1993 NISSAN SERENA sensor

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%

TBOUSLE
DIAGNOSES
tr
E ,;:t,^
s Oiagnostic
Procedure 16 -
Engine Slal|s rvhen
lhe Electrical Load is Hesvy
ll
EEEE
ntr-n when
dk.onnddins aach injsror GobS
(oank ar€ e sensor hamess
@n,
netor shourd .sma i .onna'e
)
3. run ieniion sw bh oN. (Do
nol dad
by haid, does each hl4ror
mar€ ai
EF & EC-264

TROUBLE
DIAGNOSES -dft
Dlagnosllc P.ocedure 23 (Cont'd)
r) Disonnsd c,ank anere ssnw har
2) rum qnioiswir.h
oN'
3) chsk 6iaee b6'w6i '6n ia (b) oo
oo
2) ch€ck hans$ cont i! iv boeeen
bmind 6 md
mohe qdid
L.E,r *' h..*"---6,
3) F€ad cEnk aiqls sensor s
s-
(1. ssna j,
bmn;i
@md @.@
E
E6
@ffi
BECOBD
m6 tr6
EF & EC-275

TROUBLE
DIAGNOSES -d/i-l
Diognoallc Prccedur€ 25
ENGINE TEMPE.TATUFE SENSOR (CoE
No. 'I3)
EF & EC.2m

TNOUBLE
DIAGNOSES fcA
l
Dlagnostic Procedure 30
EXHAUST G
S SENSOR (Not
serilagno€lic item)
EI
s
E
.s tsIi
*".f.*" / ,/A
EF & EG294

TROUBLE
DIAGNOSES
(d.
5m
@ffi Electrical
Componenb Inspection (Cont'd)
CFANK ANGLE SENSOF
1. Fedove d sl bulor lom e.gine. (C€.k
a.qle sensor har
.ess @.n4tor should @ma n.on.ected.)
Di$onneot ignilion wies.
Tuh ignit on switch 'ON
'.
Fotale dislibuior shali slowly by hand a.d check vollage
belween leminars
O, O and
sound
2.
lJ N.G., Gp ac6 dislibulor ass.mbly wilh
c6nk angle sen-
5. Visualychecl
sqna pale
lordamage o' dusr.
AIF FLOW METEF
1. P.d an flow mer€f hahess
connector rubber as shown in
lh€Jigurc it rh6 hahe$
connecior is @.neded.
Tu igniton switch "ON
,
$an.ngine andwarm i !p sutlicientty.
Chek vollag€
belween leminal
GJ and
g@und.
renio si.h oN' (Eis,ne
sropped
)
rdb (Ensh6
s *afrup
suft.ied y.)
5. ll N.G., €move
air llow
meier lom air duol. Ch6ck hor wi€
EF & EC€29

TROUBLE
DIAGNOSES
Elec-tricEl Components Inspection (Cont'd)
ENGINE TEMPEFATUFE SENSOR
1 . Oisnn€ct 6nq ne
lemperaiure sensor hamess @nnector.
2. Ch€.k €. .lane 6 shown i. the tigure.
ll N.G., €place engine lemp€ralu€ s€nsor.
GNMON @IL
1. Disconn.d qniton
co I
harness @.ne.tof.
2. Ch€ck r€sisla.ce
as shown in lhe lguB.
o.o
ll N.G,,
replace ignitio. @it.
P,OWER TFANSISTOA
L Dis@nnecl power
lransistor ham€6.
@nnectoi.
2. Check power
tansislor cont nuily
belwe. lemi.als with a
d gilaltesl€r
as shown n
the iigure.
o.o
lf N.G., €da6 power
l€nsisior.
o
o
o
EF & EC-g'o

TROUALE
DIAGNOSES
Eleclrical Componenls Inspection (Cont'd)
1 . Dis@nn€cr lu6l pump
haness con.ector.
2. che[ r€s eran€ beleeen
le'hmats O and (E).
R6isrEne: Apprdlmatety O,7O -
ll N G. @pace luelpump.
EXHAUST GAS
SENSOF HEATEF
Check es slanG beM6€n t€m'nars (a
and fdj.
Rdisr.ne: 3 -
r,oooo
ll N.G., replace €xhaust gas
se.sor.
THBOTTLE SENSOR
1. Disconnect lhotr. s€nsor h
2. Mak6 sur€ lhal €sislance
between lemimh
@ and
@
crranges wh6n op€nng
lhrcnb valve ma.ually.
I lhbnle s6nsr is
replaced or €mov€d, il is
necessary 10
nslan in proper
posllon,
by lollowina lhe po@dure
as showf
1 l.slal ftrcn|e scnsof body in
lhrcnte chamber Oo mr
lighlen bolls. L6av6 bolls loose.
Connocl lhmnb
.ensor hafress connector.
slan €nQine
and warh i1 up suliiclenlly.
/,a Penorm
THROTTLE SEN ADJ
rn WORK SUP-
Me.surc oulpul voltage ol lhot e sensor
using voll,
5 Adjusl rotating rhroft €
snsor body so lhat ourpur vollage
6. Tlghl€n
mounling bo ts.
7. Ois@inecllh@1l€sensorhamesscofneclortor.l€wsec-
onds and Ih6. reconned
n.
2.
E
@
(!tl
6E
ll N.G., replaB throftle sensoi.
EF & EC-331