1995 NISSAN ALMERA N15 Service Manual

Airbag module
Deployment tool

(KV991 06400) SUPPLEMENTAL
RESTRAINTSYSTEM(SRS)
Disposal ofAir Bag Module andSeat Belt
Pre-tensioner (Cont'd)

2. Firmly secure passenger airbag bracket (SST:KV99105300)
in avise.

SRS145
3.Match thetwo holes inpassenger airbag bracket (heldin
vise) andpassenger airbag module andfixthem withtwo
bolts [M8x25 -30 mm (0.98 -1.18 in)].

CAUTION:
If a gap exists between passenger airbag module andpassen-
ger airbag bracket, useapiece ofwood inserted inthe gap to
stabilize theairbag module.

4. Connect deployment tooladapter (SST:KV991065S0) to
deployment tool(SST: KV99106400) connectorandconnec-
tor oneither sideofair bag module.
5. Connect redclip ofdeployment tooltobattery positive ter-
minal andblack cliptonegative terminal.
6. The lamp onthe right sideofthe tool, marked "deployment
tool power", shouldglowgreen, notred.
7. Press thebutton onthe deployment tool.Theleftside lamp
on the tool, marked "airbagconnector voltage",willillumi-
nate andtheairbag module willdeploy.

CAUTION:
Whwn deploying theairbag module, standatleast 5m (16
ft)

away fromtheairbag module.

8. Activate theother inflator.

CAUTION:
Always activate oneinflator atatime.
SRS020-A!
RS-21
•

SBF240F
SRS006-B
SUPPLEMENTAL
RESTRAINTSYSTEM(SRS)
Disposal ofAir Bag Module andSeat Belt
Pre-tensioner (Cont'd)
DEPLOYMENT OFAIR BAG MODULE WHILEMOUNTED
IN VEHICLE

When disposing ofavehicle, deployairbag module whileitis
mounted invehicle.

CAUTION:
When deploying airbag module, ensurevehicle isempty.

1. Disconnect bothbattery cablesandwait 10minutes.
2. Disconnect airbag module connector.
3. Connect deployment tool(SST: KV99106400) toair bag mod-
ule.
4. Connect redclip ofdeployment tooltobattery positive ter-
minal andblack cliptonegative terminal.
5. The lamp onthe right sideofthe tool, marked "deployment
tool power", shouldglowgreen, notred.
6. Press thebutton onthe deployment tool.Theleftside lamp
on the tool, marked "airbagconnector voltage",willillumi-
nate andtheairbag module willdeploy.

CAUTION:
Active onlyonepassenger airbag module inflatoratatime.
Deployment tool
(KV99106400)
Safety leverlock DEPLOYMENT
OFSEAT BELTPRE-TENSIONER
(OUTSIDE OFVEHICLE)

1. Remove seatbeltunitwith pre-tensioner. RefertoRS-3
fordetails.

CAUTION: Before removing seatbeltpre-tensioner assembly,besure to
lock safety levertomake seatbeltpre-tensioner inoperative.

2. Cut seat beltoffatupper partofpre-tensioner.

SRS078
3.Tie astrong stringatleast 6m (20
ft)
long topre-tensioner
body, withpre-tensioner cylinderfacingdown.

SRS079
4.Move leverindirection ofarrow tounlock operation protec-
tion system. Pre-tensioner assemblyisnow ready foroper-
ation.

• After unlocking operationprotection system,becareful not
to bump pre-tensioner assembly.
SRS080 RS-22

6.From adistance ofmore than5m (16
ft)
away fromtires,
pull string untilpre-tensioner isapproximately 400mm
(15.75 in)above theground.

• Before pulling string,onceagain forsafety, checkthatthe
area around thetires isclear.
SRS081
SUPPLEMENTAL
RESTRAINTSYSTEM(SRS)
Disposal ofAir Bag Module andSeat Belt
Pre-tensioner (Cont'd)

5. Place fiveused tires(four without rimsandonewith) ona
concrete floor,asshown inthe figure, sothat they encircle
pre-tensioner. Routeendofthe string through thecenter of
the rim.

