Yamaha YZ450F Owner's Service Manual page 346

LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
SENSOR OPERATION TABLE
Diag-
nostic
code
No.
01 Throttle angle
• Fully closed position
• Fully opened position
03 Pressure of suction pipe
05 Intake air temperature
06 Coolant temperature
08 Lean angle sensor
• Upright
• Overturn
09 Monitor voltage
21 Neutral switch
• Gear in neutral
• Gear not in neutral
25 Gear position switch
• Gear in 1st or 2nd
• Gear not in 1st or 2nd
60 EEPROM fault code No.
display
• No fault
• CO adjustment valve
• Power Tuner injection cor-
rection setting 0–8, or
Power Tuner ignition tim-
ing correction setting 0–8
61 Malfunction history (
code No. display *1
• There is no history.
• There is some history.
ITEM
Displays the throttle angle.
• 11–14
• 109–116
Displays the intake air pres-
sure.
Displays the intake air tem-
perature.
Displays the coolant temper-
ature.
Displays the output voltage.
• 1.0 (V)
• 4.0 (V)
Displays the voltage of the
external battery connected to
the Yamaha diagnostic tool.
• Approximately 12.0 (V)
• ON
• OFF
• ON
• OFF
• 00
• 01
• 07
)
• 00
• Other: Displays the fault
code of (
Display
).
9-5
Procedure
• Check with throttle fully
closed.
• Check with throttle fully
opened.
The atmospheric pressure
is displayed on the Yamaha
diagnostic tool.
Compare the actually mea-
sured intake air tempera-
ture with the Yamaha
diagnostic tool display val-
ue.
Compare the actually mea-
sured coolant temperature
with the Yamaha diagnostic
tool display value.
Remove the ECU, and in-
cline it 45 ° or more.
—
Operate the shift pedal.
Operate the shift pedal.
—
—