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Yamaha WR450F 2021 - Page 384

Yamaha WR450F 2021
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SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
9-13
06 Coolant temperature Displays the coolant tempera-
ture.
Compare the actually mea-
sured coolant temperature
with the Yamaha diagnostic
tool display value.
07 Vehicle speed pulses Vehicle speed pulse
0–999
Check that the number
increases when the front
wheel is rotated. The number
is cumulative and does not
reset each time the wheel is
stopped.
08 Lean angle sensor Displays the output voltage. Remove the ECU, and incline
it 45 or more.
Upright 0.4–1.4 (V)
Overturn 3.7–4.4 (V)
09 Monitor voltage Displays the fuel system volt-
age.
Approximately 12.0 (V)
21 Neutral switch Operate the shift pedal.
Gear in neutral ON
Gear not in neutral OFF
25 Gear position switch Operate the shift pedal.
Gear in 1st or 2nd ON
Gear in other than 1st or 2nd OFF
60 EEPROM fault code display
No fault 00
CO adjustment valve 01
Power Tuner injection cor-
rection setting 0–8, or Power
Tuner ignition timing correc-
tion setting 0–8
07
61 Malfunction history () code
display *1
There is no history. 00
There is some history. Other: Displays the fault code
of ().
62 Malfunction history () code
erasure *1
Replace all () with () by
the operation start process-
ing.
There is no history. 00
There is some history. Other: Displays the total num-
ber of () and ().
Diag-
no
stic
code
No.
Item Display Procedure

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