Yamaha YZ450FA Automobile User Manual


 
7-13
FUEL INJECTION SYSTEM
SENSOR OPERATION TABLE
Diag-
nostic
code
No.
Item
Actuation
or display
Checking method
Actuation or LCD standard
display values
D01 Throttle angle Display
Displays the throttle angle. 0–125°
Check with throttle fully
closed.
When throttle is fully
closed:15–19°
Check with throttle fully
open.
When throttle is fully
opened:95–101°
D02 Atmosphere Display
Displays the atmospheric
pressure.
• Measure the atmospheric
pressure.
0–126 kPa
Displays the atmospheric
pressure according to the el-
evation and weather.
Example
0 m above sea level: Approx:
101 kPa
3000 m above sea level:Ap-
prox: 70 kPa
D03
Intake air pres-
sure
Display
Displays the intake air pres-
sure.
Check the intake manifold
pressure.
• Check that the intake air
pressure changes while
the engine is being
cranked.
0–126 kPa
While the engine is stopped:
Displays the atmospheric
pressure according to the el-
evation and weather.
Example
0 m above sea level: Approx:
101 kPa
3000 m above sea level:Ap-
prox: 70 kPa
While the engine is being
cranked: Displays the intake
air pressure.
D05
Intake air temper-
ature
Display
Displays the intake air tem-
perature.
• Check the temperature in
the intake manifold.
-20–100°C
Cold engine: Displayed tem-
perature is close to the ambi-
ent temperature.
Warm engine: Displayed
temperature is approximate-
ly 20 °C higher than the am-
bient temperature.