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SRS

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H RESTRAINTS

B
SECTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) C

E
CONTENTS
PRECAUTIONS ......................................................... 3
. DIAGNOSTIC PROCEDURE 5 .......................... 28 . F
Precautions for Supplemental Restraint System Trouble Diagnosis Without CONSULT-II ................ 33 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- DIAGNOSTIC PROCEDURE 6 .......................... 33 .
SIONER" ................................................................. 3
. WARNING LAMP FLASH CODE CHART .......... 34 . G
Precautions for SRS "AIR BAG" and "SEAT BELT Trouble Diagnosis: "AIR BAG" Warning Lamp Does
PRE-TENSIONER" Service .................................... 3 . Not Turn Off ........................................................... 38
.
Trouble Diagnosis Precaution ................................. 3 . DIAGNOSTIC PROCEDURE 6 .......................... 38 .
SRS
PREPARATION .......................................................... 4
. Trouble Diagnosis: "AIR BAG" Warning Lamp Does
Special Service Tools .............................................. 4
. Not Turn On ........................................................... 39
.
Commercial Service Tool ........................................ 5 . DIAGNOSTIC PROCEDURE 7 .......................... 39 .
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 6 . DRIVER AIR BAG MODULE ................................... 40 . I
SRS Configuration .................................................. 6
. Removal and Installation ....................................... 40 .
Front Seat Belt Pre-tensioner with Load Limiter ..... 7 REMOVAL .......................................................... 40
.
Front Side Air Bag ................................................... 7
. INSTALLATION .................................................. 41 . J
Side Curtain Air Bag ................................................ 7
. SPIRAL CABLE ....................................................... 42.
Direct-connect SRS Component Connectors .......... 8 . Removal and Installation ....................................... 42 .
TROUBLE DIAGNOSIS ............................................. 9 . REMOVAL .......................................................... 42
.
K
Trouble Diagnosis Introduction ................................ 9 . INSTALLATION .................................................. 43 .
DIAGNOSIS FUNCTION ...................................... 9 . FRONT PASSENGER AIR BAG MODULE ............. 44 .
HOW TO PERFORM TROUBLE DIAGNOSES Removal and Installation ....................................... 44 .
FOR QUICK AND ACCURATE REPAIR .............. 9 . REMOVAL .......................................................... 44
. L
WORK FLOW ..................................................... 10. INSTALLATION .................................................. 44 .
SRS Components Parts Location ...........................11 . FRONT SIDE AIR BAG MODULE ........................... 45 .
Schematic ............................................................. 12
. Removal and Installation ....................................... 45 . M
Wiring Diagram-SRS- ............................................ 13 . REMOVAL .......................................................... 45
.
CONSULT-II Function ........................................... 18 . INSTALLATION .................................................. 45 .
DIAGNOSIS MODE USING CONSULT-II .......... 18 . SIDE CURTAIN AIR BAG MODULE ....................... 46 .
HOW TO CHANGE SELF-DIAGNOSIS MODE Removal and Installation ....................................... 46 .
WITH CONSULT-II ............................................. 18 . REMOVAL .......................................................... 46
.
HOW TO ERASE SELF-DIAGNOSIS RESULTS 19 ... INSTALLATION .................................................. 47 .
Self-Diagnosis Function (Without CONSULT-II) .... 19 . CRASH ZONE SENSOR .......................................... 48 .
HOW TO CHANGE SELF-DIAGNOSIS MODE... 19 Removal and Installation ....................................... 48 .
HOW TO ERASE SELF-DIAGNOSIS RESULTS 20 ... REMOVAL .......................................................... 48
.
SRS Operation Check ........................................... 20 . INSTALLATION .................................................. 48 .
DIAGNOSTIC PROCEDURE 1 .......................... 20 . SIDE AIR BAG (SATELLITE) SENSOR .................. 49 .
Trouble Diagnosis With CONSULT-II .................... 22 . Removal and Installation ....................................... 49 .
DIAGNOSTIC PROCEDURE 2 .......................... 22 . REMOVAL .......................................................... 49
.
DIAGNOSTIC PROCEDURE 3 .......................... 26 . INSTALLATION .................................................. 49 .
DIAGNOSTIC PROCEDURE 4 (CONTINUED FRONT SEAT BELT PRE-TENSIONER .................. 50 .
FROM DIAGNOSTIC PROCEDURE 2) ............. 28 . Removal and Installation ....................................... 50 .

SRS-1
DIAGNOSIS SENSOR UNIT .................................... 51 . BELT PRE-TENSIONER (OUTSIDE OF VEHI-
Removal and Installation ....................................... 51 . CLE) ....................................................................57
.
REMOVAL .......................................................... 51 . DEPLOYMENT OF AIR BAG MODULES AND
INSTALLATION ................................................... 51 . SEAT BELT PRE-TENSIONERS WHILE
ECU DISCRIMINATED NO. ................................ 51 . MOUNTED IN VEHICLE .....................................58 .
DISPOSAL OF AIR BAG MODULE AND SEAT BELT DISPOSING OF AIR BAG MODULE AND SEAT
PRE-TENSIONER .................................................... 52 . BELT PRE-TENSIONER .....................................58 .
Caution for Air Bag Module and Seat Belt Pre-ten- COLLISION DIAGNOSIS .........................................59 .
sioner ..................................................................... 52
. For Frontal Collision ...............................................59.
CHECKING DEPLOYMENT TOOL .................... 52 . SRS INSPECTION (FOR FRONTAL COLLI-
DEPLOYMENT PROCEDURES FOR AIR BAG SION) ..................................................................59
.
MODULE (OUTSIDE OF VEHICLE) .................. 53 . For Side Collision ...................................................60
.
DEPLOYMENT PROCEDURES FOR SEAT 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" EHS000MJ

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 harness connec-
tors.
G
Precautions for SRS "AIR BAG" and "SEAT BELT PRE-TENSIONER" Service
EHS000MK

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 The diagnosis sensor unit must always be installed with the arrow mark "" pointing toward the front of
the vehicle for proper operation. Also check diagnosis sensor unit for cracks, deformities or rust before J
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
Trouble Diagnosis Precaution EHS000ML

When you read wiring diagrams, refer to the following:
q GI-12, "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-10, "HOW TO FOLLOW TEST GROUPS IN TROUBLE DIAGNOSES" in GI section
q GI-25, "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 EHS000MM

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
(J-41246) Anchoring air bag module
Air bag module bracket

S-NT354

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

S-NT357

(J-38381-80)
Connection between the deployment tool
Deployment tool adapter for front
and front driver air bag module, side curtain
driver air bag module, side curtain
air bag module and front seat belt pre-ten-
air bag module and front seat belt
sioner
pre-tensioner
WHIA0089E

(J-38381-65)
Connection between the deployment tool
Deployment tool adapter for front
and front passenger air bag module
passenger air bag module

SHIA0173E

KV99109000
(J-44230) Connection between the deployment tool
Deployment tool adapter for front and front side air bag module
side air bag module

ZZA1190D

(J-44615)
Removing and installing air bag lock
Air bag lock master key set

LRS210

SRS-4
PREPARATION

Commercial Service Tool EHS000O7

A
Tool name Description

Tamper resistant TORX socket Size: T30

C
S-NT757

SRS

SRS-5
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)

SUPPLEMENTAL RESTRAINT SYSTEM (SRS) PFP:28556

SRS Configuration EHS000MN

WHIA0097E

The air bag deploys if the 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
Driver air bag module

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