NISSAN SERENA 1993 Service Repair Manual

TROUBLE
DIAGNOSEIi
Diagnoctic Procedure
37 (Cor 'd)
@
(Poerrhr'rs oi pF*u6
e'rdr).
F.ia|blEdic,lc.''FEnb
EF & EC-320

TROUBLE
DIAGNOSES GAI
Diagnoslic Ptbcedure 38
NEUTRAL SwlTcH (Not
*r{iagno8tic ltem)
-4> ga
. f"+.
@D. -@
EF & EC€21

TROUBLE
DIAGNOSES GAI
Diagnostic Procedure 38 (Cont'd)
2) PA'iOM
"NELJTFAL SW
CIF
2) ch*k mutar swich sisnarin
r)sdshn 6v6'
ro rh. n6ura
, Dieonned
n6ura swirch hanos
2) ch*k ham.s
conr ruit bee*i
bminar o md
bdyodd
t chek
hahess
@didu
t h€seen
E.c.u.bmiE @andromina o
E
-- lasranr--l
BECOFD
E m6
E
EF A EC-322

TROUBE
D|AGNOSES TdFI
DiagnGtic Proc€dur€ 3a (Contd)
F.iatb.Eld'ialcohpoi4ls
EF & EC€23

TROUBLE
DIAGNOSES
lt
E[+ Electrical
Components Inspecton
EC.U. INPUI/QUTPUI SIGNAL INSPECNON
1. E.c.U. is l@ated behind the qLova
bor Forrhl6
in6p€.tion.
€move lhe g
ove box.
2. Fenove E C lJ.
ha'ness potedor.
3. Penom a I
vollage neasuemenls wilh the connecloF @n-
necled. Extend lestei probe
as shown io peiom
€sts eas-
EF & EC-321

TROUBLE
DIAGNOSES -dt
Elec{rical Components Inspection (Cont'd)
JE.C,U. lnsp€ctlon
tabl€
TEEii-Enm-iii:_l sANERY VOLTAGE
II] I1V)
Fadiaro, ran
Gra, (Lm*F8d) BATTEFY
VOLTACE
111 .
I4V)
Rad aro' ratr Gray (N
sh{pd) BATTERY
VOLTAGE (1
1 '
I4V)
SAnEFYVoLTAGE(ir. r4v)
EF & EC425

TNOUBLE
DIAGNOSES
Electrical Components lftpecrion (Contd)
fEi4rojj]fu!nm@l
cffk anq € $ns (aai6€nca
sio.
bndMogtE'lhigh.F.d
cBd 'nqa E6ftor (Posrion,isnau
Doidru.dolmdhlahlF.d
la;iron6iiaF-[l
fianEindh-trsrAFil EATTEFYVOLTACE
(II.
14V)
fildbn ehaF
OFrf
filjrdmjj $irci-dl
MNEFY VOLT^GE (11.
T4V]
fiqjitr fi?Frotrrrl
frrd-trfuah -6-Nf
BANEFY VOLTAGE (11
]4V)
8ANEFY VOLTAGE (I
I ]1!1
EF & EC€26

TNOUBLE
DIAGNOSES
Eleclrical Components
Inspection (Cont'd)
rtillt,iMrrdFFrl MnEFY VOLTACE (rr .14v)
tt.;ims ffihql
SAITEFY voLr^GE (1r .14v)
fEinaim Gim-ins:l
8AnEFY VOLTAGE (11
r4vJ
BAnEFvvoLraGE(11. 14v)
EF & EC-327

TROUBLE
DIAGNOSES -dt
Electric€l Componenls Inspeclion (Cont'd)
EC.U. HABNESS CONNECTOR TEFMINAL LAYOUT
I{I II
I0lt0txlti l0!
I2 3 4 7t;t
t"l l5
t7
]E l92l 2l
22 llJ2 t3l1l5 3637l8 J9
t{t lt0llt
|ilt 11a9l0 ll I3 2321 2l29
30 40 1315L71E
EF & EC32S

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