Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Infiniti FX45 FX35 2006-2008 Approved FX45_35-S50-2007 srs

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srs


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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)


H RESTRAINTS

                                                                                                                                                                      A


                                                                                                                                                                      B
                                                                                      SECTION
                    SUPPLEMENTAL RESTRAINT SYSTEM (SRS)                                                                                                               C


                                                                                                                                                                      D


                                                                                                                                                                      E
                                                                   CONTENTS
PRECAUTIONS ......................................................... 3   .           SRS Operation Check ........................................... 20     .        F
 Precautions for Supplemental Restraint System                                          DIAGNOSTIC PROCEDURE 1 .......................... 20                 .
 (SRS) "AIR BAG" and "SEAT BELT PRE-TEN-                                              Trouble Diagnosis with CONSULT-II ..................... 22             .
 SIONER" ................................................................. 3
                                                                          .             DIAGNOSTIC PROCEDURE 2 .......................... 22                 .        G
 Precautions for SRS "AIR BAG" and "SEAT BELT                                           DIAGNOSTIC PROCEDURE 3 .......................... 27                 .
 PRE-TENSIONER" Service .................................... 3            .             DIAGNOSTIC PROCEDURE 4 (CONTINUED
 Occupant Classification System Precaution ........... 3                  .             FROM DIAGNOSTIC PROCEDURE 2) ............. 29                        .
                                                                                                                                                                      SRS
PREPARATION .......................................................... 4  .             DIAGNOSTIC PROCEDURE 5 .......................... 29                 .
 Commercial Service Tools ....................................... 4       .           Trouble Diagnosis without CONSULT-II ................ 35               .
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 5                              .             DIAGNOSTIC PROCEDURE 6 .......................... 35                 .
 SRS Configuration .................................................. 5   .             WARNING LAMP FLASH CODE CHART .......... 35                          .         I
 Front Seat Belt Pre-Tensioner with Load Limiter ..... 6                              Trouble Diagnosis: "AIR BAG" Warning Lamp Does
 Front Side Air Bag ................................................... 6 .           Not Turn OFF ........................................................ 39
                                                                                                                                                             .
 Side Curtain Air Bag ................................................ 6  .             DIAGNOSTIC PROCEDURE 7 .......................... 39                 .        J
 Occupant Classification System (OCS) .................. 7                .           Trouble Diagnosis: "AIR BAG" Warning Lamp Does
 Passenger Air Bag Status Condition ....................... 7             .           Not Turn ON .......................................................... 40
                                                                                                                                                             .
 Component Parts of Occupant Classification Sys-                                        DIAGNOSTIC PROCEDURE 8 .......................... 40                 .
                                                                                                                                                                      K
 tem .......................................................................... 7
                                                                          .           Trouble Diagnosis: Passenger Seatbelt Warning
 Passenger Seatbelt Warning System ...................... 7               .           System ................................................................... 41
                                                                                                                                                             .
   SYSTEM DESCRIPTION ..................................... 7             .         DRIVER AIR BAG MODULE ................................... 42             .
TROUBLE DIAGNOSIS ............................................. 8         .           Removal and Installation ....................................... 42    .        L
 Trouble Diagnosis Introduction ................................ 8        .             REMOVAL .......................................................... 42.
   DIAGNOSIS FUNCTION ...................................... 8            .             INSTALLATION .................................................. 43   .
   HOW TO PERFORM TROUBLE DIAGNOSIS                                                 SPIRAL CABLE ....................................................... 44  .        M
   FOR QUICK AND ACCURATE REPAIR .............. 8                         .           Removal and Installation ....................................... 44    .
   WORK FLOW ....................................................... 9    .             REMOVAL .......................................................... 44.
 Component Parts Location .................................... 10         .             INSTALLATION .................................................. 45   .
 Schematic ..............................................................11
                                                                          .         FRONT PASSENGER AIR BAG MODULE ............. 46                          .
 Wiring Diagram -- SRS -- .................................... 12         .           Removal and Installation ....................................... 46    .
 CONSULT-II Function ........................................... 18       .             REMOVAL .......................................................... 46.
   DIAGNOSIS MODE FOR CONSULT-II .............. 18                        .             INSTALLATION .................................................. 47   .
   HOW TO CHANGE SELF-DIAGNOSIS MODE                                                SIDE CURTAIN AIR BAG MODULE ....................... 48                   .
   WITH CONSULT-II ............................................. 18       .           Removal and Installation ....................................... 48    .
   HOW TO ERASE SELF-DIAGNOSTIC                                                         REMOVAL .......................................................... 48.
   RESULTS ........................................................... 19 .             INSTALLATION .................................................. 49   .
 Self-Diagnosis Function (Without CONSULT-II) .... 19                     .         CRASH ZONE SENSOR .......................................... 50          .
   HOW TO CHANGE SELF-DIAGNOSIS MODE                                                  Removal and Installation ....................................... 50    .
   WITHOUT CONSULT-II ..................................... 19            .             REMOVAL .......................................................... 50.
   HOW TO ERASE SELF-DIAGNOSIS RESULTS 19                                 ...           INSTALLATION .................................................. 50   .



