1993 NISSAN SERENA Service Repair Manual

OUICK.GLOW
SYSTEM E
C,omponent Parta
Basic Check (Cont'd)
WATEB TEMPEBATURE SENSOF
Check warer
lBmp.€turc sensor rcsistance,
KEY.IN SIVITCH
ch€ck @ntinully belween leminals ot key.i. swilch 6n..ctor
IGNITION KEY ANO ALTEBNATOF
EC€96

E.G.B.
SYSTEM
Syatem Dlagram
o
@
@
o
o
o
o
o
o
o
o Pans Locatlon
--/ EF & EC-397

E.G,R,
SYSTEM
Sch6malic Feler to outcK-GLow sYsTEir.
Wiring Diagram
Felef to olJtcK GLow sYsTEM.
De€crlplion
The F
G F
sysrem is d€srgnod ro
contrcr l.e .omation
o, NOr
emission by €circulalng
the exhaust gas
into th6 i.taka
man-
ilod psege
through lhe E.c.B. onrrot valve.
The enqne load
signal is
dot€ci€o wirh
lhe pol6ntion€r€r
insr.ned o. lhe '!el
ijecrion p-mp
cori@l laer. Tre e.g'ne
€eoluiion s€nsof lo€ted
on the oil pump
cov* pod!@s
the
Th€ E.G.R.
contol valve is aclivar€d by
lh€ vacuuh, g.n.€t€d
by rh€ vacuum pump.
E.G.R. @nrrclslenold
vatves aG us6d
lo conv€rl
lhe elecl @l signal fbm rha
contrcl devicg inlo a -
The E,G,B. syst6m is d€acrivated
when ihe wal6r lempeaturc
is low. The w.t€r lempehlue
sensor is oJ lh€ th6mi6tor
type
lhat d6l€cls lh€ r€mDeElure
ai th€ qlind€r
head.
EF & EC-398

E.G.R.
SYSTEM
Inspeclion
ENNFE SYSTEM
1. C h€ck lhe vacuum hoses Io r llatting damaqe snd m prop6r
2. w.m up €ngine
s!fiici€nlly
lwatertenperatu.6 ovor
60oc
3. Placa yow
tinger on E.G.B. co.l@l valve diaphEAm i..ide
lh€ houshg
lo e.sJre lhsl lhe vav€ fLncro-s while
acng
Take @E not lo ld your
fingE q€r
eugh betweei
dla
PftElm and
E.G.R,onlrol vdE
body,
Mek &E ih.l all
hffi conn6io6 .6 drFcted
E5 @NIROL
UNIT OUTPUT SIGNAL
1. Chek vollage
between conlol unir reminals
O, @ and
vo6F ormdre lirh'hn*
o @
E.G.8. CONIAOL VALVE
1. Slpplylhe E.G.B. @nlrolvalv€ with vacuud
using a handy
2. Pla€
a linger
on the valv6 diaphraqm,
and mak€ surc lhat
lhe diaphEgm litls up and down in
€6ponse b lh€ vacuum
. Do
nol {pply lh. v.lv. with
an q6slvely
high wum.
ITIFOTTLE CHAMBEF
CONTBOL
EnsuE lhar rhbrile
chamber conrrcl
slopper wh€.
a vacuum p.€ssu6
ol
(-133mbar, 100 mmHs. -3.9r
inHg)
handy pump
to the vacuum pon. valv€
i. held (clced)
al
approximaiely 13.3 kPa
ls appliedlrcm
a vacuum
EF & EC.39S

E.G.R.
SYSTEM E
@@
oo
E6 N
6E N
tr6 Inspection
(conr'd)
EG.F. CONTBOL SOLENOIO VALVES
Check lh6 solenoid
valves lor nomal oporalion,
allef disoo._
necling lhe onnetor
and a I th
Supply $e solenod vrlv.s
wilh bcttery wllaqe, end ch6.k
whonrer lhe@ 6 @nlmurtv belu€on Dois A,
B and C.
POTENNOMEIEF 1 . D sconn€cr
oolelnlometer @nne.tor
and
@nn€ct ohmm6'
2. Mak6 .ur€ thal lhe rcsidanoe changes wh€n
th6 conrrol
l€v€r opening angl€ ol the luelinjeclion pump
s chang€d.
ENGINE REVOLUNON SENSOR
1. Whi e idling .ng ne, check AC voftaqe acrcss lem nal6
@
and 6).
EnglF ldllng:
appbx. o8v
Ch€c1 ll-ar AC vo
rag6 'nc€a.e6
wl'e. €rqin6 speed is
2. ll vohagB s nor withi. speciti€tlons, @ndlct a @nlinuily
Appd. 5
ko
{@ndnuiry eblilh€O
4 puls3tl
.nlitu doluton
IITATEF TEMPEFATUFE SENSOF
. Check
rsislan@ ol wal€r lempedurc sener.
R.fer ro oulcKclow sYsTElr.
EF & EC.4{X)

E.G.B.
SYSTEM
System Vacuum CirEuil
-l ."'"',"; \
o
o
@
o
o
o
o so
emid v'!a
1M 6d6r
qk)
o
@
o o
EF & EC-401

SERVICE
DATA ANO SPECIFICAI]ONS (s.D.S.}
GENEFAL SPECIFCANONS Iniection
Pump
U$ or adjuslnl€nl value
wfin insblling inl€cdon INSPECTION
ANO AI}IUSTMENT
lNiallarion ol Inlectk
n pump
EF & EC.402

SERVICE
DATA
AND
SPECIFICATIONS (s.D.S.}
Inj€ction Pump (Cont
d)
ffi#
EF & EC-400