Honda VFR800F 2014 Service Manual page 122

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ELECTRIC STARTER
TROUBLESHOOTING
NOTE:
.
Make sure
the
battery
is
fully charged
and
in good condition'
.
check for a
btown main
fuse
(30
A) and
rro-irr"
tsianilHonNUSTOP;
10
A). (check for
a
short circuit
in
the
related
wires
if
the
fuse
is blown
again)'
.
ihe
starler
motor should operate with the
following
conditions:
-transmissioninneutralorclutchleversqueezedwithsidestandretracted
-
ignition switch
turned
ON with engine stop switch
turned
"O"
-
starter switch
Pushed
Starter motor does
not
turn
1.
Starter
Relay
Switch Operation lnspection
check
the operation
of
the starter
relay switch as above starting conditions (page
6-8)'
Does
the
starter retay
switch
click?
YES
-
GO
TO
STEP 2'
NO -
GO
TO
STEP
3.
2.
Starter Motor lnsPection
Apply battery voltage directly to the
starter
motor and check the
operation'
(A large amount of current
flows'
so
do
not use
a
thin wire)
Does
the
starter
motor turn?
YES
- '
Poorly contacted
starter
motor cable
'
Faulty
stafter
relay switch (page 6-9)
NO -
Faulty starter motor (page 6-5)
3.
Relay Goil Power
lnput Line lnspection
Check
the
power input line of the
starter
relay switch (page
6-8)'
ls
the inPut
line normal?
YES
-
GOTO
STEP4.
NO - '
Faulty ignition switch (page
20-20)
'
Faulty engine stop switch (page
20-21)
'
Faulty starter switch (page
20-2'1)
'
Loose or poor contact of
the
related connector termlnal
OPen circuit
in
wire
harness
4.
Retay Goil
Ground Line lnspection
Check the ground line of
the
starter relay switch (page 6-8)'
ls
the
ground line normal?
YES
-
GO
TO
STEP
5,
NO - '
Faulty clutch
diode
(page 6-10)
'
Faulty clutch
switch
(page
20-22)
'
Faulty sidestand
switch
(page
20-22)
'
FaultY
neutraldiode
(Page
6-10)
'
Faulty starter inhibitor relay (page
2O-26)
^
^.
'
Faulty inhibitor relay related circuit (page 6-9)
'
Loose or poor
contict
of
the
related connector terminal
OPen circuit
in
wire
harness
5.
Starter
Relay
Switch lnspection
Check the
starter
relay
switch
(page 6-9)
ts
the
starter
relaY
switch normal?
YES-Looseorpoorcontactofthestarterrelayswitchconnectorterminal
NO -
FaultY
starter
relaY
switch
Starter motor turns
slowlY
.
Low battery voltage
.
Poorly
connected
battery cables
.
Poorly connected starter motor cable
.
FaultY
starter
motor
6-3

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