Yamaha F200B, Service Manual

Page: 112 / 579

4-11
TRBL
SHTG
Troubleshooting
24
Ca
m posit
ion
se
nsor
(
EXH)
malfunc
tion
Irr
e
g
u
lar
sig
n
a
l
C
/E
De
gr
ad
ed
a
c
c
e
le
ra
tio
n
pe
rf
or
m
a
n
c
e
Declin
ing ma
xim
u
m en
gin
e
sp
eed
<Dif
fe
re
nce in en
gine
id
le spee
ds>
—
M
e
as
ur
e
th
e c
a
m
p
o
s
itio
n
se
nsor
inpu
t volt
ag
e.
5-
34
M
e
as
ur
e
th
e c
a
m
p
o
s
itio
n
se
nsor
out
pu
t volt
ag
e.
5-
34
Ch
eck
fo
r co
nt
inu
ity bet
wee
n
th
e ca
m posit
ion
sen
s
o
r an
d th
e
eng
ine
ECM.
5-
34
A-3
Ch
eck
fo
r co
nt
inu
ity bet
wee
n
th
e ca
m posit
ion
sen
s
o
r an
d th
e
main relay
.
5-
34
A-3
C
h
e
ck th
e ed
ge
a
n
d
f
a
c
e
of
th
e
fl
an
ge
o
n
th
e
ca
ms
ha
ft
.
7-
50
27
Wa
te
r in f
u
e
l
Wa
te
r in f
uel
W/F
A
le
rt
buzzer
co
mes
on
in
te
rmit
te
n
tly
whi
le th
e ge
ar shif
t
is in th
e N
po
sitio
n
—
C
h
e
ck
fo
r w
a
te
r in
th
e
fu
el
filte
r.
—
M
e
as
ur
e
th
e w
a
te
r d
e
te
c
tion
swit
ch inpu
t
volt
ag
e.
5-
43
Ch
ec
k
t
h
e
wa
te
r
de
te
ct
ion
s
witch for continuity
.
5-
43
Ch
eck
fo
r co
nt
inu
ity bet
wee
n
th
e wat
e
r
d
e
te
cti
on swit
ch an
d
th
e en
gine
ECM.
5-
43
A-5
28
Sh
if
t po
sit
io
n
s
witc
h
malfunc
tion
Ir
re
gula
r signa
l
C
/E
L
o
w eng
ine id
le sp
ee
d
<Dif
fe
re
nce in en
gine
id
le spee
ds>
—
Ch
eck t
h
e
g
e
a
r
shif
t
op
er
at
ion
.
10-
6
M
e
as
ur
e th
e ne
u
tra
l switc
h
inp
u
t
vo
lt
age
.
5-
63
C
h
eck the neut
ral
sw
itch
for
co
nt
in
u
ity
.
5-
63
Ch
eck
fo
r co
nt
inu
ity bet
wee
n
th
e
ne
ut
ra
l switch
a
nd
th
e
eng
ine
ECM.
5-
63
A-3
29
In
ta
ke
p
re
s
s
se
nsor
malfunc
tion
Ou
t o
f
specification
C/E
D
eg
ra
de
d acce
ler
a
ti
on
p
e
rf
o
rma
nce
Ign
itio
n tim
ing
is s
e
t to
t
h
e
ma
xim
u
m
re
ta
rd
a
n
g
le
M
e
as
ur
e th
e air
p
ress
u
re
se
ns
or
input voltage.
5-
57
Ch
eck
fo
r co
nt
inu
ity bet
wee
n
th
e air
p
re
s
su
re sen
s
o
r an
d th
e
eng
ine
ECM.
5-
57
A-7
M
e
as
ur
e th
e air
p
ress
u
re
se
ns
or
out
p
u
t volt
ag
e.
5-
57
Tro
ubl
e
code
It
em
C
o
n
d
ition
LAN gau
ge
dis
p
la
y
Symp
to
m
R
e
m
ar
ks
Che
c
king
st
ep
s
S
ee
pa
ge