Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Nissan Altima 2000-2005 Approved Nissan Altima 2004 SRS
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H RESTRAINTS
A
B
SECTION
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) C
D
E
CONTENTS
PRECAUTIONS ......................................................... 3 . DIAGNOSTIC PROCEDURE 5 .......................... 27 . F
Precautions for Supplemental Restraint System Trouble diagnoses without CONSULT-II. ............... 32 .
(SRS) "AIR BAG" and "SEAT BELT PRE-TEN- DIAGNOSTIC PROCEDURE 6 .......................... 32 .
SIONER" ................................................................. 3
. WARNING LAMP FLASH CODE CHART .......... 33 . G
Precautions for SRS "AIR BAG" and "SEAT BELT Trouble Diagnoses: "AIR BAG" Warning Lamp Does
PRE-TENSIONER" Service .................................... 3 . Not Turn Off ........................................................... 37
.
Trouble Diagnosis Precaution ................................. 3 . DIAGNOSTIC PROCEDURE 6 .......................... 37 .
SRS
PREPARATION .......................................................... 4. Trouble Diagnoses: "AIR BAG" Warning Lamp Does
Special Service Tool ................................................ 4. Not Turn On ........................................................... 38
.
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) ...... 5 . DIAGNOSTIC PROCEDURE 7 .......................... 38 .
SRS Configuration .................................................. 5 . DRIVER AIR BAG MODULE ................................... 39 . I
Front Seat Belt Pre-tensioner with Load Limiter ..... 6 Removal and Installation ....................................... 39 .
Front Side Air Bag ................................................... 6
. REMOVAL .......................................................... 39
.
Side Curtain Air Bag ................................................ 6. INSTALLATION .................................................. 40 . J
Direct-connect SRS Component Connectors .......... 7 . SPIRAL CABLE ....................................................... 41.
TROUBLE DIAGNOSIS ............................................. 8 . Removal and Installation ....................................... 41 .
Trouble Diagnoses Introduction .............................. 8 . REMOVAL .......................................................... 41
.
K
DIAGNOSIS FUNCTION ...................................... 8 . INSTALLATION .................................................. 42 .
HOW TO PERFORM TROUBLE DIAGNOSES FRONT PASSENGER AIR BAG MODULE ............. 43 .
FOR QUICK AND ACCURATE REPAIR .............. 8 . Removal and Installation ....................................... 43 .
WORK FLOW ....................................................... 9 . REMOVAL .......................................................... 43
. L
SRS Components Parts Location .......................... 10 . INSTALLATION .................................................. 44 .
Schematic ..............................................................11
. WIRING HARNESS MODIFICATION ................. 44 .
Wiring Diagram-SRS- ............................................ 12 . FRONT SIDE AIR BAG MODULE ........................... 47 . M
CONSULT-II FUNCTION ....................................... 17 . Removal ................................................................ 47
.
DIAGNOSIS MODE FOR CONSULT-II .............. 17 . SIDE CURTAIN AIR BAG MODULE ....................... 48 .
HOW TO CHANGE SELF-DIAGNOSIS MODE Removal and Installation ....................................... 48 .
WITH CONSULT-II ............................................. 17 . REMOVAL .......................................................... 48
.
HOW TO ERASE SELF-DIAGNOSIS RESULTS 18 ... INSTALLATION .................................................. 49 .
SELF-DIAGNOSIS FUNCTION (WITHOUT CON- CRASH ZONE SENSOR .......................................... 50 .
SULT-II) ................................................................. 18
. Removal and Installation ....................................... 50 .
HOW TO CHANGE SELF-DIAGNOSIS MODE... 18 REMOVAL .......................................................... 50
.
HOW TO ERASE SELF-DIAGNOSIS RESULTS 18 ... INSTALLATION .................................................. 50 .
SRS Operation Check ........................................... 19 . SIDE AIR BAG (SATELLITE) SENSOR .................. 51 .
