sensor INFINITI QX56 2009 Factory Service Manual

B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
SRC-69
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2.HARNESS CONNECTOR
Is there any visible damage to the OCS sub-harness connec tor (DTC B1022) or to the belt tension sensor con-
nector (DTC B1019)?
YES or NO
YES >> Replace the harness.
NO >> GO TO 3
3.WIRING HARNESS
Is there any visible damage to the body or seat sub harness?
YES or NO
YES >> Replace the harness.
NO >> GO TO 4
4.CHECK CURRENT DTC
Does CONSULT-III indicate B1022?
YES or NO
YES >> GO TO 5
NO >> GO TO 6
5.OCS CONTROL UNIT HARNESS CONNECTOR
Is the OCS control unit or body harness connector disconnected?
YES or NO
YES >> Connect the harness. Clear the DTC.
NO >> GO TO 13
6.CHECK CURRENT DTC
Does CONSULT-III indicate B1018?
YES or NO
YES >> GO TO 7
NO >> GO TO 8
7.OCS SENSOR HARNESS CONNECTOR
Is the OCS sensor harness connector disconnected?
YES or NO
YES >> Connect the harness. Clear the DTC.
NO >> GO TO 8
8.CHECK CURRENT DTC
Does CONSULT-III indicate B1020?
YES or NO
YES >> GO TO 9
NO >> GO TO 10
9.BELT TENSION SENSOR
Inspect the belt tension sensor, belt tension sensor connector and harness.
Are the inspection results normal?
YES >> GO TO 10
NO >> GO TO 12
10.CHECK CURRENT DTC
Does CONSULT-III indicate B1019?
YES or NO
YES >> GO TO 11
NO >> GO TO 12
11 .BELT TENSION SENSOR HARNESS CONNECTOR
Revision: December 20092009 QX56

SRC-70
< COMPONENT DIAGNOSIS >
B1017 – B1022 OCCUPANT CLASSIFICATION SYSTEM
Is the belt tension sensor harness connector disconnected?
YES or NO
YES >> Connect the harness. Clear the DTC.
NO >> GO TO 12
12.REPLACE RH FRONT SEAT BELT ASSEMBLY
Replace the RH front seat belt assembly.
>> GO TO 13
13.REPLACE RH FRONT SEAT CUSHION ASSEMBLY
Replace the RH front seat cushion assembly. Refer to SE-50, "
Removal and Installation".
>> GO TO 14
14.AIR BAG DIAGNOSIS SENSOR UNIT
Replace the air bag diagnosis sensor unit. Refer to SR-17, "
Removal and Installation".
>> END.
Revision: December 20092009 QX56

B1209 – B1211 COLLISION DETECTIONSRC-71
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B1209 – B1211 COLLISION DETECTION
DescriptionINFOID:0000000003775243
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:0000000004221440
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-71, "Diagnosis Procedure (Component Diagnosis)".
NO >> Inspection End.
Diagnosis Procedure (C omponent Diagnosis)INFOID:0000000003775245
Refer to SR-20, "For Frontal Collision" or SR-22, "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-22, "
For Side and Rollover Collision".
ROLLOVER DETEC- TION B1211Curtain air bag module and seat belt pre-
tensioner are deployed.
Revision: December 20092009 QX56

SRC-72
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ECU DIAGNOSIS
DIAGNOSIS SENSOR UNIT
Wiring DiagramINFOID:0000000003775246
ABHWA0004GB
Revision: December 20092009 QX56

DIAGNOSIS SENSOR UNITSRC-73
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ABHWA0005GB
Revision: December 20092009 QX56

SRC-74
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ABHIA0010GB
Revision: December 20092009 QX56

DIAGNOSIS SENSOR UNITSRC-75
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ABHIA0011GB
Revision: December 20092009 QX56

SRC-76
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ABHIA0012GB
Revision: December 20092009 QX56

DIAGNOSIS SENSOR UNITSRC-77
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ABHIA0013GB
Revision: December 20092009 QX56

SRC-78
< ECU DIAGNOSIS >
DIAGNOSIS SENSOR UNIT
ABHIA0014GB
Revision: December 20092009 QX56