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srs


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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)


H RESTRAINTS

                                                                                                                                                             A




                   SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
                                                                                 SECTION                   SRS                                               B



                                                                                                                                                             C


                                                                                                                                                             D


                                                                                                                                                             E
                                                               CONTENTS
PRECAUTIONS ......................................................... 3
                                                                     .             FROM DIAGNOSTIC PROCEDURE 2) ............. 25                    .        F
 Precautions for Supplemental Restraint System                                     DIAGNOSTIC PROCEDURE 5 .......................... 25             .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                         Trouble Diagnosis without CONSULT-II ................ 29           .
 SIONER" ................................................................. 3
                                                                     .             DIAGNOSTIC PROCEDURE 6 .......................... 29             .        G
 Precautions for SRS "AIR BAG" and "SEAT BELT                                      WARNING LAMP FLASH CODE CHART .......... 30                      .
 PRE-TENSIONER" Service .................................... 3       .           Trouble Diagnosis: "AIR BAG" Warning Lamp Does
 Wiring Diagrams and Trouble Diagnosis ................. 3           .           Not Turn OFF ........................................................ 34
                                                                                                                                                    .
                                                                                                                                                             SRS
PREPARATION .......................................................... 4
                                                                     .             DIAGNOSTIC PROCEDURE 7 .......................... 34             .
 Special Service Tools .............................................. 4
                                                                     .           Trouble Diagnosis: "AIR BAG" Warning Lamp Does
 Commercial Service Tools ....................................... 4  .           Not Turn ON .......................................................... 35
                                                                                                                                                    .
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 5                         .             DIAGNOSTIC PROCEDURE 8 .......................... 35             .         I
 SRS Configuration .................................................. 5
                                                                     .         DRIVER AIR BAG MODULE ................................... 36         .
 Front Seat Belt Pre-tensioner with Load Limiter ..... 6                         Removal and Installation ....................................... 36.
 Front Side Air Bag ................................................... 6
                                                                     .             REMOVAL .......................................................... 36
                                                                                                                                                    .        J
 Side Curtain Air Bag ................................................ 6
                                                                     .             INSTALLATION .................................................. 37
                                                                                                                                                    .
TROUBLE DIAGNOSIS ............................................. 7    .         SPIRAL CABLE ....................................................... 38
                                                                                                                                                    .
 Trouble Diagnosis Introduction ................................ 7   .           Removal and Installation ....................................... 38.
                                                                                                                                                             K
   DIAGNOSIS FUNCTION ...................................... 7       .             REMOVAL .......................................................... 38
                                                                                                                                                    .
   HOW TO PERFORM TROUBLE DIAGNOSIS                                                INSTALLATION .................................................. 39
                                                                                                                                                    .
   FOR QUICK AND ACCURATE REPAIR .............. 7                    .         FRONT PASSENGER AIR BAG MODULE ............. 40                      .
   WORK FLOW ....................................................... 8
                                                                     .           Removal and Installation ....................................... 40.        L
 Component Parts Location ...................................... 9   .             REMOVAL .......................................................... 40
                                                                                                                                                    .
 Schematic ............................................................. 10
                                                                     .             INSTALLATION .................................................. 40
                                                                                                                                                    .
 Wiring Diagram -- SRS -- .....................................11    .         FRONT SIDE AIR BAG MODULE ........................... 41             .        M
 CONSULT-II Function ........................................... 15  .           Removal and Installation ....................................... 41.
   DIAGNOSIS MODE FOR CONSULT-II .............. 15                   .             REMOVAL .......................................................... 41
                                                                                                                                                    .
   HOW TO CHANGE SELF-DIAGNOSIS MODE                                               INSTALLATION .................................................. 42
                                                                                                                                                    .
   WITH CONSULT-II ............................................. 15  .         SIDE CURTAIN AIR BAG MODULE ....................... 43               .
   HOW TO ERASE SELF-DIAGNOSTIC                                                  Removal and Installation ....................................... 43.
   RESULTS ........................................................... 16
                                                                     .             REMOVAL .......................................................... 43
                                                                                                                                                    .
 Self-Diagnosis Function (Without CONSULT-II) .... 16                .             INSTALLATION .................................................. 44
                                                                                                                                                    .
   HOW TO CHANGE SELF-DIAGNOSIS MODE                                           CRASH ZONE SENSOR .......................................... 45      .
   WITHOUT CONSULT-II ..................................... 16       .           Removal and Installation ....................................... 45.
   HOW TO ERASE SELF-DIAGNOSIS RESULTS 16                            ...           REMOVAL .......................................................... 45
                                                                                                                                                    .
 SRS Operation Check ........................................... 17  .             INSTALLATION .................................................. 45
                                                                                                                                                    .
   DIAGNOSTIC PROCEDURE 1 .......................... 17              .         SIDE AIR BAG (SATELLITE) SENSOR .................. 46                .
 Trouble Diagnosis with CONSULT-II ..................... 19          .           Removal and Installation ....................................... 46.
   DIAGNOSTIC PROCEDURE 2 .......................... 19              .             REMOVAL .......................................................... 46
                                                                                                                                                    .
   DIAGNOSTIC PROCEDURE 3 .......................... 23              .             INSTALLATION .................................................. 46
                                                                                                                                                    .
   DIAGNOSTIC PROCEDURE 4 (CONTINUED


