brake NISSAN SERENA 1993 Service Owner's Manual

PARKING
BRAKE CONTROL
Removal and lnstallation
1. To remove pad{i.g
bake eble, ftst romove cenld con-
Disconnect wariing amp enn€crof.
R6mov€ boll6, slacken
ofi and remove
adjusbng nut.
2.
3.
Inspection
2. 1,
Check.onto lever for woaf or olh€r damage
Check wnes tor disconlinliry or deledo@lon.
3. Checkwahing lamp and
iwitch Feplace I necessary.
4. Ch€ck paris
at each connectino portion
and, it d€lom€d or
5. Wilh lhe pa*ing
brake applied, check if ihe pafting
bdk6
r6v€f sroD
can be Dlshed in.
NOTE:
Wt€n ihE b..k drum h.r
ben mm ex€siGty, it en b6
h.rd to Em@
E h thb c@ bEk€ th.
F*ing bEl€
l€wf
slop by ioElng ft In.ld6lho bhl€ drun, $ th.
bEle.tF! vill
mow to lho 6ni.r et frininun 3tot4
aner th drum ha ben
€mEd in.r.ll |Ew pr*ing
bhke lerer stop,
BB-28

PARKING
BRAKE CONTROL
Adiuslmenl 1 . Adiust
cleaEnce between sh@ and drum as lollow.:
a. Felease parkins
bEke lBv€r
and [email protected]
adjustinq nu.t.
b. Deprcss b€k€ p€dal
lully at least 10 time wilh 6ngin6
2. Plll @ntro lever 4 5 notch€s. Then
adjusi @ntor tev€.
by tunifg adjust n9 nut
3. Pull @mrol lEvBr with spe.ilied
ahou|l ot torc€. Check
ever slok6snd 6n5!r6
snoolh ope€lion.
Nufrb.r ol nd!ch6:
4. Bend parking
bEke waning lamp
swiichptats so lhat
b.ake
waninq ramp comes
on when pafting
b€ke l€ver
is puled
Numb.r of
"A" mtch6
: 1 d bs
8R.29

ANFLOCK
BRAKING SYSTEM
Operatlon (Cont'd)
i; !l
ii*
-ii
VEHICLE SPEED
. The appll€d bal@ @ndldon ls dp6ssEd by a slip €iio, s shown abova. ll lh€ slip
Etio i6
in th.
€ng€ lom 0.15 lo O.3, tha sh€.| hs ad€quarg coh€ nO p€rloma.@,
and d$ minimum siopplng
distan@ €n b€ achi€v€d.
. Th. srip 6rio lomula indi@r€s rhe @nrrcl ol wheel sp@d by rhe bEk6s.
The Aili-lock Sraklng Sysl€m (A-8.S.)
conlrcls b€k6lluid p@su€
usi.s th. 6lip ratios and lock-
Ing @ndlllon @lculaid ontain€d in rh. A.B-S. control unit.
. To adjusl whel sp€.d so lhrr fi6 oprinum 3lip htio
6 b. obiain.d, th. a,a.s, musi s6ns6 wh4l
3p4d sd v€hiolE sp.6d lhrcugh
a wh*l
.pe€d 5en6or.
ll lha bak
i6
appli€d, €speclally in lhe l@ked wh66l condirion, tE whicl6 sp@d
difi€c fom
th€
. All€r
lh6 wh€.| sp€6d chang€. l@n
th€ vohicle
sp*d due to ex@$lve brake for€, th6 A.B.S. dL
culat€s Ehicle.oe€d when lhe €du@d wh@l so4d @ch6s thB minimum.
VEHICLE
SPEED -
WHEEL SPEED
BB-€1

