2011 INFINITI QX56 Factory Service Manual

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Page 4929 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-136
< DTC/CIRCUIT DIAGNOSIS >
B1148 CURTAIN AIR BAG MODULE RH
B1148 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220078
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-136
< DTC/CIRCUIT DIAGNOSIS >
B1148 CURTAIN AIR BAG MODULE RH
B1148 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220078
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-136, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220079
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative 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-136, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE REAR CURTAIN AIR BAG MODULE
1. Replace rear curtain air bag module RH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-136, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1148 CURTAIN MODULE RH
[SHORT] Rear curtain air bag module RH circuits are
shorted to each other Disconnection of wiring harness and short
Malfunction in rear curtain air bag module RH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4930 of 5598

INFINITI QX56 2011 Factory Service Manual
B1148 CURTAIN AIR BAG MODULE RHSRC-137
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4931 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-138
< DTC/CIRCUIT DIAGNOSIS >
B1150 CURTAIN AIR BAG MODULE LH
B1150 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220080
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-138
< DTC/CIRCUIT DIAGNOSIS >
B1150 CURTAIN AIR BAG MODULE LH
B1150 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220080
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-138, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220081
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative 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-138, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE REAR CURTAIN AIR BAG MODULE
1. Replace rear curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-138, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1150 CURTAIN MODULE LH
[OPEN] Rear curtain air bag module LH circuit is
open Disconnection of wiring harness and open
Malfunction in rear curtain air bag module LH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4932 of 5598

INFINITI QX56 2011 Factory Service Manual
B1150 CURTAIN AIR BAG MODULE LHSRC-139
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4933 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-140
< DTC/CIRCUIT DIAGNOSIS >
B1151 CURTAIN AIR BAG MODULE LH
B1151 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220082
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-140
< DTC/CIRCUIT DIAGNOSIS >
B1151 CURTAIN AIR BAG MODULE LH
B1151 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220082
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-140, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220083
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative 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-140, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE REAR CURTAIN AIR BAG MODULE
1. Replace rear curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-140, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1151 CURTAIN MODULE LH
[VB-SHORT] Rear curtain air bag module LH circuit is
shorted to power supply circuit Disconnection of wiring harness and short
Malfunction in rear curtain air bag module LH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4934 of 5598

INFINITI QX56 2011 Factory Service Manual
B1151 CURTAIN AIR BAG MODULE LHSRC-141
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
NO >> INSPECTION END
Revision: 2010 May2011 QX56

Page 4935 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-142
< DTC/CIRCUIT DIAGNOSIS >
B1152 CURTAIN AIR BAG MODULE LH
B1152 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220084
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-142
< DTC/CIRCUIT DIAGNOSIS >
B1152 CURTAIN AIR BAG MODULE LH
B1152 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220084
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-142, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220085
WARNING:
Before servicing, turn ignition sw itch OFF, disconnect battery negative 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-142, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE REAR CURTAIN AIR BAG MODULE
1. Replace rear curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-142, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1152 CURTAIN MODULE LH
[GND-SHORT] Rear curtain air bag module LH circuit is
shorted to ground Disconnection of wiring harness and short
Malfunction in rear curtain air bag module LH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4936 of 5598

INFINITI QX56 2011 Factory Service Manual
B1152 CURTAIN AIR BAG MODULE LHSRC-143
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
NO >> INSPECTION END
Revision: 2010 May2011 QX56

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