Yamaha WR250F 2016 Owner's Service Manual page 421

LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
SENSOR OPERATION TABLE
Diag-
nostic
code
No.
01 Throttle position sensor sig-
nal
• Fully closed position
• Fully opened position
03 Intake air pressure
05 Intake air temperature
06 Coolant temperature
07 Vehicle speed pulses
08 Lean angle sensor
• Upright
• Overturned
09 Monitor voltage
21 Neutral switch
• Gear in neutral
• Gear not in neutral
60 EEPROM fault code display
• No fault
• CO adjustment value
• Setting tool adjustment
values 0–8 for fuel injec-
tion amount or ignition tim-
ing
61 Malfunction history (
code No. display *1
• There is no history.
• There is some history.
Item
• 11–14
• 109–116
Displays the intake air pres-
sure.
Displays the intake air tem-
perature.
When engine is cold: Dis-
plays temperature closer to
air temperature.
When engine is hot: Displays
current coolant temperature.
Vehicle speed pulse
0–999
Displays the output voltage.
• 0.4–1.4
• 3.7–4.4
Displays the fuel system volt-
age.
• Approximately 12.0 (V)
• ON
• OFF
• 00
• 01
• 07
)
• 00
• Other: Displays the fault
code of (
Display
).
10-6
Procedure
• Check with throttle valve
fully closed.
• Check with throttle valve
fully open.
Operate the throttle while
pushing the start switch. (If
the display value changes,
the performance is OK.)
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.
Check that the number in-
creases when the front
wheel is rotated. The num-
ber is cumulative and does
not reset each time the
wheel is stopped.
Remove the lean angle
sensor, and incline it more
than 45 degrees.
—
Operate the shift pedal.
—
—