Yamaha YZ450FN 2022 Owner's Service Manual page 348

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
Diag-
nostic
Item
code
No.
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 in other than 1st or 2nd • OFF
60 EEPROM fault code display
• No fault
• CO adjustment valve
• Power Tuner injection cor-
rection setting 0–8, or Power
Tuner ignition timing correc-
tion setting 0–8
61 Malfunction history () code
display *1
• There is no history.
• There is some history.
62 Malfunction history () code
erasure *1
• There is no history.
• There is some history.
64 Setting history display
• There is no history.
• There is some history.
• History is unknown (History
data is damaged).
Display
Displays the coolant tempera-
ture.
Displays the output voltage.
• 0.4–1.4 (V)
• 3.7–4.4 (V)
Displays the voltage of the
external battery connected to
the Yamaha diagnostic tool.
• Approximately 12.0 (V)
• ON
• OFF
• ON
• 00
• 01
• 07
• 00
• Other: Displays the fault code
of ().
• 00
• Other: Displays the total num-
ber of () and ().
Displays the presence or
absence of the setting history by
Power Tuner.
• 00
• 01
• 02
9-13
Procedure
Compare the actually mea-
sured coolant temperature
with the Yamaha diagnostic
tool display value.
Remove the ECU, and incline
it 45 or more.
—
Operate the shift pedal.
Operate the shift pedal.
—
—
Replace all () with () by
the operation start process-
ing.
—