INFINITI QX56 2011 Factory Service Manual

SRC-78
< DTC/CIRCUIT DIAGNOSIS >
B1068, B1073 PASSENGER AIR BAG MODULE
B1068, B1073 PASSENGER AIR BAG MODULE
DTC LogicINFOID:0000000006220012
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-78, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220013
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-78, "
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-78, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1068
B1073 ASSIST A/B MODULE
[SHORT] Passenger air bag module circuits are
shorted to each other  Disconnection of wiring harness and short
 Malfunction in passenger air bag module
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1068, B1073 PASSENGER AIR BAG MODULESRC-79
< DTC/CIRCUIT DIAGNOSIS >
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NO >> INSPECTION END
Revision: 2010 May2011 QX56

SRC-80
< DTC/CIRCUIT DIAGNOSIS >
B1074, B1075, B1076, B1077, B1078, B1079 DIAGNOSIS SENSOR UNIT
B1074, B1075, B1076, B1077, B1078, B1079 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220014
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-80, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220015
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-80, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1074
B1075
B1076
B1077
B1078
B1079 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

B1080, B1096 DRIVER AIR BAG MODULE
SRC-81
< DTC/CIRCUIT DIAGNOSIS >
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B1080, B1096 DRIVER AIR BAG MODULE
DTC LogicINFOID:0000000006220016
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-81, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220017
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.CHECK SPIRAL CABLE CIRCUIT-I
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 combination switch (spiral cable) terminals.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1080
B1096 DRIVER AIRBAG
MODULE
[SHORT] Driver air bag module circuit are shorted to each
other
(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-82
< DTC/CIRCUIT DIAGNOSIS >
B1080, B1096 DRIVER AIR BAG MODULE
Is the inspection result normal?
YES >> GO TO 4.
NO >> Replace combination switch (spiral cable). Refer to SR-14, "
Removal and Installation".
4.CHECK SPIRAL CABLE CIRCUIT-II
Check continuity between combination switch (spiral cable) terminals.
Is the inspection result normal?
YES >> GO TO 5.
NO >> Replace combination switch (spiral cable). Refer to SR-14, "
Removal and Installation".
5.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-81, "
DTC Logic".
Is DTC detected?
YES >> GO TO 6.
NO >> INSPECTION END
6.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-81, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
Combination switch (spiral cable) Continuity
Connector Terminal Connector Terminal
M301 10 M301 11
Not existed
M300 9
12
Combination switch (spiral cable) Continuity
Connector Terminal Terminal
M32 28 29
Not existed
30
Revision: 2010 May2011 QX56

B1081 SEAT BELT PRE-TENSIONER RHSRC-83
< DTC/CIRCUIT DIAGNOSIS >
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B1081 SEAT BELT PRE-TENSIONER RH
DTC LogicINFOID:0000000006220018
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-83, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220019
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-83, "
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-83, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1081 PRE-TEN FRONT RH
[OPEN] Seat belt pre-tensioner RH circuit is open  Disconnection of wiring harness and open
 Malfunction in seat belt pre-tensioner RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-84
< DTC/CIRCUIT DIAGNOSIS >
B1081 SEAT BELT PRE-TENSIONER RH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1082 SEAT BELT PRE-TENSIONER RHSRC-85
< DTC/CIRCUIT DIAGNOSIS >
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B1082 SEAT BELT PRE-TENSIONER RH
DTC LogicINFOID:0000000006220020
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-85, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220021
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-85, "
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-85, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1082 PRE-TEN FRONT RH
[VB-SHORT] Seat belt pre-tensioner RH circuit is
shorted to power supply circuit  Disconnection of wiring harness and short
 Malfunction in seat belt pre-tensioner RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-86
< DTC/CIRCUIT DIAGNOSIS >
B1082 SEAT BELT PRE-TENSIONER RH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1083 SEAT BELT PRE-TENSIONER RHSRC-87
< DTC/CIRCUIT DIAGNOSIS >
C
DE
F
G
I
J
K L
M A
B
SRC
N
O P
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