2011 INFINITI QX56 Factory Service Manual

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Page 4921 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-128
< DTC/CIRCUIT DIAGNOSIS >
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
B1138, B1139, B1140, B1141, B1142, B1143 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220068
DTC D

Page 4922 of 5598

INFINITI QX56 2011 Factory Service Manual
B1144 DIAGNOSIS SENSOR UNITSRC-129
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
B1144 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220070
DTC DETECTION LOGIC
DTC CONFIRMATION PROCED

Page 4923 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-130
< DTC/CIRCUIT DIAGNOSIS >
B1145 CURTAIN AIR BAG MODULE RH
B1145 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220072
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-130
< DTC/CIRCUIT DIAGNOSIS >
B1145 CURTAIN AIR BAG MODULE RH
B1145 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220072
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-130, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220073
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-130, "
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-130, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1145 CURTAIN MODULE RH
[OPEN] Rear curtain air bag module RH circuit is
open Disconnection of wiring harness and open
Malfunction in rear curtain air bag module RH
Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

Page 4924 of 5598

INFINITI QX56 2011 Factory Service Manual
B1145 CURTAIN AIR BAG MODULE RHSRC-131
< 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 4925 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-132
< DTC/CIRCUIT DIAGNOSIS >
B1146 CURTAIN AIR BAG MODULE RH
B1146 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220074
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-132
< DTC/CIRCUIT DIAGNOSIS >
B1146 CURTAIN AIR BAG MODULE RH
B1146 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220074
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-132, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220075
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-132, "
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-132, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1146 CURTAIN MODULE RH
[VB-SHORT] Rear curtain air bag module RH circuit is
shorted to power supply circuit 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 4926 of 5598

INFINITI QX56 2011 Factory Service Manual
B1146 CURTAIN AIR BAG MODULE RHSRC-133
< 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 4927 of 5598

INFINITI QX56 2011 Factory Service Manual
SRC-134
< DTC/CIRCUIT DIAGNOSIS >
B1147 CURTAIN AIR BAG MODULE RH
B1147 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220076
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RES

SRC-134
< DTC/CIRCUIT DIAGNOSIS >
B1147 CURTAIN AIR BAG MODULE RH
B1147 CURTAIN AIR BAG MODULE RH
DTC LogicINFOID:0000000006220076
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-134, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220077
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-134, "
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-134, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1147 CURTAIN MODULE
RH
[GND-SHORT] Rear curtain air bag module RH circuit is
shorted to ground 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 4928 of 5598

INFINITI QX56 2011 Factory Service Manual
B1147 CURTAIN AIR BAG MODULE RHSRC-135
< 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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