Yamaha F150B, Service Manual

Page: 112 / 458

4-7
TRBL
SHTG
Troubleshooting
19
B
a
tt
er
y v
o
lt
ag
e
malfunc
tion
Belo
w s
p
ecified
vo
lt
a
g
e
C/
E
E
ngin
e
do
es
n
o
t re
st
ar
t (*1
)
En
gine
o
p
e
r-
at
es no
rm
a
lly
unles
s
it is
st
op
ped
(*
1)
De
pe
nds
o
n
ba
tt
er
y
con
-
dit
ion
1.
Chec
k th
e ba
tt
er
y
cap
a
cit
y
an
d sp
ecif
ic g
ra
v
ity
.
10-
4
2.
Chec
k th
e f
u
se
.
5
-2
A-7
3.
Chec
k th
e ba
tt
er
y
cab
le
a
nd
te
rm
in
als f
o
r pr
op
er
con
nec-
ti
on.
—
4.
Chec
k t
h
e lig
ht
ing
coil o
u
tp
u
t
pe
ak v
o
lta
g
e
.
5-
26
5.
Mea
s
ure
t
h
e light
in
g co
il
re
si
s
tan
ce
.
5-
26
6.
Mea
s
ure
t
h
e
Re
ct
if
ier
Re
gu-
lat
o
r
o
u
tp
u
t pe
ak v
o
lt
age
.
5-
26
7.
Chec
k th
e Rectif
ier
Re
gu
la-
to
r f
o
r
contin
uity
.
5-
26
8.
Chec
k f
o
r wir
ing
contin
uity
be
tw
een
t
h
e
Re
ct
if
ier
Re
gu-
la
to
r an
d fu
se
.
A-7
2
3
In
ta
k
e
te
mp s
e
n
-
s
o
r malfunction
Ou
t o
f specif
ica-
tio
n
C
/E
Higher idle
speed
—
1.
Chec
k th
e air
t
e
mpe
rat
ur
e
u
s
in
g th
e
Y
D
IS
.
5-
31
2
.
M
e
asu
re th
e a
ir te
m
p
e
rat
ur
e
sensor
inpu
t v
o
lt
ag
e
.
5-
31
A-5
3
.
M
e
asu
re th
e a
ir te
m
p
e
rat
ur
e
sensor
resist
ance
.
5-
31
4.
Chec
k f
o
r wir
ing
contin
uity
be
tw
een
t
h
e
air
t
e
m
per
at
ure
sensor
and
e
n
g
ine ECM.
5-
31
A-5
Descr
ip
tio
n
of (*1
) in
the
“Symptom” col
u
mn
is sh
o
w
n
in
the
“Remar
ks
.”
T
roub
le
code
Item
C
o
ndition
La
n ga
u
g
e
displa
y
Symp
to
m
R
e
m
ar
ks
Ch
ec
king
st
eps
Ref
e
r to
p
age