INFINITI QX56 2009 Factory Service Manual

B1086 – B1089 SEAT BELT PRE-TENSIONER LHSRC-43
< COMPONENT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
Replace the related harness. >>END
Revision: December 20092009 QX56

SRC-44
< COMPONENT DIAGNOSIS >
B1081 – B1084 SEAT BELT PRE-TENSIONER RH
B1081 – B1084 SEAT BELT PRE-TENSIONER RH
DescriptionINFOID:0000000003775216
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:0000000004221431
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: December 20092009 QX56

B1081 – B1084 SEAT BELT PRE-TENSIONER RH
SRC-45
< COMPONENT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
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-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775218
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 RH SEAT BELT PRE-TENSIONER
Replace the front RH 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: December 20092009 QX56

SRC-46
< COMPONENT DIAGNOSIS >
B1081 – B1084 SEAT BELT PRE-TENSIONER RH
Replace the related harness.
>>END
Revision: December 20092009 QX56

B1182 - B1185 SEAT BELT BUCKLE PRE-TENSIONER LH
SRC-47
< COMPONENT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1182 - B1185 SEAT BELT BUCKLE PRE-TENSIONER LH
DescriptionINFOID:0000000003775219
DTC B1182 – B1185 SEAT BELT BUCKLE PRE-TENSIONER LH
The seat belt buckle pre-tensioner LH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sen-
sor unit will monitor for opens and shorts in detected lines to the seat belt buckle pre-tensioner LH.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221432
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-48, "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-TEN2 FRONT LH [OPEN] B1182LH seat belt buckle 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 buckle pre-ten-
sioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN2 FRONT LH
[VB-SHORT] B1183LH seat belt buckle pre-tensioner circuit is
shorted to a power supply circuit.
PRE-TEN2 FRONT LH [GND-SHORT] B1184
LH seat belt buckle pre-tensioner circuit is
shorted to ground.
PRE-TEN2 FRONT LH [SHORT] B1185LH seat belt buckle pre-tensioner circuits
are shorted to each other.
WHIA0251E
Revision: December 20092009 QX56

SRC-48
< COMPONENT DIAGNOSIS >
B1182 - B1185 SEAT BELT BUCKLE 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-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775221
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 BUCKLE PRE-TENSIONER
Replace the front LH seat belt buckle 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: December 20092009 QX56

B1182 - B1185 SEAT BELT BUCKLE PRE-TENSIONER LH
SRC-49
< COMPONENT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
Replace the related harness. >>END
Revision: December 20092009 QX56

SRC-50
< COMPONENT DIAGNOSIS >
B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
DescriptionINFOID:0000000003775222
DTC B1177 – B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
The seat belt buckle pre-tensioner RH is wired to the air bag diagnosis sensor unit. The air bag diagnosis sen-
sor unit will monitor for opens and shorts in detect ed lines to the seat belt buckle pre-tensioner RH.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000004221433
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-51, "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-TEN2 FRONT RH [OPEN] B1177RH seat belt buckle 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 buckle pre-ten-
sioner.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
PRE-TEN2 FRONT RH
[VB-SHORT] B1178RH seat belt buckle pre-tensioner circuit is
shorted to a power supply circuit.
PRE-TEN2 FRONT RH [GND-SHORT] B1179
RH seat belt buckle pre-tensioner circuit is
shorted to ground.
PRE-TEN2 FRONT RH [SHORT] B1180RH seat belt buckle pre-tensioner circuits
are shorted to each other.
WHIA0250E
Revision: December 20092009 QX56

B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RHSRC-51
< COMPONENT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
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-85, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775224
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 RH SEAT BELT BUCKLE PRE-TENSIONER
Replace the front RH seat belt buckle 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: December 20092009 QX56

SRC-52
< COMPONENT DIAGNOSIS >
B1177 - B1180 SEAT BELT BUCKLE PRE-TENSIONER RH
Replace the related harness.
>>END
Revision: December 20092009 QX56