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SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

H RESTRAINTS

SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SECTION SRS B

E
CONTENTS
PRECAUTIONS ......................................................... 3
. DIAGNOSTIC PROCEDURE 4 (CONTINUED F
Precautions for Supplemental Restraint System FROM DIAGNOSTIC PROCEDURE 2) ............. 26 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- DIAGNOSTIC PROCEDURE 5 .......................... 26 .
SIONER" ................................................................. 3
. Trouble Diagnosis without CONSULT-II ................ 30 . G
Precautions for SRS "AIR BAG" and "SEAT BELT DIAGNOSTIC PROCEDURE 6 .......................... 30 .
PRE-TENSIONER" Service .................................... 3 . WARNING LAMP FLASH CODE CHART .......... 31 .
Precautions for Battery Service ............................... 3 . Trouble Diagnosis: "AIR BAG" Warning Lamp Does
SRS
Wiring Diagrams and Trouble Diagnosis ................. 3 . Not Turn Off ........................................................... 35
.
PREPARATION .......................................................... 4
. DIAGNOSTIC PROCEDURE 7 .......................... 35 .
Special Service Tools .............................................. 4
. Trouble Diagnosis: "AIR BAG" Warning Lamp Does
Commercial Service Tools ....................................... 5 . Not Turn On ........................................................... 36
. I
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 6 . DIAGNOSTIC PROCEDURE 8 .......................... 36 .
SRS Configuration .................................................. 6
. DRIVER AIR BAG MODULE ................................... 37 .
Front Seat Belt Pre-tensioner with Load Limiter ..... 7 Removal and Installation ....................................... 37 . J
Front Side Air Bag ................................................... 7
. REMOVAL .......................................................... 37
.
Side Curtain Air Bag ................................................ 7
. INSTALLATION .................................................. 38 .
TROUBLE DIAGNOSIS ............................................. 8 . SPIRAL CABLE ....................................................... 39.
K
Trouble Diagnosis Introduction ................................ 8 . Removal and Installation ....................................... 39 .
DIAGNOSIS FUNCTION ...................................... 8 . REMOVAL .......................................................... 39
.
HOW TO PERFORM TROUBLE DIAGNOSIS INSTALLATION .................................................. 40 .
FOR QUICK AND ACCURATE REPAIR .............. 8 . FRONT PASSENGER AIR BAG MODULE ............. 41 . L
WORK FLOW ....................................................... 9
. Removal and Installation ....................................... 41 .
Component Parts Location .................................... 10 . REMOVAL .......................................................... 41
.
Schematic ..............................................................11
. INSTALLATION .................................................. 42 . M
Wiring Diagram -- SRS -- .................................... 12 . FRONT SIDE AIR BAG MODULE ........................... 43 .
CONSULT-II Function ........................................... 16 . Removal and Installation ....................................... 43 .
DIAGNOSIS MODE FOR CONSULT-II .............. 16 . REMOVAL .......................................................... 43
.
HOW TO CHANGE SELF-DIAGNOSIS MODE INSTALLATION .................................................. 44 .
WITH CONSULT-II ............................................. 16 . SIDE CURTAIN AIR BAG MODULE ....................... 45 .
HOW TO ERASE SELF-DIAGNOSTIC Removal and Installation ....................................... 45 .
RESULTS ........................................................... 17
. REMOVAL .......................................................... 45
.
Self-Diagnosis Function (Without CONSULT-II) .... 17 . INSTALLATION .................................................. 46 .
HOW TO CHANGE SELF-DIAGNOSIS MODE CRASH ZONE SENSOR .......................................... 47 .
WITHOUT CONSULT-II ..................................... 17 . Removal and Installation ....................................... 47 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 17 ... REMOVAL .......................................................... 47
.
SRS Operation Check ........................................... 18 . INSTALLATION .................................................. 47 .
DIAGNOSTIC PROCEDURE 1 .......................... 18 . SIDE AIR BAG (SATELLITE) SENSOR .................. 48 .
Trouble Diagnosis with CONSULT-II ..................... 20 . Removal and Installation ....................................... 48 .
DIAGNOSTIC PROCEDURE 2 .......................... 20 . REMOVAL .......................................................... 48
.
DIAGNOSTIC PROCEDURE 3 .......................... 24 . INSTALLATION .................................................. 48 .

SRS-1
FRONT SEAT BELT PRE-TENSIONER .................. 49 . CLE) ....................................................................56
.
Removal and Installation ....................................... 49 . DEPLOYMENT OF AIR BAG MODULE AND
DIAGNOSIS SENSOR UNIT .................................... 50 . SEAT BELT PRE-TENSIONER WHILE
Removal and Installation ....................................... 50 . MOUNTED IN VEHICLE .....................................57 .
REMOVAL .......................................................... 50 . DISPOSING OF AIR BAG MODULE AND SEAT
INSTALLATION ................................................... 50 . BELT PRE-TENSIONER .....................................57 .
ECU DISCRIMINATED NO. ................................ 50 . COLLISION DIAGNOSIS .........................................58 .
DISPOSAL OF AIR BAG MODULE AND SEAT BELT For Frontal Collision ...............................................58.
PRE-TENSIONER .................................................... 51 . SRS INSPECTION (FOR FRONTAL COLLI-
Caution for Air Bag Module and Seat Belt Pre-ten- SION) ..................................................................58
.
sioner ..................................................................... 51
. For Side Collision ...................................................59
.
CHECKING DEPLOYMENT TOOL .................... 51 . WHEN THE SIDE AIR BAG IS ACTIVATED IN
DEPLOYMENT PROCEDURES FOR AIR BAG THE SIDE COLLISION: ......................................59 .
MODULE (OUTSIDE OF VEHICLE) .................. 52 . WHEN SRS IS NOT ACTIVATED IN THE SIDE
DEPLOYMENT PROCEDURES FOR SEAT COLLISION: ........................................................60 .
BELT PRE-TENSIONER (OUTSIDE OF VEHI- SRS INSPECTION (FOR SIDE COLLISION) .....60 .

SRS-2
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" AHS0006A

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
AHS000PO

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 attempt to
turn steering wheel or 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

Precautions for Battery Service AHS000DV

Before disconnecting the battery, lower both the driver and passenger windows. This will prevent any interfer-
ence between the window edge and the vehicle when the door is opened/closed. During normal operation, the
window slightly raises and lowers automatically to prevent any window to vehicle interference. The automatic
window function will not work with the battery disconnected.
Wiring Diagrams and Trouble Diagnosis AHS000PP

When you read wiring diagrams, refer to the following:
q GI-15, "How to Read Wiring Diagrams" in GI section
q PG-4, "POWER SUPPLY ROUTING CIRCUIT" in PG section
When you perform trouble diagnosis, refer to the following:
q GI-11, "HOW TO FOLLOW TEST GROUPS IN 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.

SRS-3
PREPARATION

PREPARATION PFP:00002

Special Service Tools AHS0009T

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

Size: T50
HT61961000 and HT62152000 a: 3.5 (0.138) dia.
combined b: 8.5 - 8.6 (0.335 - 0.339) dia.
Tamper resistant TORX bit c: approx. 10 (0.39) sq.
Unit: mm (in)
S-NT361

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

SRS-4
PREPARATION

Commercial Service Tools AHS0009U

A
Tool name Application

Tamper resistant TORX bit Size: T30

C
S-NT757

SRS

SRS-5
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) PFP:28556

SRS Configuration AHS0009V

WHIA0042E

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-
lision but not in a side collision.
SRS configurations which are activated for some collision modes are as follows:
SRS configuration Frontal collision Left side collision Right side collision
Driver air bag module

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