INFINITI QX56 2011 Factory Service Manual

SRC-88
< DTC/CIRCUIT DIAGNOSIS >
B1083 SEAT BELT PRE-TENSIONER RH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1084 SEAT BELT PRE-TENSIONER RHSRC-89
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1084 SEAT BELT PRE-TENSIONER RH
DTC LogicINFOID:0000000006220024
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-89, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220025
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner RH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-89, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-89, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1084 PRE-TEN FRONT RH
[SHORT] Seat belt pre-tensioner RH circuits are
shorted to each other  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-90
< DTC/CIRCUIT DIAGNOSIS >
B1084 SEAT BELT PRE-TENSIONER RH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1086 SEAT BELT PRE-TENSIONER LH
SRC-91
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1086 SEAT BELT PRE-TENSIONER LH
DTC LogicINFOID:0000000006220026
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-91, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220027
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner LH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-91, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-91, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1086 PRE-TEN FRONT LH
[OPEN] Seat belt pre-tensioner LH circuit is open  Disconnection of wiring harness and open
 Malfunction in seat belt pre-tensioner LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-92
< DTC/CIRCUIT DIAGNOSIS >
B1086 SEAT BELT PRE-TENSIONER LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1087 SEAT BELT PRE-TENSIONER LH
SRC-93
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1087 SEAT BELT PRE-TENSIONER LH
DTC LogicINFOID:0000000006220028
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-93, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220029
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner LH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-93, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-93, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1087 PRE-TEN FRONT LH
[VB-SHORT] Seat belt pre-tensioner LH circuit is
shorted to power supply circuit  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-94
< DTC/CIRCUIT DIAGNOSIS >
B1087 SEAT BELT PRE-TENSIONER LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1088 SEAT BELT PRE-TENSIONER LH
SRC-95
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1088 SEAT BELT PRE-TENSIONER LH
DTC LogicINFOID:0000000006220030
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-95, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220031
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner LH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-95, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-95, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1088 PRE-TEN FRONT LH
[GND-SHORT] Seat belt pre-tensioner LH circuit is
shorted to ground  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-96
< DTC/CIRCUIT DIAGNOSIS >
B1088 SEAT BELT PRE-TENSIONER LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1089 SEAT BELT PRE-TENSIONER LH
SRC-97
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1089 SEAT BELT PRE-TENSIONER LH
DTC LogicINFOID:0000000006220032
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “Self Diagnostic Result” mode of “AIR BAG” using CONSULT-III.
Without CONSULT-III
1. Turn ignition switch ON.
2. Check the air bag warning lamp status. Refer to SRC-14, "
On Board Diagnosis Function".
NOTE:
SRS does not enter the diagnosis mode if no malfunction is detected in the user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-97, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220033
WARNING:
 Before servicing, turn ignition s witch OFF, disconnect battery negati ve terminal, and wait at least 3
minutes or more. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
1.CHECK HARNESS CONNECTOR
Check the harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connector.
2.CHECK WIRING HARNESS
Check the wiring harness externals.
Is the inspection result normal?
YES >> GO TO 3.
NO >> Replace wiring harness.
3.REPLACE SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner LH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-97, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE AIR BAG DIAGNOSIS SENSOR UNIT
1. Replace air bag diagnosis sensor unit. Refer to SR-26, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-97, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1089 PRE-TEN FRONT LH
[SHORT] Seat belt pre-tensioner LH circuits are
shorted to each other  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56