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SRS

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H RESTRAINTS

B
SECTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) C

E
CONTENTS
PRECAUTIONS ......................................................... 3
. DIAGNOSTIC PROCEDURE 3 .......................... 28 . F
Precautions for Supplemental Restraint System DIAGNOSTIC PROCEDURE 4 (CONTINUED
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- FROM DIAGNOSTIC PROCEDURE 2) ............. 31 .
SIONER" ................................................................. 3
. DIAGNOSTIC PROCEDURE 5 .......................... 31 . G
Precautions for SRS "AIR BAG" and "SEAT BELT Trouble Diagnosis Without CONSULT-II ................ 37 .
PRE-TENSIONER" Service .................................... 3 . DIAGNOSTIC PROCEDURE 6 .......................... 37 .
Occupant Classification System Precaution ........... 3 . WARNING LAMP FLASH CODE CHART .......... 38 .
SRS
Trouble Diagnosis Precaution ................................. 3 . Trouble Diagnosis: "AIR BAG" Warning Lamp Does
PREPARATION .......................................................... 4
. Not Turn Off ........................................................... 42
.
Special Service Tools .............................................. 4
. DIAGNOSTIC PROCEDURE 6 .......................... 42 .
Commercial Service Tools ....................................... 5 . Trouble Diagnosis: "AIR BAG" Warning Lamp Does I
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 6 . Not Turn On ........................................................... 43
.
SRS Configuration .................................................. 6
. DIAGNOSTIC PROCEDURE 7 .......................... 43 .
Front Seat Belt Pre-tensioner with Load Limiter ..... 7 DRIVER AIR BAG MODULE ................................... 44 . J
Front Side Air Bag ................................................... 7
. Removal and Installation ....................................... 44 .
Side Curtain Air Bag ................................................ 7
. REMOVAL .......................................................... 44
.
Occupant Classification System .............................. 7 . INSTALLATION .................................................. 45 .
K
Direct-connect SRS Component Connectors .......... 8 . SPIRAL CABLE ....................................................... 46.
TROUBLE DIAGNOSIS ............................................. 9 . Removal and Installation ....................................... 46 .
Trouble Diagnosis Introduction ................................ 9 . REMOVAL .......................................................... 46
.
DIAGNOSIS FUNCTION ...................................... 9 . INSTALLATION .................................................. 47 . L
HOW TO PERFORM TROUBLE DIAGNOSES FRONT PASSENGER AIR BAG MODULE ............. 49 .
FOR QUICK AND ACCURATE REPAIR .............. 9 . Removal and Installation ....................................... 49 .
WORK FLOW ..................................................... 10. REMOVAL .......................................................... 49
. M
SRS Components Parts Location ...........................11 . INSTALLATION .................................................. 49 .
Schematic ............................................................. 12
. WIRING HARNESS MODIFICATION ................. 50 .
Wiring Diagram -- SRS -- .................................... 13 . FRONT SIDE AIR BAG MODULE ........................... 52 .
CONSULT-II Function (AIR BAG) .......................... 19 . Removal and Installation ....................................... 52 .
CONSULT-II Function ........................................... 19 . REMOVAL .......................................................... 52
.
HOW TO CHANGE SELF-DIAGNOSIS MODE INSTALLATION .................................................. 52 .
WITH CONSULT-II ............................................. 19 . SIDE CURTAIN AIR BAG MODULE ....................... 53 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 20 ... Removal and Installation ....................................... 53 .
Self-Diagnosis Function (Without CONSULT-II) .... 20 . REMOVAL .......................................................... 53
.
HOW TO CHANGE SELF-DIAGNOSIS MODE... 20 INSTALLATION .................................................. 53 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 21 ... CRASH ZONE SENSOR .......................................... 55 .
SRS Operation Check ........................................... 21 . Removal and Installation ....................................... 55 .
DIAGNOSTIC PROCEDURE 1 .......................... 21 . REMOVAL .......................................................... 55
.
Trouble Diagnosis With CONSULT-II .................... 23 . INSTALLATION .................................................. 55 .
DIAGNOSTIC PROCEDURE 2 .......................... 23 .

