1995 NISSAN ALMERA N15 Service Manual

SEATBELTS
Rear SeatBelt
4-DOOR SEDAN

CD
Remove rearseat. Refer to"SEAT" inBT section fordetails,

@
Remove rearpillar garnish andrear parcel shelffinisher. Referto"INTERIOR TRIM"inBT section
for details.

@)
Remove trunkroomtrim.Refer to"INTERIOR TRIM"inBT section fordetails.

@
Remove eachanchor bolt.

@
Remove thebolt securing rearseat beltretractor, thenremove seatbeltretractor.

SEC. 869

~q.

5 '","" ~ ~

/" ~-A
43-55 (4.4 -5.6, 32-41)

/
----
""
\

•

MRS109A
Anchor
bolt

~ 43-55 (4.4 -5.6, 32•41)

~ :N.
m
(kg-m, ft-Ib)

RS-5

SEATBELTS
Rear SeatBelt(Cont'd)
3-DOOR HATCHBACK

• Before removing seatbelt,open backdoorandremove tonneau board.

CD
Remove rearseat. Refer to"SEAT" inBT section fordetails.

@
Remove rearparcel shelfsideescutcheon andluggage sidelower finisher. Referto"INTERIOR
TRIM" inBT section fordetails.

@)
Remove shoulder anchorcover.

@
Remove eachanchor bolt.

CID
Remove thebolt securing rearseat beltretractor, thenremove seatbeltretractor.

SEC. 869

to;J :
N'm (kg-m. ft-Ib)

RS-6
---------

)
/

Anchor bolt
I'll

..... [OJ
43•55

~ (4.4•5.6, 32-41)

Anchor bolt

to;J
43-55 (4.4 •5.6, 32-41)

MRS110A

SEATBELTS
Rear SeatBelt(Cont'd)
5-DOOR HATCHBACK

• Before removing seatbelt,open backdoor andremove tonneau board.

CD
Remove rearseat. Refer to"SEAT" inBT section fordetails.

@
Remove rearparcel shelfsidefinisher andluggage sidelower finisher. Referto"INTERIOR TRIM"
in BT section fordetails.

@)
Remove shoulder anchorcover.

@
Remove eachanchor bolt.

@)
Remove thebolt securing rearseat beltretractor, thenremove seatbeltretractor.

SEC. 869

~ :N.m (kg-m, ft-Ib)

RS-7Anchor
bolt

~ 43-55 (4.4 -5.6, 32-41)

MRS111A
•

SUPPLEMENTALRESTRAINTSYSTEM(SRS)
Precautions forSRS "AirBag" and"Seat Belt
Pre-tensioner" Service

• Donot use acircuit testertocheck SRScircuits.
• Before servicing theSRS. turnignition switch"OFF", disconnect bothbattery cablesandwait forat
least 10minutes.
For approximately 10minutes afterthecables areremoved, itis still possible forthe airbag to
deploy. Therefore, donot work onany SRS connectors orwires untilatleast 10minutes havepassed.
• For single airbag system, donot separate diagnosis sensorunitfrom steering wheel.
• For dual airbag system. diagnosis sensorunitmust always beinstalled withtheir arrow marks
"Q"

pointing towards thefront ofthe vehicle forproper operation. Alsocheck diagnosis sensorunitfor
cracks. deformities orrust before installation andreplace asrequired.
• The spiral cablemustbealigned withtheneutral position sinceitsrotations arelimited. Donot
attempt toturn steering wheelorcolumn afterremoval ofsteering gear.
• Handle airbag module carefully. Alwaysplaceitwith thepad side facing upward.
• Donot use oldbolts afterremoving anySRS parts; replace withnewones. Conduct self-diagnosis
to check entire SRSforproper function.
• For dual airbag system, instrument panelassembly shouldbereplaced afterairbag inflates.

X

X

Use
forspecial bolts
[TAMPER RESISTANT
TORX (SizeT50))

a:
3.5 (0.138)
dia.

b: 8.5 -8.6
(0.335 •0.339) dia.

c: approx.
10

(0.39) sq.

c

NT354
a

HT61961000
and
HT62152000 com-
bined *1 Special torxbit
Special
Service Tools

Application
Tool number
Description Seat
belt DualAir Single
Tool name
pre-ten-BagAirBag
sioner*2 Sstem Sstem
KV991072So Disposingofair bag
Air bag deployment kit module
KV991 06400
X
X

Deployment tool
KV991065So
Deployment tool
adapters
X

For passenger
air bag module
NT353

KV991 05300 Anchorthepassenger
Passenger airbag
airbag module
bracket
X

NT361
Unit:
mm(in)

*1: Special toolorcommercial equivalent
*2: Tools arenotapplicable becauseofits mechanical type.

RS-8

SUPPLEMENTALRESTRAINTSYSTEM(SRS)
Description

The airbag deploys ifthe diagnosis sensorunitactivates whiletheignition switchisinthe "ON" or
"START" position.