• Make surepre-tensioner isaway fromanyofthe tires to
prevent anyshocks beingapplied.

40
em
(15.75
in)

5

m
(16
ft)

SRS082
SRS083
7.
Release stringtoallow thepre-tensioner tohit the ground.
Pre-tensioner willnow deploy.

• The pre-tensioner cylinderistoo hottotouch immediately
after deployment; therefore,waitatleast 10minutes untilit
cools down.
• Although thegas which isdischarged duringdeployment is
harmless, avoidinhaling asitcan cause somediscomfort.

8. Before disposing ofpre-tensioner, re-checkthatithas prop-
erly deployed. Ifithas not,repeat steps3through 7above.

• Apre-tensioner deployingcanbeamply heardevenata
distance of5m (16 ft).
• After pre-tensioner hasdeployed, therubber capissepa-
rated fromcylinder headbygas generated duringdeploy-
ment.

•

• Move screwdriver orsimilar ferrous metalclosetothe mag-
net built intotherear ofsensor case.Ifitis attracted, pre-
tensioner hasnotdeployed yet;ifit is not attracted, pre-
tensioner hasalready beendeployed.

CAUTION:
Be extremely carefulnottoapply anyimpacts tothe pre-ten-
sioner untilyouareabsolutely surepre-tensioner hasbeen
deployed.
RS-23

SBF276H
SUPPLEMENTAL
RESTRAINTSYSTEM(SRS)

Disposal ofAir Bag Module andSeat Belt
Pre-tensioner (Cont'd)

DISPOSING OFAIR BAG MODULE ANDSEAT BELT
PRE- TENSIONER

Deployed airbag module andseat beltpre-tensioner arevery
hot. Before disposing ofair bag module andseat beltpre-
tensioner, waitatleast 30minutes. Sealthem inaplastic bag
before disposal.

CAUTION:

• Never applywater toadeployed airbag module andseat
belt pre-tensioner.
• Besure towear gloves whenhandling adeployed airbag
module andseat beltpre-tensioner.
• Nopoisonous gasisproduced uponairbag module deploy-
ment. However, becareful nottoinhale gassince itirritates
throat andcancause choking.
• Donot attempt todisassemble airbag module andseat belt
pre-tensioner.
• Air bag module andseat beltpre-tensioner cannotbe
re-used.
• Wash yourhands cleanafterfinishing work.

RS-24

TROUBLEDIAGNOSES -Supplemental RestraintSystem(SRS)
How toPerform TroubleDiagnoses forQuick
and Accurate Repair

A good understanding ofthe malfunction conditionscanmake troubleshooting fasterandmore accurate.
In general, eachcustomer feelsdifferently aboutaproblem. Itis important tofully understand the
symptoms orconditions foracustomer complaint.

INFORMATION FROMCUSTOMER

WHAT Vehiclemodel
WHEN Date,Frequencies
WHERE Roadconditions
HOW Operatingconditions, Symptoms

PRELIMINARY CHECK

Check thatthefollowing partsareingood" order.
• Battery [RefertoMA section ("GENERAL MAINTENANCE").]
• Fuse [Refer toEL section ("Fuse", "POWER SUPPLYROUTING").]
• System component-to-harness connections

DIAGNOSIS FUNCTION

The SRS self-diagnosis resultscanberead byusing "AIRBAG" warning lampand/or CONSULT.

USING WARNING LAMP
USINGCONSULT
User mode Diagnosismode
Dual airbag system
X
X X

Single airbag system
X

Seat beltpre-tensioner

The reading ofthese results isaccomplished usingoneoftwo modes -"User mode" and"Diagnosis
mode".
The User mode isexclusively preparedforthe customer (driver).Thismode warns thedriver ofasys-
tem malfunction throughtheoperation ofthe "AIR BAG" warning lamp.
The Diagnosis modeallows thetechnician tolocate andinspect themalfunctioning part.
The mode applications forthe "AIR BAG" warning lampandCONSULT areasfollows:

User mode Diagnosis
mode Displaytype
"AIR BAG" warning lamp
X
X
ON-OFF
operation
CONSULT
X

Monitoring

Seat beltpre-tensioner cannotbediagnosed byusing warning lampand/or CONSULT. Whenseatbelt
pre-tensioner isrequires servicing, visuallycheckseatbeltpre-tensioner assembly.Ifdamaged, replace
with anew one.