Revision: 2006 July                                                          SRS-1                                                         2007 FX35/FX45
SIDE AIR BAG (SATELLITE) SENSOR .................. 51             .        TROL UNIT ...............................................................54
                                                                                                                                                  .
  Removal and Installation ....................................... 51
                                                                  .         Removal and Installation ........................................54   .
   REMOVAL .......................................................... 51
                                                                  .        COLLISION DIAGNOSIS .........................................55        .
   INSTALLATION ................................................... 51
                                                                  .         For Frontal Collision ...............................................55
                                                                                                                                                  .
FRONT SEAT BELT PRE-TENSIONER .................. 52               .          SRS INSPECTION (FOR FRONTAL COLLI-
  Removal and Installation ....................................... 52
                                                                  .          SION) ..................................................................55
                                                                                                                                                  .
DIAGNOSIS SENSOR UNIT .................................... 53     .         For Side Collision ...................................................57
                                                                                                                                                  .
  Removal and Installation ....................................... 53
                                                                  .          WHEN THE SIDE AIR BAG IS ACTIVATED IN
   REMOVAL .......................................................... 53
                                                                  .          THE SIDE COLLISION: ......................................57         .
   INSTALLATION ................................................... 53
                                                                  .          WHEN SRS IS NOT ACTIVATED IN THE SIDE
   ECU DISCRIMINATED NO. ................................ 53      .          COLLISION: ........................................................57.
OCCUPANT CLASSIFICATION SYSTEM CON-                                          SRS INSPECTION (FOR SIDE COLLISION) .....57                          .




Revision: 2006 July                                                 SRS-2                                                       2007 FX35/FX45
                                              PRECAUTIONS

PRECAUTIONS                                                         PFP:00001
                                                                                                                         A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"                                                                                           NHS00073


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
                                                                                                              NHS00074

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
q   Disposal, recycling, and transportation of air bag modules and seat belt pre-tensioners should be per-
    formed in compliance with applicable federal, state and local laws and regulations.
Occupant Classification System Precaution                                                                     NHS0009N


Replace occupant classification system control unit and passenger front seat cushion as an assembly.
Refer to Refer to Service Manual .




Revision: 2006 July                                  SRS-3                                        2007 FX35/FX45
                               PREPARATION

PREPARATION                                                           PFP:00002

Commercial Service Tools                                                 NHS00075


   Tool name                                    Description




   Tamper resistant TORX bit                    Size: T30/T50



                                      S-NT757




Revision: 2006 July               SRS-4                         2007 FX35/FX45
                            SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)                                                                        PFP:28556
                                                                                                                            A
SRS Configuration                                                                                                NHS00076




                                                                                                                            B



                                                                                                                            C


                                                                                                                            D


                                                                                                                            E



                                                                                                                            F


                                                                                                                            G


                                                                                                                            SRS



                                                                                                                             I

                                                                                                          PHIA1120E


                                                                                                                            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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