2004 INFINITI QX56 Factory Service Manual

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Page 3057 of 3371

INFINITI QX56 2004 Factory Service Manual SE-108
REAR SEAT
Revision: August 20072004 QX56
7. LH headrest guide free 8. Seatback board 9. Seat bracket cover
10. Armrest pivot bracket cover 11. Seatback frame 12. Seat cushion frame
13. Latch as

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INFINITI QX56 2004 Factory Service Manual REAR SEAT
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Revision: August 20072004 QX56
Second row LH
WIIA0777E
1. Seat back panel 2. RH headrest guide 3. LH headrest guide
4. Rear seat bezel 5. Seatback pad 6. Sea

Page 3059 of 3371

INFINITI QX56 2004 Factory Service Manual SE-110
REAR SEAT
Revision: August 20072004 QX56
7. Headrest 8. Seat latch and recliner release 9. Reclining device outer cover
10. Reclining device lever 11. Reclining device outer mid cover 12. Outer

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INFINITI QX56 2004 Factory Service Manual REAR SEAT
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Revision: August 20072004 QX56
Third row
WIIA0412E
1. Headrests 2. Release handle and cable 3. Tether anchor plate
4. Headrest locking guide 5. Headrest guid

Page 3061 of 3371

INFINITI QX56 2004 Factory Service Manual SE-112
REAR SEAT
Revision: August 20072004 QX56
7. Seatback frame 8. Seatback latch 9. Slide link cover
10. Extension spring 11. Seat cushion frame 12. Flex mat
13. Floor bracket cover LH 14. Front li

Page 3062 of 3371

INFINITI QX56 2004 Factory Service Manual SRS-1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
H RESTRAINTS
CONTENTS
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SECTION SRS
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SRS
Revision: August 20072004 QX56 PRECAUTIONS ....................................................

SRS-1
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
H RESTRAINTS
CONTENTS
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SECTION SRS
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SRS
Revision: August 20072004 QX56 PRECAUTIONS .......................................................... 3
Precautions for Supplemental Restraint System
(SRS) “AIR BAG” and “SEAT BELT PRE-TEN-
SIONER” .................................................................. 3
Precautions for SRS “AIR BAG” and “SEAT BELT
PRE-TENSIONER” Service ..................................... 3
Occupant Classification System Precaution ............ 3
Trouble Diagnosis Precaution .................................. 3
PREPARATION ........................................................... 4
Special Service Tools ............................................... 4
Commercial Service Tools ........................................ 4
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ....... 5
SRS Configuration ................................................... 5
Front Seat Belt Pre-tensioner with Load Limiter ...... 6
Front Side Air Bag .................................................... 6
Side Curtain Air Bag ................................................. 6
Occupant Classification System ............................... 6
Direct-connect SRS Component Connectors ........... 7
TROUBLE DIAGNOSIS .............................................. 8
Trouble Diagnosis Introduction ................................. 8
DIAGNOSIS FUNCTION ....................................... 8
HOW TO PERFORM TROUBLE DIAGNOSES
FOR QUICK AND ACCURATE REPAIR ............... 8
WORK FLOW ........................................................ 9
SRS Components Parts Location ........................... 10
Schematic ...............................................................11
Wiring Diagram — SRS — ..................................... 12
CONSULT-II Function (AIR BAG) ........................... 18
CONSULT-II Function ............................................ 18
HOW TO CHANGE SELF-DIAGNOSIS MODE
WITH CONSULT-II .............................................. 18
HOW TO ERASE SELF-DIAGNOSIS RESULTS ... 19
Self-Diagnosis Function (Without CONSULT-II) ..... 19
HOW TO CHANGE SELF-DIAGNOSIS MODE ... 19
HOW TO ERASE SELF-DIAGNOSIS RESULTS ... 20
SRS Operation Check ............................................ 20
DIAGNOSTIC PROCEDURE 1 ........................... 20
Trouble Diagnosis With CONSULT-II ..................... 22
DIAGNOSTIC PROCEDURE 2 ........................... 22
DIAGNOSTIC PROCEDURE 3 ........................... 28DIAGNOSTIC PROCEDURE 4 (CONTINUED
FROM DIAGNOSTIC PROCEDURE 2) .............. 30
DIAGNOSTIC PROCEDURE 5 ........................... 30
Trouble Diagnosis Without CONSULT-II ................. 37
DIAGNOSTIC PROCEDURE 6 ........................... 37
WARNING LAMP FLASH CODE CHART ........... 38
Trouble Diagnosis: “AIR BAG” Warning Lamp Does
Not Turn Off ............................................................ 43
DIAGNOSTIC PROCEDURE 6 ........................... 43
Trouble Diagnosis: “AIR BAG” Warning Lamp Does
Not Turn On ............................................................ 44
DIAGNOSTIC PROCEDURE 7 ........................... 44
DRIVER AIR BAG MODULE .................................... 45
Removal and Installation ........................................ 45
REMOVAL ........................................................... 45
INSTALLATION ................................................... 46
SPIRAL CABLE ........................................................ 47
Removal and Installation ........................................ 47
REMOVAL ........................................................... 47
INSTALLATION ................................................... 48
FRONT PASSENGER AIR BAG MODULE .............. 50
Removal and Installation ........................................ 50
REMOVAL ........................................................... 50
INSTALLATION ................................................... 50
WIRING HARNESS MODIFICATION .................. 51
SIDE CURTAIN AIR BAG MODULE ........................ 53
Removal and Installation ........................................ 53
REMOVAL ........................................................... 53
INSTALLATION ................................................... 53
CRASH ZONE SENSOR ........................................... 55
Removal and Installation ........................................ 55
REMOVAL ........................................................... 55
INSTALLATION ................................................... 55
SIDE AIR BAG (SATELLITE) SENSOR ................... 56
Removal and Installation ........................................ 56
REMOVAL ........................................................... 56
INSTALLATION ................................................... 56
FRONT SEAT BELT PRE-TENSIONER ................... 57
Removal and Installation ........................................ 57

