Service manual
FUEL INJECTION SYSTEM
EAS00905
DIAGNOSTIC MODE
It
is
possible
to
monitor the sensor output data
or check
the
activation
of
actuators with
con-
necting the Fl diagnostic tool to the normal mode
or the diagnostic monitoring mode.
Fl diagnostic tool
90890-03182
YU-03182
Setting the normal mode
NOTE:
The engine
speed,
engine temperature, and fault
code,
if
detected, can be displayed on the LCD
of
the Fl
diagnostic tool when
the
tool
is
con-
nected
to the
vhicle
and is set to the
normal
mode.
1.
Turn the main switch
to
“OFF” and the en-
gine stop switch
to
“RUN”.
2.
Disconnect
the
self diag signal connector
1,
and then connect the Fl diagnostic tool
2
as
shown.
3. Turn the main switch
to
“ON” and start
the
engine.
NOTE:
8 Engine temperature and engine revolution
appears
on
the LCD of the Fl diagnostic
tool.
8 ”POWER” LED (Green) comes on.
8
If a
malfunction
is
detected
in
the system,
“WARNING”
LED
(Orange) comes
on.
How
ever
the
fault code
is not
appears
on the
LCD
of
Fl diagnostic
tool.
4.
Stop the engine.
NOTE:
If
a
malfunction
is
detected
in the
system,
the
fault code appears
on the
LCD
of the Fl
diag-
nostic
tool.
And
also,
“WARNING” LED(Orange)
comes on.
5. Turn the main switch to “OFF” to cancel the
normal mode.
6. Disconnect the
Fl
diagnostic tool and
con-
nect the self diag signal connector.
FI
ifl
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O POWER OWARNING
Fl Diagnostic Tool
©YAMAHA
2100rpm
60°
C
UP MODE
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DOWN
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OPOWER OWARNING
Fl Diagnostic Tool «
YAM
AHA'
Orpm 60 °C
S/D:
12
UP MODE
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DOWN
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