wheel YAMAHA WR 450F 2016 Repair Manual

TROUBLESHOOTING
10-4
7. Wheel (s)• Incorrect wheel balance
• Broken or loose spoke
• Damaged wheel bearing
• Bent or loose wheel axle
• Excessive wheel runout
8. Frame • Bent frame
• Damaged steering head pipe
• Improperly installed bearing race
EAS2GC1422HEADLIGHT DOES NOT COME ON
Electrical system
1. Headlight• Fuse open circuit
• Wrong headlight bulb
• Too many electrical accessories
• Hard charging
• Incorrect connection
• Improperly grounded circuit
• Poor contacts (start switch)
• Burnt-out headlight bulb
EAS2GC1423HEADLIGHT BULB BURNT OUT
Electrical system
1. Headlight
• Wrong headlight bulb
• Faulty battery
• Faulty rectifier/regulator
• Improperly grounded circuit
• Faulty start switch
• Headlight bulb life expired
EAS2GC1424TAILLIGHT DOES NOT COME ON
Electrical system
1. Taillight• Wrong taillight LED
• Too many electrical accessories
• Incorrect connection
• Faulty battery

LIST OF SELF-DIAGNOSTIC AND FAIL-SAFE ACTIONS
10-6
SENSOR OPERATION TABLEDiag-
nostic code No. Item Display Procedure
01 Throttle position sensor sig- nal
• Fully closed position
• Fully opened position • 11–14
• 109–116 • Check with throttle valve
fully closed.
• Check with throttle valve fully open.
03 Intake air pressure Displays the intake air pres- sure.Operate the throttle while
pushing the start switch. (If
the display value changes,
the performance is OK.)
05 Intake air temperature Displays the intake air tem- perature.Compare the actually mea-
sured intake air tempera-
ture with the Yamaha
diagnostic tool display val-
ue.
06 Coolant temperature When engine is cold: Dis- plays temperature closer to
air temperature.
When engine is hot: Displays
current coolant temperature.Compare the actually mea-
sured coolant temperature
with the Yamaha diagnostic
tool display value.
07 Vehicle speed pulses Vehicle speed pulse 0–999Check 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.
08 Lean angle sensor • Upright
• Overturned Displays the output voltage.
• 0.4–1.4
• 3.7–4.4 Remove the lean angle
sensor, and incline it more
than 45 degrees.
09 Monitor voltage Displays the fuel system volt- age.
• Approximately 12.0 (V)—
21 Neutral switch • Gear in neutral
• Gear not in neutral •ON
•OFF Operate the shift pedal.
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 •00
•01
•07
—
61 Malfunction history ( ) code No. display *1
• There is no history.
• There is some history. •00
• Other: Displays the fault
code of ( ). —