1993 NISSAN SERENA Service Repair Manual

TROUBLE
DIAGNOSES
S€lf-diagnosis (Cont'd)
HOW lO
SWTTCH MODES
@ B"^":l;:l;*r:""
[JI
Swilching lhe nodes ls not p@gibl€
whs the eng're B
When th€ ignition swid! ir tumed
off duing di.gn@b In
each mod., .nd llEn tuh.d b.ck
on again aft6r pder
to
lhe E'c.U. hs drcpp€d ofi @mpletely,
ihe diagnGia sil
autfratiellv rErum io itod. L
EF & EC-221
(ttl
({l

TROUBLE
DIAGNOSES
Selfdiagnosis -
Mode I
MODE I _
BULB CHECK
In this mode,
rhe FED L.E.D. in
th6 E.c
U.
and rhe
CHECK
ENGINE LIGHT n lh€ insltum€nl panelsl,ay
"ON'.
ll elrher€main "oFF
, checkrhe
bllb in rhe cHEcK ENGINE
LIGHT or lhe RED
L E.D
MODE I _
MALFUNCTION WAFNING
. Th6
FED LE.D..nd OE CHECK ENGINE LIGHT
{llltun oli
when nomal @ndnlo is deleted.
Sell-diagnosis -
Mode ll (Selfuiagnostic
results)
DESCFIPnON
In this mode, a mallunclion code ls lndi€l€d bylh€ numbd ol
llashes iioh
the FED L.E.D. orlhe CHECK ENGINE LIGHT as
LonA (0.6
s€6nd) blinking ind
€les the number ot len dtgis
and shorr (o.3
s€6nd) blinkng indicates
the nudber ot singto
digils.
Fof exampl6, rh6 r€d L.E.D. f.sh€s once lor
0.6 se@nds and
then itllashes lwice lor 0.3 s€@nds. Th s ind
€tes the number
''l2 and €f6rc lo a malfuncton in
the a r llow meter. tn fi s
'' " ns ar€ c. code nJnbers.
ol.Drav @de t bre
EF &EC-22

TROUBLE
DIAGNOSES
Seltdiagnosis -
lvlode ll (S€fdiagnostic
resllts) (Cofrt'd)
. Han@
dd cordsr (i
har
. re aL ' d n.'6'
ciau I r,
op€n or shon6d.
{An
abnoruly hgh o, |fl Voltage b ente€d') .
Ham6E ad condo,
0r ha.
nar repre a ' rd meb'.)
(An abmmdy hieh o' n ourput whse s
€nb'6d du'ins 6n9rio
cEnktiq 01 tunning.
(4. ab^omart hish or rd voiase
c eilercd.)
EF &EC-223

TROUBLE
DIAGNOSES
Seltdiagnc9is -
Mode ll (Sefdiagnostic
relults) (Contd)
FEIENNON OF D|AGNOSNC FESULTS
The dlagnostic results wlr €main in
E.c u.m€mory unli lhe
staft6r is op6aned fifly times alter a diagnclic tem has been
tudqed lo
b6
mstunclioning. Th6 diagnostic reslll willlhsn be
canceled aulomali@lly. ll a diaqnostic ilem
whl.h has been
tudq€d ro
be malfuncloning and sto@d in memory is again
tudasd to
be malluncrioning bolorB rhe $anor is opeal€d litry
lim€s, ih€ *cond resull wll €Dlsce the
Drcvious one.
ll wil be
.ror6d in E.c.u. m€mory unli lh€ siad€r is ope€ted fftylim€s
Th€ maliunclion cod€ is €rased frcm
lhe ba.klp menoryo.lhe
E.C.U. when lre diagnoslic node is chansed Ircm Mod€ rrro
irod€ L lB6l€r to How To swlTcH MoDEs".l
. wh.n
th. bstt6ry t6min.l b disnEr.d. ih6 mlturE{on
cod. will b6 kat fM th€ bdop nmdy sfihln 24 houB
. Do
not .Es th. atoEd Mory h.loE h€glnnlnq
*{iF
V7V777X
^.,,.,""'"^
a en(coihdtFhr
HOW TO EBASE SELFDIAGNOSNC FESULTS
EF & EC-224

TROUBLE
DIAGNOSES
Selfdiagnosis -
Mode ll (Exhausl gas
s€nsor
monilor -
Models wllh catalyzer
only)
DESCFIPnON
Inlhis mod6,lh6 CHECK ENGINE LjGHTand
FED L.E.D. dis-
play lhe @nd'tion d fte lue
riere
{l6dn o
ch) wrich is
monirored by lhe exhausl gas
s6nsor.
*: Mahb ns condiions jusr
bs.orc sw
HOW TO CHECK E.XHAUSI
GAS SENSOR
1. S6t Mode 1l
lReler to "How To swtTcH MoDEs".l
2 Slal engre cnd wa a i up
unrle.qne coola.t lenped
ur€ ird eror poinc
to rhe
m ddte ol ^e
gauge.
-
3 BJn eng'ne ai aboJr 2,ooo
?n tor
aooui2;n-ter
Jnde'
no]oad condilions.
4. Mak6 su€ REO L.E.D
or CHECK ENGTNE LtcHT oo€s
O .rd OFr no'. rhan
5 [Tes evea -O
s€lonos: ;€a.
su€d at 2.o0o
Dm u.derno-toad.
EF &ECJ%

INOUBLE
DIAGNOSES
CONSULT START
SUB MODE
It s.oM;rom
El
--- rcR
sumi---t
I sfi,rcmu--
I oAl"ffi--
-6w6----
| EllNa- Consult
CINSULT INSPECNON PFOCEEIJFE
1. Tum
otl igniliof
swiich.
2, Con.ecl 'CONSULT'
lo diaqnosr c 6nn6crof.
(DiasnGlic .onnector is
located behind the luse box
6. Pedom .ach diag.oslic
mode acbrding to th€ inspectio.
ForturtlEr n
4madon, @ th. @NSULT
Op.cttd Manu6l
i!
i it'--/--{l: tr{ |
V1.1\:;fi
EF & EG226

TROUBLE
DIAGNOSES
Corcdt (Cor 'd)
,E.C.C.S. COMPONENTPAFTSAPPUCAIION
FUNCNON adjud som dsv.ss rasrd md
EF &Eo27

TNOUBLE
DIAGNOSES
Consuli (Cont
d)
WOFKSUPPOFTMODE
S€LF.DIAGNOSNC FESULTS MOOE
*h'€lbflgnsspdshighelhaih6speid (
I ham€s aid conneto' ac
noma@la€cGnkaigrs
(An abiomary hish dr tu vdrbse
B edordd
) (lr
han€ss aid conieto, arc
(An diomarry hish or ow odpur vonaqe ,s
(An abnomary hish or row vo
rase 6 enrered
)
EF & EG228