AN'I]-LOCK
BRAKING SYSTEM
COMTFOL UNIT
L@tlon: C{rer @NoL undd dash p5reL
Removal
ACTUATOB L Dlscon.ecibaterycable.
2. DEin b€ke lluid. Reler to changi.g arake Fluid" in
"CHECK AND ADJUSTMENT".
s. Apply dili66nl 6lor€d paint
to each p
p6
enn€.lor and
aclualor to prev€nl
incorccl conneclion.
l/xl
oisconnecl @nne.lor, brake p
pes
and
emove liring nuis and acluator grou.d
cable.
Us lbB nul sErch ro Emm lbE nul*
6. eetll nol
to d.mase erfde ol kake
I ih. &-tl.tor will not b6 iBr.ll.d dirElly
afi.r EmoEl, plug
bdc nuid inl€b .nd out-
let6 to p@nt
enterlnq du6t Into
etuaioi Insiallalion
Altor l.dalladon, 6ill br6k6 tuid. Th6n bled air.
F.fuT IO "CHECK AND ADJUSTMENT' 'Nd
"AIF
BIEEDING" BF.cdEly.
1. Tighten actuator grcund
cable.
2. Connel b.ak6 pip€s
tempoE ly.
5, Conne.t .on.ecior and battery €ble.
. Tighlen tlare nuts ot bake pipes
ro lh€ spec
BR-39

TROUBLE
DIAGNOSES
How to Periorm Trouble
Oiagnoses tor Ouick
and Accuaate BeDair
rNrnoDUcnoN
The A.B.S. sysi€m hai
an eleclonlc contro unil lo conrcr
mator iun.tions. The @ntrcl unit a@pls npur signals
f@m
se.so6 and in$anlv d ves a.lualorc. ll i6
es*nlialthat boih
kinds ol signals are pop6rsnd
sl.ble. At
the sade 1tme, il is
inDorlanl lhar lh€r€.re no
co.ve-xona oroolems such as an
leaks in rh6 boost*
or lines.lack
ot bEke ttuid, oroih6r prob-
rt is
much moE diflicuh to diaanos€
a problen
ihat oe!6
i emnen y
ralh6f lhan
conlinuolsly. l,lost nlemin6nl pob-
l€ns a'€ cLred
by poor
elednc m-noclions or laLlry M'.9
In Ihis
case. carelul checking ol suspicious . rcuits
may hep
P@ve lhe
rcplacemenl ol
Aood pans
A visualcheck only may nol lind
lhe 6ause offie p@bl6ms,
so
a road tesl should b€.aried oul
Betor6 unden.kinq
actuat checks, lake
lust a
i6w minutes
to
lak lo a.uslomer who apprcachos wilh
an A.B.s. comDlainl.
The customgr s a v€ry
sood sour.e
ol inro.malion d
slch
prcbl€ms: especially inGrmit€nt on€s. Thbugh
lhe lalks w h
lhe customer, fnd oul what symploms
are prcsent
and und€r
whal @nditons th€y occur.
Slarl youf
diagno6is by lookng
lor "conv6ntion." p@bems
I El. This is on6 oi Ihe
besi wavs b tolb eshool brake
orcb-
l€mson.n A.B.S
@nlro led
veh c e.
an erecrbnG
checker has b€€n dev€loped
to assist n A.B.s.
Trouble Oiagnoss. Using th6
checkei, a lut diagnoslic l6st
prccedu€ can b€ caried
out in a shon lme.
NISSAN slbngly €@mm€nd th.r rhis
checker be !s6d tof
A,B.S. Trouble Diagnosis.
lf, however, tor
A.B.S. chdk€r is not
availabe, a bsic pinpoint
diagnoslic pro€duE
i6 included
tor
^
,fi;r
r&,
8R.41

WARNING
LAMPS AND BUZZER
Warning Lamps/Schematic
_s*_ ---
* ABsco
ioLL,.rrr
"5:_ f.
IrF -_l
# ts
Eac s:oNiRC- rNli
R! O
L'] @
BRAKE SEAT
8EL- L]N:
T
PARKI NG BRAKE SW: T'ts
ERArE FL!lt,
LE VEL SY! I TCts
OIL PRESSURE
SW: iTts
I,O:L LE !E.
!,NI'
C,l L LE /EL
ENGI NE O; L
LE! EL UNI T
:
c
c)a o
c.-^ o
a666 - -
g\11
=; :a I
=^l
: .l
rn
r:i
.n vi9
a-l]o .III
t; ',,
c G) 60"
9""
:3
c!EL.E,EL
I O ,l
.-- c+l
il L o!!
t -- ALTERNATOR
, FUEL LEVEL SWI -CH
FJE! FI
LIER sWI TCFI
crcvl or.rtr- t L urtt
viE
Ll CONIROL LrNl
I (EQ
T-t
-@F'.rcfr.rl
RH
LH
EL-73