Revision: 2004 November                                                 SRS-1                                                      2004 FX35/FX45
FRONT SEAT BELT PRE-TENSIONER .................. 47                       .          CLE) ....................................................................54
                                                                                                                                                           .
 Removal and Installation ....................................... 47      .          DEPLOYMENT OF AIR BAG MODULE AND
DIAGNOSIS SENSOR UNIT .................................... 48             .          SEAT BELT PRE-TENSIONER WHILE
 Removal and Installation ....................................... 48      .          MOUNTED IN VEHICLE .....................................55            .
   REMOVAL .......................................................... 48  .          DISPOSING OF AIR BAG MODULE AND SEAT
   INSTALLATION ................................................... 48    .          BELT PRE-TENSIONER .....................................55            .
   ECU DISCRIMINATED NO. ................................ 48              .        COLLISION DIAGNOSIS .........................................56         .
DISPOSAL OF AIR BAG MODULE AND SEAT BELT                                            For Frontal Collision ...............................................56.
PRE-TENSIONER .................................................... 49     .          SRS INSPECTION (FOR FRONTAL COLLI-
 Caution for Air Bag Module and Seat Belt Pre-ten-                                   SION) ..................................................................56
                                                                                                                                                           .
 sioner ..................................................................... 49
                                                                          .         For Side Collision ...................................................57
                                                                                                                                                           .
   CHECKING DEPLOYMENT TOOL .................... 49                       .          WHEN THE SIDE AIR BAG IS ACTIVATED IN
   DEPLOYMENT PROCEDURES FOR AIR BAG                                                 THE SIDE COLLISION: ......................................57          .
   MODULE (OUTSIDE OF VEHICLE) .................. 50                      .          WHEN SRS IS NOT ACTIVATED IN THE SIDE
   DEPLOYMENT PROCEDURES FOR SEAT                                                    COLLISION: ........................................................58 .
   BELT PRE-TENSIONER (OUTSIDE OF VEHI-                                              SRS INSPECTION (FOR SIDE COLLISION) .....58                           .




