FUEL INJECTION SYSTEM
~
..
L ler
2
TIP
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When the Yamaha diagnostic tool is connected to the vehicle, the operation
of
the multi-function meter
and i
nd
icators will be different
fr
om
t
he
normal operati
on.
TROUBLESHOOTING DETAILS
This secti
on
describes the measures per fault code number displayed on the meter. Check and service
the items or components that are the probable cause
of
the malfunction fo
ll
owing t
he
o
rd
er gi
ve
n.
After the check and service of the
ma
lfunctioning part have been complet
ed,
reset the meter display
according to the
re
instatement method.
Fa
ult code No.:
Fa
ult code number displayed on the meter when the engine failed to work normally.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to "DIAGNOSTIC
MODE" on page 8
-3
6.
Fault
code
No
. 12
Item
Crankshaft
position
sensor
:
no
normal
signals
are received
from
th
e
crankshaft
pos
it
ion
senso
r.
Fail-safe
system
Unable to start engine
Unable
to
dr
i
ve
vehicle
Diagnostic
code
No.
-
Meter
display
-
Procedure
-
Item
Probab
le
cause
of
Maintenance
job
Confirmation
of
service
malfunction
and
ch
eck
complet
ion
1 Connection
of
crankshaft Improperly connected -+ Crank the engine.
position sensor coupler. Connect the coupler securely
Fault code number is not dis-
Check the locking condition or replace the wire harness. played
-+ Service is finished.
of the coupler.
Fa
ult code number is dis-
Disconnect the coupler and played
-+
Go
to item
2.
check the pi
ns
(bent
or
bro-
ken terminals and locking
condition
of
the pins).
8-38
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