Page 3063 of 3371

INFINITI QX56 2004 Factory Service Manual SRS-2Revision: August 20072004 QX56 DIAGNOSIS SENSOR UNIT ..................................... 58
Removal and Installation ........................................ 58
REMOVAL ......................

Page 3064 of 3371

INFINITI QX56 2004 Factory Service Manual PRECAUTIONS
SRS-3
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SRS
Revision: August 20072004 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EH

PRECAUTIONS
SRS-3
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Revision: August 20072004 QX56
PRECAUTIONSPFP:00001
Precautions for Supplemental Restraint System (SRS) “AIR BAG” and “SEAT
BELT PRE-TENSIONER”
EHS000VY
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRS and SB section of this Service Man-
ual.
WA RN ING:
To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death
in the event of a collision which would result in air bag inflation, all maintenance must be per-
formed by an authorized NISSAN/INFINITI dealer.
Improper maintenance, including incorrect removal and installation of the SRS, can lead to per-
sonal injury caused by unintentional activation of the system. For removal of Spiral Cable and Air
Bag Module, see the SRS section.
Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this
Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or
harness connectors.
Precautions for SRS “AIR BAG” and “SEAT BELT PRE-TENSIONER” ServiceEHS000VZ
Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.
Before servicing the SRS, turn ignition switch OFF, disconnect both battery cables and wait at least 3 min-
utes.
For approximately 3 minutes after the cables are removed, it is still possible for the air bag and seat belt
pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes
have passed.
The air bag diagnosis sensor unit must always be installed with the arrow mark “⇐” pointing toward the
front of the vehicle for proper operation. Also check air bag diagnosis sensor unit for cracks, deformities or
rust before installation and replace as required.
The spiral cable must be aligned with the neutral position since its rotations are limited. Do not attempt to
turn steering wheel or column after removal of steering gear.
Handle air bag module carefully. Always place driver and front passenger air bag modules with the pad
side facing upward and seat mounted front side air bag module standing with the stud bolt side facing
down.
Conduct self-diagnosis to check entire SRS for proper function after replacing any components.
After air bag inflates, the front instrument panel assembly should be replaced if damaged.
Occupant Classification System PrecautionEHS000W0
Replace control unit and passenger front seat cushion as an assembly.
Trouble Diagnosis PrecautionEHS000W1
When you read wiring diagrams, refer to the following:
GI-15, "How to Read Wiring Diagrams" in GI section
PG-4, "POWER SUPPLY ROUTING CIRCUIT" in PG section
When you perform trouble diagnosis, refer to the following:
GI-11, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section
GI-27, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section
Check for any service bulletins before servicing the vehicle.

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