Revision: 2004 November                                                     SRS-2                                                        2004 FX35/FX45
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00001
                                                                                                                         A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           AHS000HB


The Supplemental Restraint System such as "AIR BAG" and "SEAT BELT PRE-TENSIONER", used along                            B
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              C
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.
WARNING:                                                                                                                 D
q    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.                                                                     E
q    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.                                                                                    F
q    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.
                                                                                                                         G
Precautions for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service
                                                                                                              AHS000HC

q   Do not use electrical test equipment to check SRS circuits unless instructed to in this Service Manual.        SRS
q   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    I
    pre-tensioner to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes
    have passed.
q   Diagnosis sensor unit must always be installed with their arrow marks "" pointing towards the front of the
    vehicle for proper operation. Also check diagnosis sensor unit for cracks, deformities or rust before instal- J
    lation and replace as required.
q   The spiral cable must be aligned with the neutral position since its rotations are limited. Do not turn steer-
    ing wheel and column after removal of steering gear.                                                            K
q   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.                                                                                                           L
q   Conduct self-diagnosis to check entire SRS for proper function after replacing any components.
q   After air bag inflates, the front instrument panel assembly should be replaced if damaged.
q   Always replace instrument panel pad following front passenger air bag deployment.                               M

Wiring Diagrams and Trouble Diagnosis                                                                         AHS000HE


When you read wiring diagrams, refer to the following:
q  GI-15, "How to Read Wiring Diagrams" in GI section
q  PG-3, "POWER SUPPLY ROUTING CIRCUIT" in PG section
When you perform trouble diagnosis, refer to the following:
q  GI-11, "How to Follow Trouble Diagnoses" in GI section
q  GI-27, "How to Perform Efficient Diagnosis for an Electrical Incident" in GI section
Check for any service bulletins before servicing the vehicle.




Revision: 2004 November                              SRS-3                                        2004 FX35/FX45
                                            PREPARATION

PREPARATION                                                                                                  PFP:00002

Special Service Tools                                                                                            AHS000HF


The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
    Tool number
    (Kent-Moore No.)                                                    Description
    Tool name




    KV99105300
    (J41246)                                                            Anchoring air bag module
    Air bag module bracket


                                                           S-NT354




    KV99106400
                                                                        Disposing of air bag module and front seat
    (J38381)
                                                                        belt pre-tensioner
    Deployment tool


                                                           S-NT357




    KV99110200
    (J38381-65)                                                         Connecting between the deployment tool
    Deployment tool adapter for front                                   and front passenger air bag module
    passenger air bag module

                                                           SHIA0173E


    KV99110500
    (J38381-80)
    q   Deployment tool adapter for
                                                                        q   Connecting between the deployment tool
        driver air bag module (Yellow and
                                                                            and driver air bag module
        orange connectors)
                                                                        q   Connecting between the deployment tool
    q   Deployment tool adapter for front
                                                                            and front seat belt pre-tensioner
        seat belt pre-tensioner (Yellow
        connector)                                                      q   Connecting between the deployment tool
                                                                            and side curtain air bag module
    q   Deployment tool adapter for side                   PHIA0184E

        curtain air bag module (Yellow
        connector)



    KV99108300
    (J38381-35)                                                         Connecting between the deployment tool
    Deployment tool adapter for front                                   and front side air bag module
    side air bag module

                                                           ZZA1166D



Commercial Service Tools                                                                                         AHS000HG


   Tool name                                                           Application




   Tamper resistant TORX bit                                           Size: T30



                                                          S-NT757



Revision: 2004 November                            SRS-4                                            2004 FX35/FX45
                            SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)                                                                        PFP:28556
                                                                                                                           A
SRS Configuration                                                                                               AHS000HH




                                                                                                                           B



                                                                                                                           C


                                                                                                                           D


                                                                                                                           E



                                                                                                                           F


                                                                                                                           G


                                                                                                                           SRS



                                                                                                                            I

                                                                                                          WHIA0042E


                                                                                                                           J
The air bag deploys if the diagnosis sensor unit activates while the ignition switch is in the ON or START posi-
tion.
The collision modes for which supplemental restraint systems are activated are different among the SRS sys-
tems. For example, the driver air bag module and front passenger air bag module are activated in a frontal col-            K
lision but not in a side collision.
SRS configurations which are activated for some collision modes are as follows:
                                                                                                                           L
                  SRS configuration               Frontal collision    Left side collision   Right side collision
 Driver air bag module                                   



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