2011 INFINITI QX56 Factory Service Manual

climate settings roof water pump fuel type roof rack brake

Page 4961 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-168
< DTC/CIRCUIT DIAGNOSIS >
B1199 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4962 of 5598

INFINITI QX56 2011 Factory Service Manual
B1200 CURTAIN AIR BAG MODULE LHSRC-169
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1200 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220122
DTC DETECTION LOGIC
DTC CONFIRMATION

B1200 CURTAIN AIR BAG MODULE LHSRC-169
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1200 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220122
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-169, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220123
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 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-169, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE FRONT CURTAIN AIR BAG MODULE
1. Replace front curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-169, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1200 CURTAIN MODULE LH
[GND-SHORT] Front curtain air bag module LH circuit is
shorted to ground Disconnection of wiring harness and short
Malfunction in front curtain air bag module LH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4963 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-170
< DTC/CIRCUIT DIAGNOSIS >
B1200 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4964 of 5598

INFINITI QX56 2011 Factory Service Manual
B1201 CURTAIN AIR BAG MODULE LHSRC-171
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1201 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220124
DTC DETECTION LOGIC
DTC CONFIRMATION

B1201 CURTAIN AIR BAG MODULE LHSRC-171
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1201 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220124
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-171, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220125
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 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-171, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE FRONT CURTAIN AIR BAG MODULE
1. Replace front curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-171, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1201 CURTAIN MODULE
LH
[SHORT] Front curtain air bag module LH circuits are
shorted to each other Disconnection of wiring harness and short
Malfunction in front curtain air bag module LH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4965 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-172
< DTC/CIRCUIT DIAGNOSIS >
B1201 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4966 of 5598

INFINITI QX56 2011 Factory Service Manual
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
SRC-173
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
DTC

Page 4967 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-174
< DTC/CIRCUIT DIAGNOSIS >
B1209 FRONTAL COLLISION DETECTION
B1209 FRONTAL COLLISION DETECTION
DescriptionINFOID:0000000006220128
The air bags and seat belt pre-tensioners for driver and passe

Page 4968 of 5598

INFINITI QX56 2011 Factory Service Manual
B1210 SIDE COLLISION DETECTIONSRC-175
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1210 SIDE COLLISION DETECTION
DescriptionINFOID:0000000006220131
The side air bag and curtain air bag

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