Yamaha YZ450FA 2011 Owner's Service Manual page 276

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Diag-
nostic
Item
code
No.
Coolant tempera-
D06
ture
Lean angle sen-
D08
sor
D30
Ignition coil
D36
Injectors
EEPROM fault
D60
code display.
Actuation
Checking method
or display
Displays the coolant tem-
perature.
• Check the coolant temper-
ature.
Display
Displays the lean angle sen-
sor output voltage.
Display
Remove the ECU and in-
cline it 45° or more.
Check that power is sup-
plied to the ignition coil.
• Check that a spark is gen-
Actuation
erated.
• Illuminates the engine
trouble warning light.
Check that power is sup-
plied to the fuel injector.
• Check the fuel injector op-
Actuation
eration by listening for the
operating sound or by con-
firming the operation visu-
ally.
Displays the abnormal por-
tion of the data in the EE-
PROM that has been
detected as a fault code No.
44.
If code numbers more than
Display
one are detected, the dis-
play alternates every two
seconds to show all the de-
tected code numbers.
When all code numbers are
shown, the display repeats
the same process.
7-14
FUEL INJECTION SYSTEM
Actuation or LCD standard
display values
-20–150°C
Cold engine: Displayed tem-
perature is close to the ambi-
ent temperature.
Warm engine: Displayed
temperature is the current
coolant temperature.
0–5.0 V
1.0V: Upright
4.0 V: Overturned
Actuates the ignition coil for
five times every second.
The "WARNING" LED on the
FI diagnostic tool comes on
each time the fuel injector is
actuated.
Actuates the injector for five
times every second.
The "WARNING" LED on the
FI diagnostic tool comes on
each time the fuel injector is
actuated.
00: No fault
01: CO adjustment valve
07: Power Tuner adjustment
values 0–8 for fuel injection
amount or ignition timing

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