2009 INFINITI QX56 Factory Service Manual

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INFINITI QX56 2009 Factory Service Manual SRS AIR BAG SYSTEMSRC-7
< FUNCTION DIAGNOSIS >
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SRS Component Parts LocationINFOID:0000000003775172
Driver Air Bag ModuleINFOID:0000000003775173
The driver air bag modu

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INFINITI QX56 2009 Factory Service Manual SRC-8
< FUNCTION DIAGNOSIS >
SRS AIR BAG SYSTEM
Front Passenger Air Bag Module
INFOID:0000000003775174
The front passenger air bag module is located behind the instrument
panel assembly. It operates

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INFINITI QX56 2009 Factory Service Manual SRS AIR BAG SYSTEMSRC-9
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Direct-connect SRS Co mponent ConnectorsINFOID:0000000003775178
The following SRS components use dire ct-connect style h

Page 3508 of 4171

INFINITI QX56 2009 Factory Service Manual SRC-10
< FUNCTION DIAGNOSIS >
OCCUPANT CLASSIFICATION SYSTEM
OCCUPANT CLASSIFICATION SYSTEM
System DiagramINFOID:0000000003775179
Occupant Classification System (OCS)INFOID:0000000003775180
The occupa

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INFINITI QX56 2009 Factory Service Manual OCCUPANT CLASSIFICATION SYSTEMSRC-11
< FUNCTION DIAGNOSIS >
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Passenger does not meet Occupant Classification System specifications for passenger air bag activation.
WHI

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INFINITI QX56 2009 Factory Service Manual SRC-12
< FUNCTION DIAGNOSIS >
PASSENGER SEAT BELT WARNING SYSTEM
PASSENGER SEAT BELT WARNING SYSTEM
System DiagramINFOID:0000000003775181
System DescriptionINFOID:0000000003775182
The passenger seat b

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INFINITI QX56 2009 Factory Service Manual ON BOARD DIAGNOSTIC (OBD) SYSTEMSRC-13
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Trouble Diagnosis IntroductionINFOID:0000000003775184
CAUTION:
• Do no

ON BOARD DIAGNOSTIC (OBD) SYSTEMSRC-13
< FUNCTION DIAGNOSIS >
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ON BOARD DIAGNOSTIC (OBD) SYSTEM
Trouble Diagnosis IntroductionINFOID:0000000003775184
CAUTION:
• Do not use electrical test equipment on any circui t related to the SRS unless instructed to do so in
this Service Manual. SRS wiring harnesses can be id entified by yellow and/or orange harness con-
nectors.
• Do not attempt to repair, splice or modify SRS wiring harnesses. If a harness is damaged, replace it
with a new one.
• Keep ground connections clean.
DIAGNOSIS FUNCTION
The SRS self-diagnosis results can be read by usi ng “AIR BAG” warning lamp and/or CONSULT-III.
The User mode is exclusively prepared for the customer (driver). This mode warns the driver of a system mal-
function through the operation of the “AIR BAG” warning lamp.
The Diagnosis mode allows the technician to locate and inspect the malfunctioning part.
The mode applications for the “AIR BAG” warning lamp and CONSULT-III are as follows:
HOW TO PERFORM TROUBLE DIAGNOSES FOR QUICK AND ACCURATE REPAIR
A good understanding of the malfunction conditions can make troubleshooting faster and more accurate.
In general, each customer feels differently about a malf unction. It is important to fully understand the symp-
toms or conditions for a customer complaint.
Information From Customer
WHAT - Vehicle model
WHEN - Date, Frequencies
WHERE - Road conditions
HOW - Operating conditions, Symptoms
Preliminary Check
Check that the following parts are in good order.
•Battery
•Fuse
• System component-to-harness connections
SRS Operation CheckINFOID:0000000003775185
DIAGNOSTIC PROCEDURE 1
Checking SRS Operation Using “AIR BAG” Warning Lamp—User Mode
1. Turn the ignition switch from OFF to ON, and check that the air bag warning lamp blinks.
2. Compare the SRS air bag warning lamp blinking pattern with the examples.
User mode Diagnosis mode Display type
“AIR BAG” warning lamp XXON-OFF operation
CONSULT-III —XMonitoring
BF-1845D
Revision: December 20092009 QX56

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INFINITI QX56 2009 Factory Service Manual SRC-14
< FUNCTION DIAGNOSIS >
ON BOARD DIAGNOSTIC (OBD) SYSTEM
SRS Air bag warning lamp examples
DIAGNOSTIC PROCEDURE 2
1. Connect CONSULT-III.
2. Diagnostic code is displayed on "SELF-DIAG [CURRENT]"

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