Single anddual airbag systems

Ignition
switch

(ON orSTART)
Driver
air
bag module
Diagnosis sensorunit
• Auxiliary powersource (condenser)

• CPU

Battery

Seat beltpre-tensioner

G-Iorce whendecelerating
(greater thanthepredetermined setting)
o

Drive circuit
• G sensor
• Saling sensor Passenger
airbag module
(For dual airbag system)

MRS069AB

Mechanical sensor
Seat belt Mechanical
trigger
Retractor shaft Piston
andwire rope

•

Combined intoseat beltretractor

SRS126
RS-9

SUPPLEMENTALRESTRAINTSYSTEM(SRS)
SRS Component PartsLocation
Dual airbag system andseat beltpre-tensioner
SEC. 251-253-484-680-868 Spiralcable Airbag module
Diagnosis sensorunit
Single airbag system andseat beltpre-tensioner
SEC. 253-484-868 Airbag module
Diagnosis sensorunit
RS-10 MRS114A

SUPPLEMENTALRESTRAINTSYSTEM(SRS)

Visually checkSRScomponents
Diagnosis sensorunit
Check diagnosis sensorunitand bracket fordents, cracks
or deformities.
Check connectors fordamage, andterminals fordeformi-
ties.
Air bag module andsteering wheel
Remove airbag module fromsteering wheelorinstrument
panel. Check harness coverandconnectors fordamage,
terminals fordeformities, andharness forbinding.
Install driversideairbag module tosteering wheeltocheck
fit or alignment withthewheel.
Check steering wheelforexcessive freeplay.
For dual airbag system, installpassenger sideairbag
module toinstrument paneltocheck fitor alignment withthe
instrument panel.

Maintenance
Items

1. Check "AIRBAG" warning lampoperation
After turning ignition keyto"ON" position, "AIRBAG"
warning lampilluminates. The"AIR BAG" warning lamp
will turn offafter about 7seconds ifno malfunction is
detected. If any ofthe following airbag warning lampconditions
occur, immediately checktheairbag system. RefertoRS-32
and 43for details.
The warning lampdoesnotilluminate whentheignition
switch isturned "ON".
The warning lampdoesnotturn offabout 7seconds after
the ignition switchisturned "ON".
The warning lampturns offabout 7seconds aftertheigni-
tion switch isturned "ON",butitturns onorflashes again.

•
MRS115A
•
•
2. (1)
•
•
(2)
•
•
•
•

(3) Spiral cable
• Check spiralcablefordents, cracks, ordeformities.
• Check connectors andprotective tapefordamage.
• Check steering wheelfornoise, binding orheavy operation. •
(4) Main harness andairbag harness (Fordual airbag system
only)
• Check connectors forpoor connections, damage,andtermi-
nals fordeformities.
• Check harnesses forbinding, chafingorcut.

CAUTION: Replace previously usedscrews withnewones.
RS-11

SUPPLEMENTALRESTRAINTSYSTEM(SRS)
Removal andInstallation -Diagnosis Sensor
Unit
CAUTION:
• Before servicing SRS,turntheignition switchoff,disconnect bothbattery cablesandwait foratleast
10 minutes.
• The special boltsarecoated withbonding agentwhiletheother boltisfor ground. Donot use old
bolts afterremoval; replacewithnewones.
• For single airbag system, donot separate diagnosis sensorunitfrom steering wheel.
• For dual airbag system, checkdiagnosis sensorunitforproper installation.
• Check diagnosis sensorunittoensure theyarefree ofdeformities, dents,cracks orrust. Ifthey show
any visible signsofdamage, replacethemwithnewones.
• Check diagnosis sensorunitbrackets toensure theyarefree ofdeformities orrust.
• Always workfromtheside ofair bag module.
• Replace diagnosis sensorunitifithas been dropped orsustained animpact.
SEC. 253~

IT
r
Grou~? bolt~

G ~~ ~
Forward mark
Fr?nt
_--I
d--!
Dia~no:iS senSlrunit

!

Special bOIt~ -

t"'J
15-25 N.m
(1.5 •2.5 kg-m,
11-
18 ft-Ib)
MRS116A REMOVAL
OFDIAGNOSIS SENSORUNIT

1. Disconnect driverandpassenger airbag module connec-
tors. Also, disconnect seatbeltpre-tensioner connector.
2. Remove consolebox.Refer to"INSTRUMENT PANEL"in8T
section.
3. Disconnect diagnosissensorunitconnector.
4. Remove boltandalso remove specialboltsusing the
TAMPER RESISTANT TORX(SizeT50),fromdiagnosis sen-
sor unit.
Then remove thediagnosis sensorunit.

NOTE:
• Toinstall, reverse theremoval procedure sequence.
• After replacement, performself-diagnosis forSRS. Refer to
"Self-diagnosis" fordetails (RS-32andRS-43).
RS-12