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 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

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

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

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

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

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

SRC-144
< DTC/CIRCUIT DIAGNOSIS >
B1153 CURTAIN AIR BAG MODULE LH
B1153 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220086
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-144, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220087
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-144, "
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-144, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1153 CURTAIN MODULE
LH
[SHORT] Rear curtain air bag module LH circuits are
shorted to each other  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

B1153 CURTAIN AIR BAG MODULE LHSRC-145
< 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

SRC-146
< DTC/CIRCUIT DIAGNOSIS >
B1154, B1155, B1156, B1157, B1158, B1159 DIAGNOSIS SENSOR UNIT
B1154, B1155, B1156, B1157, B1158, B1159 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220088
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-146, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220089
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 connectors.
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-146, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1154
B1155
B1156
B1157
B1158
B1159 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1170, B1171, B1172, B1173, B1174, B1175 DIAGNOSIS SENSOR UNIT
SRC-147
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
I
J
K L
M A
B
SRC
N
O P
B1170, B1171, B1172, B1173, B1174, B1175 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220090
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-147, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220091
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 connectors.
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-147, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1170
B1171
B1172
B1173
B1174
B1175 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56