INFINITI QX56 2011 Factory Service Manual

SRC-168
< DTC/CIRCUIT DIAGNOSIS >
B1199 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1200 CURTAIN AIR BAG MODULE LHSRC-169
< DTC/CIRCUIT DIAGNOSIS >
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B1200 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220122
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-169, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220123
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 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-169, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE FRONT CURTAIN AIR BAG MODULE
1. Replace front curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-169, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1200 CURTAIN MODULE LH
[GND-SHORT] Front curtain air bag module LH circuit is
shorted to ground  Disconnection of wiring harness and short
 Malfunction in front curtain air bag module LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-170
< DTC/CIRCUIT DIAGNOSIS >
B1200 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1201 CURTAIN AIR BAG MODULE LHSRC-171
< DTC/CIRCUIT DIAGNOSIS >
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B1201 CURTAIN AIR BAG MODULE LH
DTC LogicINFOID:0000000006220124
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-171, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220125
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 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-171, "
DTC Logic".
Is DTC detected?
YES >> GO TO 4.
NO >> INSPECTION END
4.REPLACE FRONT CURTAIN AIR BAG MODULE
1. Replace front curtain air bag module LH. Refer to SR-19, "
Removal and Installation"
2. Perform DTC confirmation procedure. Refer to SRC-171, "DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1201 CURTAIN MODULE
LH
[SHORT] Front curtain air bag module LH circuits are
shorted to each other  Disconnection of wiring harness and short
 Malfunction in front curtain air bag module LH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-172
< DTC/CIRCUIT DIAGNOSIS >
B1201 CURTAIN AIR BAG MODULE LH
NO >> INSPECTION END
Revision: 2010 May2011 QX56

B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
SRC-173
< DTC/CIRCUIT DIAGNOSIS >
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B1202, B1203, B1204, B1205, B1206, B1207 DIAGNOSIS SENSOR UNIT
DTC LogicINFOID:0000000006220126
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-173, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220127
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-173, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
NO >> INSPECTION END
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1202
B1203
B1204
B1205
B1206
B1207 CONTROL UNIT Air bag diagnosis sensor unit is malfunctioning Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56

SRC-174
< DTC/CIRCUIT DIAGNOSIS >
B1209 FRONTAL COLLISION DETECTION
B1209 FRONTAL COLLISION DETECTION
DescriptionINFOID:0000000006220128
The air bags and seat belt pre-tensioners for driver and passenger are activated by the air bag diagnosis sen-
sor unit signal transmitted at the time of the frontal collision.
DTC LogicINFOID:0000000006220129
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-174, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220130
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.PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis.Refer to SR-5, "
FOR FRONTAL COLLISION : When SRS is activated in a colli-
sion" or SR-6, "FOR FRONTAL COLLISION : When SRS is not activated in a collision".
Is collision diagnosis complete?
YES >> GO TO 2.
NO >> INSPECTION END
2.FINAL INSPECTION
Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Perform diagnosis of applicable DTC.Refer to SRC-22, "
DTCIndex".
DTCDisplay contents of
CONSULT-III DTC detecting condition Possible cause
B1209 FRONTAL COLLI-
SION DETECTION Seat belt pre-tensioner, driver side air bag and passen-
ger air bag are deployed
—
Revision: 2010 May2011 QX56

B1210 SIDE COLLISION DETECTIONSRC-175
< DTC/CIRCUIT DIAGNOSIS >
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B1210 SIDE COLLISION DETECTION
DescriptionINFOID:0000000006220131
The side air bag and curtain air bag are activated by the air bag diagnosis sensor unit signal transmitted at the
time of side collision.
DTC LogicINFOID:0000000006220132
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-175, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220133
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.PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis.Refer to SR-7, "
FOR SIDE AND ROLLOVER COLLISION : When SRS is activated
in a collision" or SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a collision".
Iscollision diagnosis complete?
YES >> GO TO 2.
NO >> INSPECTION END
2.FINAL INSPECTION
Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Peform diagnosis of applicable DTC.Refer to SRC-22, "
DTCIndex".
DTCDisplay contents of
CONSULT-III DTC detecting condition Possible cause
B1210 SIDE COLLISION
DETECTION Side air bag and curtain air bag are deployed —
Revision: 2010 May2011 QX56

SRC-176
< DTC/CIRCUIT DIAGNOSIS >
B1211 ROLLOVER DETECTION
B1211 ROLLOVER DETECTION
DescriptionINFOID:0000000006220134
The seat belt pre-tensioner, door-mounted curtain air bag and pop-up roll bar are activated by the air bag diag-
nosis sensor unit signal at the time of rollover.
DTC LogicINFOID:0000000006220135
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.
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-176, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220136
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.PERFORM COLLISION DIAGNOSIS
Perform collision diagnosis.Refer to SR-7, "
FOR SIDE AND ROLLOVER COLLISI ON : When SRS is activated
in a collision" or SR-8, "FOR SIDE AND ROLLOVER COLLISION : When SRS is not activated in a collision".
Iscollision diagnosis complete?
YES >> GO TO 2.
NO >> INSPECTION END
2.FINAL INSPECTION
Perform “AIR BAG” Self Diagnostic Result.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Peform diagnosis of applicable DTC.Refer to SRC-22, "
DTCIndex".
DTCDisplay contents of
CONSULT-III DTC detecting condition Possible cause
B1211 ROLLOVER DETECTION Seat belt pre-tensioner and curtain air bag module are
deployed because of rollover detection —
Revision: 2010 May2011 QX56

B1212, B1213, B1214 SATELLITE SENSOR RH
SRC-177
< DTC/CIRCUIT DIAGNOSIS >
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B1212, B1213, B1214 SATELLITE SENSOR RH
DTC LogicINFOID:0000000006220137
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-177, "Diagnosis Procedure".
NO >> INSPECTION END
Diagnosis ProcedureINFOID:0000000006220138
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 FRONT SATELLITE SENSOR
1. Replace front satellite sensor RH. Refer to SR-24, "
Removal and Installation".
2. Perform DTC confirmation procedure. Refer to SRC-177, "
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-177, "
DTC Logic".
Is DTC detected?
YES >> GO TO 1.
DTC Display contents of
CONSULT-III DTC detecting condition Possible cause
B1212
B1213
B1214 RH1 SAT-SENS Front satellite sensor RH is malfunctioning  Disconnection of wiring harness
 Malfunction in front satellite sensor RH
 Malfunction in air bag diagnosis sensor unit
Revision: 2010 May2011 QX56