water pump NISSAN SERENA 1993 Service Repair Manual

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