Revision: October 2004 SRS-1 2005 Titan
SIDE AIR BAG (SATELLITE) SENSOR .................. 56 . BELT PRE-TENSIONER (OUTSIDE OF VEHI-
Removal and Installation ....................................... 56 . CLE) ....................................................................65
.
REMOVAL .......................................................... 56 . DEPLOYMENT OF AIR BAG MODULES AND
INSTALLATION ................................................... 56 . SEAT BELT PRE-TENSIONERS WHILE
FRONT SEAT BELT PRE-TENSIONER .................. 57 . MOUNTED IN VEHICLE .....................................65 .
Removal and Installation ....................................... 57 . DISPOSING OF AIR BAG MODULE AND SEAT
DIAGNOSIS SENSOR UNIT .................................... 58 . BELT PRE-TENSIONER .....................................66 .
Removal and Installation ....................................... 58 . COLLISION DIAGNOSIS .........................................67 .
REMOVAL .......................................................... 58 . For Frontal Collision ...............................................67.
INSTALLATION ................................................... 58 . SRS INSPECTION (FOR FRONTAL COLLI-
ECU DISCRIMINATED NO. ................................ 58 . SION) ..................................................................67
.
OCCUPANT CLASSIFICATION SYSTEM CON- For Side Collision ...................................................68
.
TROL UNIT ............................................................... 59
. WHEN SRS IS ACTIVATED IN THE SIDE COL-
Removal and Installation ....................................... 59 . LISION ................................................................68
.
DISPOSALOFAIRBAGMODULEANDSEATBELT WHEN SRS IS NOT ACTIVATED IN THE SIDE
PRE-TENSIONER .................................................... 60 . COLLISION .........................................................68 .
Caution for Air Bag Module and Seat Belt Pre-ten- SRS INSPECTION (FOR SIDE COLLISION) .....68 .
sioner ..................................................................... 60
. For Rollover ...........................................................69
.
CHECKING DEPLOYMENT TOOL .................... 60 . WHEN SRS IS ACTIVATED IN THE ROLLOVER...69
DEPLOYMENT PROCEDURES FOR AIR BAG WHEN SRS IS NOT ACTIVATED IN THE ROLL-
MODULE (OUTSIDE OF VEHICLE) .................. 61 . OVER ..................................................................69
.
DEPLOYMENT PROCEDURES FOR SEAT SRS INSPECTION (FOR ROLLOVER) ..............70 .

Revision: October 2004 SRS-2 2005 Titan
PRECAUTIONS

PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EHS0013S

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
EHS0013T

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 bags and seat belt I
pre-tensioners to deploy. Therefore, do not work on any SRS connectors or wires until at least 3 minutes
have passed.
q 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 J
rust before installation 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.
M
Occupant Classification System Precaution EHS0013U

Replace occupant classification system control unit and passenger front seat cushion as an assembly.
Trouble Diagnosis Precaution EHS0013V

When you read wiring diagrams, refer to the following:
q GI-14, "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.

Revision: October 2004 SRS-3 2005 Titan
PREPARATION

PREPARATION PFP:00002

Special Service Tools EHS0013W

The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number Description
(Kent-Moore No.)
Tool name
KV99105300 Anchoring air bag module
(J-41246)
Air bag module bracket

S-NT354

-- Anchoring passenger air bag module
(J-39401-100)
Passenger air bag module bracket

LHIA0045E

KV99106400 Disposing of air bag modules and front seat
(J-38381) belt pre-tensioners
Deployment tool

S-NT357

-- Connecting between the deployment tool and
(J-38381-80) front driver air bag module, passenger air bag
Deployment tool adapter for front driv- module, side curtain air bag module and front
er air bag module, passenger air bag seat belt pre-tensioner
module, side curtain air bag module
and front seat belt pre-tensioner

WHIA0089E

-- Connecting between the deployment tool and
(J-38381-65) front passenger air bag module
Deployment tool adapter for front pas-
senger air bag module (for service kit
level)

SHIA0173E

Revision: October 2004 SRS-4 2005 Titan
PREPARATION

Tool number Description
(Kent-Moore No.) A
Tool name
KV99109000 Connecting between the deployment tool and
(J-44230) front side air bag module B
Deployment tool adapter for front side
air bag module

ZZA1190D

-- Removing and installing air bag lock
D
(J-42057-UPD)
Air bag key set
Part of kit (J-42057)
E

LRS210
F
Commercial Service Tools EHS0013X

(Kent-Moore No.)
Description G
Tool name
(J-1859A) Removing steering wheel
Steering wheel puller
SRS

I
LHIA0043E

(J-42578) Removing steering wheel
Steering wheel puller legs J

LHIA0044E

Revision: October 2004 SRS-5 2005 Titan
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) PFP:28556

SRS Configuration EHS0013Y

WHIA0224E

The air bag deploys if the air bag diagnosis sensor unit is activated while the ignition switch is in the ON or
START position.
The collision modes for which supplemental restraint systems are activated are different among the SRS sys-
tems. For example, the driver air bag module, front passenger air bag module and front seat belt pre-tension-
ers are activated in a frontal collision but not in a side collision.
SRS configurations for some collision modes are as follows:
SRS configuration Frontal collision Left side collision Right side collision Rollover
Driver air bag module

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