2011 INFINITI QX56 Factory Service Manual

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Page 4857 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-64
< DTC/CIRCUIT DIAGNOSIS >
B1049, B1054 DRIVER AIR BAG MODULE
4. Check continuity between driver air bag module harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
N

Page 4858 of 5598

INFINITI QX56 2011 Factory Service Manual
B1050, B1055 DRIVER AIR BAG MODULE
SRC-65
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1050, B1055 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006219998
DTC DETECTION LOGIC
DTC CONF

B1050, B1055 DRIVER AIR BAG MODULE
SRC-65
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
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K L
M A
B
SRC
N
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B1050, B1055 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006219998
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-65, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006219999
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal, and wait 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 SPIRAL CABLE
1. Replace combination switch (spiral cable). Refer to SR-14, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-65, "
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-65, "
DTC Logic".
DTCDisplay contents of
CONSULT-III DTC detecting condition Possible cause
B1050
B1055 DRIVER AIRBAG
MODULE
[VB-SHORT] Driver air bag module circuit is shorted to
power supply circuit
(including the spiral cable) Harness or connectors
(The module circuit is shorted.)
Malfunction in driver air bag module
Malfunction in spiral cable
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4859 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-66
< DTC/CIRCUIT DIAGNOSIS >
B1050, B1055 DRIVER AIR BAG MODULE
Is DTC detected?
YES >> GO TO 5.
NO >> INSPECTION END
5.REPLACE DRIVER AIR BAG MODULE
1. Replace driver air bag module. Refer to S

Page 4860 of 5598

INFINITI QX56 2011 Factory Service Manual
B1051, B1056 DRIVER AIR BAG MODULE
SRC-67
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1051, B1056 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006220000
DTC DETECTION LOGIC
DTC CONF

Page 4861 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-68
< DTC/CIRCUIT DIAGNOSIS >
B1051, B1056 DRIVER AIR BAG MODULE
4. Check continuity between driver air bag module harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
N

Page 4862 of 5598

INFINITI QX56 2011 Factory Service Manual
B1052, B1057 DRIVER AIR BAG MODULE
SRC-69
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1052, B1057 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006220002
DTC DETECTION LOGIC
DTC CONF

Page 4863 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-70
< DTC/CIRCUIT DIAGNOSIS >
B1052, B1057 DRIVER AIR BAG MODULE
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace combination switch (spiral cable). Refer to SR-14, "
Removal and In

Page 4864 of 5598

INFINITI QX56 2011 Factory Service Manual
B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT
SRC-71
< DTC/CIRCUIT DIAGNOSIS >
C
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M A
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SRC
N
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B1058, B1059, B1060, B1061, B1062, B1063 DIAGNOSIS SENSOR UNIT
DTC L

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