 5598

INFINITI QX56 2011 Factory Service Manual
SBC-58
< DTC/CIRCUIT DIAGNOSIS >
SEAT BELT WARNING LAMP CIRCUIT
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness or connector.
3.CHECK SEAT BELT ASSEMBLY (PASSENGER SI

Page 4356 of 5598

INFINITI QX56 2011 Factory Service Manual
SEAT BELT WARNING LAMP CIRCUITSBC-59
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SBC
N
O P
Is the inspection result normal?
YES >> INSPECTION END
NO >> Replace seat belt assembly (passenger side

Page 4357 of 5598

INFINITI QX56 2011 Factory Service Manual
SBC-60
< SYMPTOM DIAGNOSIS >
PRE-CRASH SEAT BELT DOSE NOT OPERATE
SYMPTOM DIAGNOSIS
PRE-CRASH SEAT BELT DOSE NOT OPERATE
Diagnosis ProcedureINFOID:0000000006237940
1.CHECK POWER SUPPLY AND GROUND CIR

Page 4358 of 5598

INFINITI QX56 2011 Factory Service Manual
SEAT BELT WARNING LAMP DOES NOT TURN OFF
SBC-61
< SYMPTOM DIAGNOSIS >
C
D E
F
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K L
M A
B
SBC
N
O P
SEAT BELT WARNING LAMP DOES NOT TURN OFF
Diagnosis ProcedureINFOID:0000000006237941
1.CHECK SE

Page 4359 of 5598

INFINITI QX56 2011 Factory Service Manual
SBC-62
< SYMPTOM DIAGNOSIS >
SEAT BELT WARNING LAMP DOES NOT TURN ON
SEAT BELT WARNING LAMP DOES NOT TURN ON
Diagnosis ProcedureINFOID:0000000006237942
1.CHECK SEAT BELT WARNING LAMP CIRCUIT
Check se

Page 4360 of 5598

INFINITI QX56 2011 Factory Service Manual
BRAKE PEDAL STROKE SENSORSBC-63
< REMOVAL AND INSTALLATION >
C
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M A
B
SBC
N
O P
REMOVAL AND INSTALLATION
BRAKE PEDAL STROKE SENSOR
Exploded ViewINFOID:0000000006237943
Removal and Insta

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