DIAGNOSTIC PROCEDURE 1 .......................... 19 . Removal and Installation ....................................... 51 .
Trouble Diagnoses with CONSULT-II .................... 21 . REMOVAL .......................................................... 51
.
DIAGNOSTIC PROCEDURE 2 .......................... 21 . INSTALLATION .................................................. 51 .
DIAGNOSTIC PROCEDURE 3 .......................... 25 . FRONT SEAT BELT PRE-TENSIONER .................. 52 .
DIAGNOSTIC PROCEDURE 4 (CONTINUED Removal and Installation ....................................... 52 .
FROM DIAGNOSTIC PROCEDURE 2) ............. 27 .
Revision: May 2004 SRS-1 2004 Altima
DIAGNOSIS SENSOR UNIT .................................... 53 . MOUNTED IN VEHICLE .....................................60 .
Removal and Installation ....................................... 53 . DISPOSING OF AIR BAG MODULE AND SEAT
REMOVAL .......................................................... 53 . BELT PRE-TENSIONER .....................................60 .
INSTALLATION .................................................. 53 . COLLISION DIAGNOSIS .........................................61 .
ECU DISCRIMINATED NO. ................................ 53 . For Frontal Collision ...............................................61
.
DISPOSAL OF AIR BAG MODULE AND SEAT BELT WHEN SRS (EXCEPT THE FRONT SIDE AIR
PRE-TENSIONER .................................................... 54 . BAG AND SIDE CURTAIN AIR BAG MODULES)
Caution for Air Bag Module and Seat Belt Pre-ten- IS ACTIVATED IN A COLLISION ........................61 .
sioner ..................................................................... 54
. WHEN SRS IS NOT ACTIVATED IN A COLLI-
CHECKING DEPLOYMENT TOOL .................... 54 . SION ...................................................................61
.
DEPLOYMENT PROCEDURES FOR AIR BAG SRS INSPECTION (FOR FRONTAL COLLI-
MODULE (OUTSIDE OF VEHICLE) ................... 55 . SION) ..................................................................61
.
DEPLOYMENT PROCEDURES FOR SEAT For Side Collision ...................................................62
.
BELT PRE-TENSIONER (OUTSIDE OF VEHI- WHEN SRS IS ACTIVATED IN THE SIDE COL-
CLE) ................................................................... 59
. LISION ................................................................62
.
DEPLOYMENT OF AIR BAG MODULE AND WHEN SRS IS NOT ACTIVATED IN THE SIDE
SEAT BELT PRE-TENSIONER WHILE COLLISION .........................................................62.
SRS INSPECTION (FOR SIDE COLLISION) .....63 .
Revision: May 2004 SRS-2 2004 Altima
PRECAUTIONS
PRECAUTIONS PFP:00001
A
Precautions for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER" EHS000LF
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
EHS000KH
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 EHS000KI
When you read wiring diagrams, refer to the following:
q GI-12, "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-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.
Revision: May 2004 SRS-3 2004 Altima
PREPARATION
PREPARATION PFP:00002
Special Service Tool EHS000KJ
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 modules and front seat
(J38381)
belt pre-tensioners
Deployment tool
S-NT357
(J38381-80)
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
(J38381-65)
Connection between the deployment tool
Deployment tool adapter for front
and front passenger air bag module (service
passenger air bag module (service
replacement)
replacement)
SHIA0173E
KV99109000
(J44230) Connection between the deployment tool
Deployment tool adapter for front and front side air bag module
side air bag module
ZZA1190D
(J44615)
Removing and installing air bag lock
Air bag lock master key set
LRS210
Revision: May 2004 SRS-4 2004 Altima
SUPPLEMENTAL RESTRAINT SYSTEM (SRS)
SUPPLEMENTAL RESTRAINT SYSTEM (SRS) PFP:28556
A
SRS Configuration EHS000KK
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-
K
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;
L
SRS configuration Frontal collision Left side collision Right side collision
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