INFINITI QX56 2010 Factory Service Manual

B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH (REAR)SRC-35
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B1150 – B1153 SIDE CURTAIN AI R BAG MODULE LH (REAR)
DescriptionINFOID:0000000005147807
DTC B1150 – B1153 LH SIDE CURTAIN AIR BAG MODULE (REAR)
The LH side curtain air bag module (rear) is wired to the air bag diagnosis sensor unit. The air bag diagnosis
sensor unit will monitor for opens and shorts in detect ed lines to the LH side curtain air bag module (rear).
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147808
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-36, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCE DURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
CONSULT-III name DTC DTC detecting condition Repair order
CURTAIN MODULE LH [OPEN] B1150LH side curtain air bag module (rear) circuit
is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the LH side curtain air bag module.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
CURTAIN MODULE LH
[VB-SHORT] B1151LH side curtain air bag module (rear) circuit
is shorted to a power supply circuit.
CURTAIN MODULE LH [GND-SHORT] B1152
LH side curtain air bag module (rear) circuit
is shorted to ground.
CURTAIN MODULE LH [SHORT] B1153LH side curtain air
bag module (rear) cir-
cuits are shorted to each other.
WHIA0254E
Revision: April 20092010 QX56

SRC-36
< COMPONENT DIAGNOSIS >
B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH (REAR)
Turn ignition switch ON.
>> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-84, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147809
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.LH SIDE CURTAIN AIR BAG MODULE
Replace the LH side curtain air bag module. Refer to SR-13, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Revision: April 20092010 QX56

B1150 – B1153 SIDE CURTAIN AIR BAG MODULE LH (REAR)SRC-37
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Replace the related harness. >>END
Revision: April 20092010 QX56

SRC-38
< COMPONENT DIAGNOSIS >
B1145 – B1148 SIDE CURTAIN AIR BAG MODULE RH (REAR)
B1145 – B1148 SIDE CURTAIN AI R BAG MODULE RH (REAR)
DescriptionINFOID:0000000005147810
DTC B1145 – B1148 RH SIDE CURTAIN AIR BAG MODULE (REAR)
The RH side curtain air bag module (rear) is wired to the air bag diagnosis sensor unit. The air bag diagnosis
sensor unit will monitor for opens and shorts in detec ted lines to the RH side curtain air bag module (rear).
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147811
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-39, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
CONSULT-III name DTC DTC detecting condition Repair order
CURTAIN MODULE RH [OPEN] B1145RH side curtain air bag module (rear) cir-
cuit is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the RH side curtain air bag module.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
CURTAIN MODULE RH
[VB-SHORT] B1146RH side curtain air bag module (rear) cir-
cuit is shorted to a power supply circuit.
CURTAIN MODULE RH [GND-SHORT] B1147
RH side curtain air bag module (rear) cir-
cuit is shorted to ground.
CURTAIN MODULE RH [SHORT] B1148RH side curtain air bag module (rear) cir-
cuits are shorted to each other.
WHIA0252E
Revision: April 20092010 QX56

B1145 – B1148 SIDE CURTAIN AIR BAG MODULE RH (REAR)
SRC-39
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Turn ignition switch ON. >> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-84, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147812
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.RH SIDE CURTAIN AIR BAG MODULE
Replace the RH side curtain air bag module. Refer to SR-13, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Revision: April 20092010 QX56

SRC-40
< COMPONENT DIAGNOSIS >
B1145 – B1148 SIDE CURTAIN AIR BAG MODULE RH (REAR)
Replace the related harness.
>>END
Revision: April 20092010 QX56

B1086 – B1089 SEAT BELT PRE-TENSIONER LHSRC-41
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B1086 – B1089 SEAT BELT PRE-TENSIONER LH
DescriptionINFOID:0000000005147813
DTC B1086 – B1089 SEAT BELT PRE-TENSIONER LH
The seat belt pre-tensioner LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit
will monitor for opens and shorts in detected lines to the seat belt pre-tensioner LH.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147814
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-42, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCE DURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
CONSULT-III name DTC DTC detecting condition Repair order
PRE-TEN FRONT LH [OPEN] B1086LH seat belt pre-tensioner circuit is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front LH seat belt pre-tensioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN FRONT LH
[VB-SHORT] B1087LH seat belt pre-tensioner circuit is shorted
to a power supply circuit.
PRE-TEN FRONT LH [GND-SHORT] B1088
LH seat belt pre-tensioner circuit is shorted
to ground.
PRE-TEN FRONT LH [SHORT] B1089LH seat belt pre-tensioner circuits are
shorted to each other.
WHIA0263E
Revision: April 20092010 QX56

SRC-42
< COMPONENT DIAGNOSIS >
B1086 – B1089 SEAT BELT PRE-TENSIONER LH
Turn ignition switch ON.>> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-84, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147815
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.FRONT LH SEAT BELT PRE-TENSIONER
Replace the front LH seat belt pre-tensioner. Refer to SR-16, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Revision: April 20092010 QX56

B1086 – B1089 SEAT BELT PRE-TENSIONER LHSRC-43
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Replace the related harness. >>END
Revision: April 20092010 QX56

SRC-44
< COMPONENT DIAGNOSIS >
B1081 – B1084 SEAT BELT PRE-TENSIONER RH
B1081 – B1084 SEAT BELT PRE-TENSIONER RH
DescriptionINFOID:0000000005147816
DTC B1081 – B1084 SEAT BELT PRE-TENSIONER RH
The seat belt pre-tensioner RH is wired to the air bag di agnosis sensor unit. The air bag diagnosis sensor unit
will monitor for opens and shorts in detected lines to the seat belt pre-tensioner RH.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147817
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-45, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
CONSULT-III name DTC DTC detecting condition Repair order
PRE-TEN FRONT RH [OPEN] B1081RH seat belt pre-tensioner circuit is open. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the front RH seat belt pre-tensioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN FRONT RH
[VB-SHORT] B1082RH seat belt pre-tensioner circuit is short-
ed to a power supply circuit.
PRE-TEN FRONT RH [GND-SHORT] B1083
RH seat belt pre-tensioner circuit is short-
ed to ground.
PRE-TEN FRONT RH [SHORT] B1084RH seat belt pre-tensioner circuits are
shorted to each other.
WHIA0262E
Revision: April 20092010 QX56