1993 NISSAN SERENA Service Repair Manual

TROUBLE
DIAGNOSES f6/il
E Diagnoslic
Proc€dure I -
High ldling
after
tr
a 2-.
ri {MOOEL!
WTTH
CATALER ONLY)
3'Do63lh6oiqin0$€€ddlop?
j'ch6.klhal|h'onbLnraq6mo€s
EF & EC-237

INOUBLE
DIAGNOSES
r4aEEir !i
EEEE
ntrntr
3 Diagnoslic
Prccedu.e
2 -
Huntlng
{noDELs wmi
cArALr2ER or{rY)
when d sonmdhs each injeror GObE
EF & EC238

TNOUBLE
DIAGNOSES TdFI
Diagnoslic Procedure
2 -
Hunling (Contd)
o
whsi p
ich is b ow by h@e
{ dedns
rh. brof,.by 3ir suppry), doss rhs onsins
clrEcK Ec.F.
coNrFoL var.vE
EF & EG239

TROUBLE
DIAGNOSES fEi]
E i rdr€rrjr
!
t-
EE
NE m
!."1
E "i!tq Diagnoslic
Prccedure 3 -
ljnstable ldle
tr
E whei
d sonned ie
6ach inj*br cobEi
(c6nk ais s sen6or hahss 6i-
^ero, rhourd coa i connebn
)
2. gnrionswrchoN
(Do
nor sbd
by haid does
each i^teror
mak€ an
EF & EC.240

TNOUBLE
DIAGNOSES
E Dlagn@tc
Rocedure
3 -
Un6iable ldle (Cont'd)
6
I
imM,,c' ',io F,rLE
a 1
Rsrsa6s rm p€6&,€bzem
(Rdar
(26 b!r, ,5 ksbnr, s
FD
Dm und&
@ €d (snsii€
s
2'Mdntainig€ig]malzm
EF & EC241

TROUBLE
DIAGNOSES
Diagnostic Procedure
3 -
Unsrabb ldle (Cont
d)
EF & EC-242 €)
wh3n P dch
is b 4-by hose (
ee'ins
be b d'-by
an 3upp y),
doss rhs sis ns
g 1. PS'IOM '1GN
T]M]NG ADJ" iN
675+50 lpm (
n N"pdsiron)
oy tum ns d 3 sFd adjusinq
kP. (b.r,
ksbn',
Edt3$ 'pr
kp. (b,i
ktcm,, p.rr350
ipn
Dfi.€cb.l}a&hcy d4
kPd (b.i
rq/cm,,
i€iF50 Dm

TNOUBLE
DIAGNOSES -dt
tr Procedure
4 -
Hard to Slart or
to Start when the Engine
is Cold
Diagnostic
lmpossible
tr
E ffi< I
(cEnk anqrs sansor ham€ss ofr
i4b, shourd rerui codn*r€d.)
2. Tun iqniion sw bh oN. (Do
ioi dan
by Mid, d6 eeh
4eb h*e
an
EF & EC-2i13

TROUBLE
DIAGNOSES
E Diagnostic
Procedue 4 -
Hard to Slart or
lmpossible to Siart when the Engine is Cold
(Confd) @
m, bd rhb h 'a'6t rb ca3.
ECr244