INFINITI QX56 2010 Factory Service Manual

B1023 PASSENGER AIR BAG OFF INDICATORSRC-65
< COMPONENT DIAGNOSIS >
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>> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-84, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147839
Recheck SRS after each replacement.
1.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 2
2.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.FRONT PASSENGER AIR BAG OFF INDICATOR
Replace the front passenger air bag off indicator. Refer to IP-15, "
Removal and Installation".
>> GO TO 4
4.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> GO TO 5
5.RELATED HARNESS
Replace the related harness.
Revision: April 20092010 QX56

SRC-66
< COMPONENT DIAGNOSIS >
B1023 PASSENGER AIR BAG OFF INDICATOR
>>END
Revision: April 20092010 QX56

B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-67
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B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
DescriptionINFOID:0000000005147840
DTC B1017 – B1022 OCCUPANT CL ASSIFICATION SYSTEM (OCS)
The OCS control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will mon-
itor the OCS for failures and interuptions in communication between the OCS control unit and the air bag
diagnosis sensor unit.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147841
DTC DETECTION LOGIC
With CONSULT-lll
Without CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
CONSULT-III name DTC DTC detecting condition Repair order
OCCUPANT SENS C/U [UNIT FAIL] B1017 The OCS control unit is malfunctioning. 1. Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
B1020
B1021
OCCUPANT SENS [UNIT FAIL] B1018The OCS sensor is malfunctioning.
BELT TENSION SENS [UNIT FAIL] B1019The belt tension sensor is malfunctioning. 1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the RH front seat belt assembly.
4. Replace the RH front seat cushion assembly. Do not disassemble the seat cushion assem-
bly.
5. Replace the related harness.
OCCUPANT SENS C/U [COMM FAIL] B1022Communication between the OCS control
unit and the air bag diagnosis sensor unit is
interrupted.
1. Visually check the wiring harness connection.
2. Replace the harness if it has visible damage.
3. Replace the RH front seat cushion assembly.
Do not disassemble the seat cushion assem-
bly.
4. Replace the air bag diagnosis sensor unit.
5. Replace the related harness.
WHIA0211E
Revision: April 20092010 QX56

SRC-68
< COMPONENT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-68, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
DTC CONFIRMATION PROCEDURE (Without CONSULT-lll)
NOTE:
SRS will not enter diagnosis mode if no malfunction is detected in user mode.
1.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 2
2.IGNITION SWITCH
After air bag warning lamp lights for 7 seconds, turn ignition switch OFF within 1 second.
>> GO TO 3
3.WAIT TIME
Wait more than 3 seconds.
>> GO TO 4
4.REPEAT STEPS
Repeat steps 1 to 3 twice.
>> GO TO 5
5.IGNITION SWITCH
Turn ignition switch ON.
>> GO TO 6
6.DIAGNOSTIC MODE
SRS system is now in diagnostic mode and AIR BAG warning lamp flashes. Refer to SRC-84, "
Trouble Diag-
nosis without CONSULT-III".
>> END
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147842
Recheck SRS after each replacement.
1.DTC
Does CONSULT-III indicate B1019 or B1022?
YES or NO
YES >> GO TO 2
NO >> GO TO 6
2.HARNESS CONNECTOR
Is there any visible damage to the connector?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
Revision: April 20092010 QX56

B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-69
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3.WIRING HARNESS
Is there any visible damage to the harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 4
4.DTC
Does CONSULT-III indicate B1022?
YES or NO
YES >> GO TO 6
NO >> GO TO 5
5.REPLACE RH FRONT SEAT BELT ASSEMBLY
Replace the RH front seat belt assembly.
>> GO TO 6
6.REPLACE RH FRONT SEAT CUSHION ASSEMBLY
Replace the RH front seat cushion assembly. Refer to SR-19, "
Removal and Installation".
>> GO TO 7
7.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> END.
Revision: April 20092010 QX56

SRC-70
< COMPONENT DIAGNOSIS >
B1209 – B1211 COLLISION DETECTION
B1209 – B1211 COLLISION DETECTION
DescriptionINFOID:0000000005147843
DTC B1209 - B1211 COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a collision or rollover which has resulted in
a deployment of one or more air bags or pre-tensioners. If this DTC is detected after a SRS repair, the air bag
diagnosis sensor unit has not yet been replaced. This DTC can not be erased.
PA R T L O C AT I O N
Refer to SRC-7, "SRS Component Parts Location".
DTC LogicINFOID:0000000005147844
DTC DETECTION LOGIC
With CONSULT-lll
DTC CONFIRMATION PROCEDURE (With CONSULT-lll)
1.INSPECTION START
Turn ignition switch ON.
>> GO TO 2.
2.CHECK SELF-DIAG RESULT
Check for the DTC on CONSULT-lll.
Is the DTC detected?
YES >> Refer to SRC-70, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000005147845
Refer to SR-20, "For Frontal Collision" or SR-21, "For Side and Rollover Collision".
CONSULT-III name DTC DTC detecting condition Repair order
FRONTAL COLLISION DETECTION B1209Driver and/or front passenger air bag mod-
ules are deployed. Refer to SR-20, "
For Frontal Collision".
SIDE COLLISION DE- TECTION B1210
Side and/or curtain air bag modules are
deployed. Refer to SR-21, "
For Side and Rollover Collision".
ROLLOVER DETEC- TION B1211Curtain air bag module and seat belt pre-
tensioner are deployed.
Revision: April 20092010 QX56

DIAGNOSIS SENSOR UNITSRC-71
< ECU DIAGNOSIS >
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ECU DIAGNOSIS
DIAGNOSIS SENSOR UNIT
Wiring DiagramINFOID:0000000005147846
ABHWA0067GB
Revision: April 20092010 QX56

SRC-72
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ABHWA0068GB
Revision: April 20092010 QX56

DIAGNOSIS SENSOR UNITSRC-73
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ABHIA0185GB
Revision: April 20092010 QX56

SRC-74
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ABHIA0176GB
Revision: April 20092010 QX56