ground INFINITI QX56 2011 Factory Service Manual

SRC-50
< DTC/CIRCUIT DIAGNOSIS >
B1023 PASS A/B INDCTR CKT
B1023 PASS A/B INDCTR CKT
DescriptionINFOID:0000000006219978
Suppresses the deployment of front passenger air bag when the condition of passenger seat is empty or occu-
pied with a child and child-seat. Also illuminates front passenger air bag OFF indicator lamp when the condi-
tion of passenger seat is occupied with a child-seat and ch ild. In case of malfunction the blinking of the air bag
warning lamp reports the malfunction to driver, and by the on board self-diagnosis system or CONSULT-III can
detect the cause.
OPERATION
Illuminates front passenger air bag OFF indicator when t he passenger seat is empty or occupied by a child or
a child-seat.
STRUCTURE
Front passenger air bag OFF indicator with LED illumination.
INSTALLATION
Front passenger air bag OFF indicator is inst alled at the instrument panel center.
DTC LogicINFOID:0000000006219979
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.CHECK SELF-DIAG RESULT
With CONSULT-III
1. Turn ignition switch ON.
2. Perform “AIR BAG” Self Diagnostic Result 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 diagnosis mode if no malfunction is detected in user mode.
Is malfunctioning part detected?
YES >> Refer to SRC-50, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006219980
WARNING:
 Before servicing, turn ignition sw itch OFF, disconnect battery negative terminal and wait at least 3
minutes. (To discharge backup capacitor.)
 Never use unspecified tester or other measuring device.
DIAGNOSTIC PROCEDURE
1.CHECK HARNESS CONNECTOR
Check the connection of harness connector.
Is the inspection result normal?
YES >> GO TO 2.
NO >> Replace harness connectors.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
B1023 PASS A/B INDCTR CKT [UNIT FAIL] Passenger air bag OFF indicator circuit
is open or shorted to ground or the cir-
cuits are shorted each other  Disconnection of wiring harness
 Malfunction in front passenger air
bag OFF indicator
 Malfunction in air bag diagnosis sen- sor unit
Revision: 2010 May2011 QX56

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.
NO >> Replace combination switch (spiral cable). Refer to SR-14, "
Removal and Installation".
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-63, "
DTC Logic".
Is DTC detected?
YES >> GO TO 5.
NO >> INSPECTION END
5.REPLACE DRIVER AIR BAG MODULE
1. Replace driver air bag module. Refer to SR-11, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-63, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
Driver air bag module Combination switch (spiral cable) Continuity
Connector Terminal Connector Terminal
M301 10
M32 28
Existed
11 3 0
M300 12 29
930
Driver side air bag module GroundContinuity
Connector Terminal
M301 10
Not existed
11
M300 12
9
Revision: 2010 May2011 QX56

B1051, B1056 DRIVER AIR BAG MODULE
SRC-67
< DTC/CIRCUIT DIAGNOSIS >
C
D E
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M A
B
SRC
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O P
B1051, B1056 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006220000
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-67, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220001
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.CHECK SPIRAL CABLE CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect driver air bag module harness connector and combination switch (spiral cable) harness con- nector.
3. Check continuity between driver air bag module har ness connector and combination switch (spiral cable)
harness connector.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1051
B1056 DRIVER AIRBAG
MODULE
[GND-SHORT] Driver air bag module circuit is shorted to ground
(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

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.
NO >> Replace combination switch (spiral cable). Refer to SR-14, "
Removal and Installation".
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-67, "
DTC Logic".
Is DTC detected?
YES >> GO TO 5.
NO >> INSPECTION END
5.REPLACE DRIVER AIR BAG MODULE
1. Replace driver air bag module. Refer to SR-11, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-67, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
Driver air bag module Combination switch (spiral cable) Continuity
Connector Terminal Connector Terminal
M301 10
M32 28
Existed
11 3 0
M300 12 29
930
Driver side air bag module GroundContinuity
Connector Terminal
M301 10
Not existed
11
M300 12
9
Revision: 2010 May2011 QX56

SRC-76
< DTC/CIRCUIT DIAGNOSIS >
B1067, B1072 PASSENGER AIR BAG MODULE
B1067, B1072 PASSENGER AIR BAG MODULE
DTC LogicINFOID:0000000006220010
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-76, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220011
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-76, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE PASSENGER AIR BAG MODULE
1. Replace passenger air bag module. Refer to SR-17, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-76, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1067
B1072 ASSIST A/B MODULE
[GND-SHORT] Passenger air bag module circuit is
shorted to ground  Disconnection of wiring harness and short
 Malfunction in passenger air bag module
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1083 SEAT BELT PRE-TENSIONER RHSRC-87
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
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SRC
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B1083 SEAT BELT PRE-TENSIONER RH
DTC LogicINFOID:0000000006220022
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-87, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220023
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 SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner RH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-87, "
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-87, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1083 PRE-TEN FRONT RH
[GND-SHORT] Seat belt pre-tensioner RH circuit is
shorted to ground  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1088 SEAT BELT PRE-TENSIONER LH
SRC-95
< DTC/CIRCUIT DIAGNOSIS >
C
D E
F
G
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K L
M A
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SRC
N
O P
B1088 SEAT BELT PRE-TENSIONER LH
DTC LogicINFOID:0000000006220030
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-95, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220031
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 SEAT BELT PRE-TENSIONER
1. Replace seat belt pre-tensioner LH. Refer to SR-28, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-95, "
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-95, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1088 PRE-TEN FRONT LH
[GND-SHORT] Seat belt pre-tensioner LH circuit is
shorted to ground  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-116
< DTC/CIRCUIT DIAGNOSIS >
B1131 SIDE AIR BAG MODULE RH
B1131 SIDE AIR BAG MODULE RH
DTC LogicINFOID:0000000006220056
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-116, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220057
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-116, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE SIDE AIR BAG MODULE
1. Replace side air bag module RH. Refer to SE-114, "
SEATBACK : Disassembly and Assembly".
2. Perform DTC confirmation procedure. Refer to SRC-116, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1131 SIDE MODULE RH
[GND-SHORT] Side air bag module RH circuit is shorted
to ground  Disconnection of wiring harness and short
 Malfunction in side air bag module RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-124
< DTC/CIRCUIT DIAGNOSIS >
B1136 SIDE AIR BAG MODULE LH
B1136 SIDE AIR BAG MODULE LH
DTC LogicINFOID:0000000006220064
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-124, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220065
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-124, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE SIDE AIR BAG MODULE
1. Replace side air bag module LH. Refer to SE-114, "
SEATBACK : Disassembly and Assembly".
2. Perform DTC confirmation procedure. Refer to SRC-124, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1136 SIDE MODULE LH
[GND-SHORT] Side air bag module LH circuit is shorted to
ground  Disconnection of wiring harness and short
 Malfunction in side air bag module LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

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