DIAGNOSIS MODEFORCONSULT (ForDual AirBag System)

• SELF-DIAG RESULTS
A current Self-diagnosis result(alsoindicated bythe number ofwarning lampflashes inthe Diag-
nosis mode) isdisplayed onthe CONSULT screeninreal time. Thisrefers toamalfunctioning part
requiring repairs.

RS-25
•

SRS102
TROUBLE
DIAGNOSES -Supplemental RestraintSystem(SRS)
How toPerform TroubleDiagnoses forQuick
and Accurate Repair(Cont'd)

• ECU DISCRIMINATED NO.
The diagnosis sensorunitforeach vehicle modelis
assigned withitsown, individual classification number.This
number willbedisplayed onthe CONSULT screen,as
shown atleft. When replacing thediagnosis sensorunit,
refer tothe part number forthe compatibility. After
installation, replacement withacorrect unitcan bechecked
by confirming thisclassification numberonthe CONSULT
screen.

For NISSAN modelN15,thediagnosis sensorunitclassifi-
cation number assigned is09.

•
ECU DISCRIMINATED No.•

ECU No.

09

RS-26

TROUBLEDIAGNOSES -Supplemental RestraintSystem(SRS)
How toPerform TroubleDiagnoses forQuick
and Accurate Repair(Cont'd)
CAUTION:
• Donot use acircuit testertocheck SRSharness connectors unlessinstructed tointhis Service
Manual. Fordual airbag system, SRSwiring harnesses arecovered withyellow insulation either
just before theharness connectors orfor complete harness,foreasy identification.
• Donot attempt torepair, spliceormodify theSRS wiring harness. Ifthe harness isdamaged, replace
it with anew one.
• Keep ground portionclean.
WORK FLOW
ACTIONITEM
Check in.
Listen tocustomer complaints andrequests.
Perform preliminary check. REFERENCE
ITEM

-+-1
Preliminary check(RS-25)
Perform self-diagnosis using"AIRBAG" warning lamp.-User
mode
Single
air bag
system Dual
airbag
system Single
airbag
system DIAGNOSTIC
PROCEDURE1

-+-
or7(RS-32, 43)
Dual
air bag
system Inspect
malfunctioning part.-Diagnosis mode
Perform self-diagnosis usingCONSULT.

OR

Perform self-diagnosis using"AIRBAG" warning lamp.
Repair/Replace •
DIAGNOSTIC PROCEDURE
2: Using CONSULT (RS-33)
• DIAGNOSTIC PROCEDURE
3: Using "AIRBAG" warn-
ing lamp (RS-34)

•

NG Final check -Diagnosis modeandUser mode
OK
Check out
RS-27 •
DIAGNOSTIC PROCEDURE
2: Using CONSULT (RS-33)
• DIAGNOSTIC PROCEDURE
3: Using "AIRBAG" warn-
ing lamp (RS-34)
DIAGNOSTIC PROCEDURE1
or 7(RS-32, 43)

TROUBLEDIAGNOSES -Supplemental RestraintSystem(SRS)-
Dual AirBag System
Schematic

FUSE

DUAL
AIRBAG SYSTEM

DATA LINK
CONNECTOR
FOR CONSULT

o
FUSE
COMBINAnON
METER
(AIR BAG
WARNING
LAMP)

19
3
2120

4
5
6

2
15

17
AIR
BAG
DIAGNOSIS
SENSOR UNIT
SPIRAL
CABLE
AIR BAG
MODULE
DRIVER'S
SQUIB SIDE AIR
BAG
MODULE
PASSENGER
SQUIB SIDE

RS-28
-

DOOR SWITCH
DRIVER'S SIDE

HRS002