Yamaha FZ 25 2021 - Diagnostic Code: Sensor Operation Table

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ELEC
SELF-DIAGNOSTIC FUNCTION AND
DIAGNOSTIC CODE TABLE
EAS31120
DIAGNOSTIC CODE: SENSOR OPERATION TABLE
Diagnostic
code No.
Item
Indication/
operation
Details
Data display standard value or opera-
tion details
D01
Throttle
opening
Indication
Displays the throttle
opening.
- Check with throttle ful-
ly closed.
- Check with throttle ful-
ly open.
0-125
Throttle fully closed position: 13–21
Throttle fully open position: 92–102
D03
Intake air
pressure
Indication
Displays the intake air
pressure.
- Check the intake man-
ifold pressure.
- Press the starter
switch and check the
change of the intake
air pressure.
0-126[kPa]
When engine is stopped: Check that the
atmospheric pressure is displayed.
Sea level 0[m]: Approx. 101[kPa]
3000[m] above sea level: Approx.
70[kPa]
When engine is cranking: Display value
fluctuates due to fluctuation of intake air
pressure.
D05
Intake air
temperature
Indication
Displays the intake air
temperature.
- Check the tempera-
ture inside the intake
manifold.
-30 to 120[°]
When engine is cold: Displays the tem-
perature close to the ambient tempera-
ture.
When engine is hot: ambient temperature
+ approx. 20°C (radiant heat offset).
D07
Vehicle
speed puls-
es
Indication
Displays vehicle speed
pulses integrated value.
0-999[pulses]
- Rear whee stops: Check that the dis-
played value is constant.
- Turn the rear whee several times by
hand and input the vehicle speed pulse:
The displayed value is added.
D08
Lean angle
sensor
Indication
Displays the output val-
ue of the lean angle
sensor.
0-5.0 [V]
Upright position: 0.4-1.4[V]
Overturned: 3.7-4.4[V]
D09
Monitoring
voltage
Indication
Displays the fuel sys-
tem voltage.
0-18.7[V]
Standard value: Approx. 12[V]
D11
Engine tem-
perature
Indication
Displays the engine
temperature.
- Check the engine tem-
perature.
-30 to 180[°C] (US specification: -22 to
302[°F])
When engine is cold: Displays the tem-
perature close to the ambient tempera-
ture (Display lower limit =-30[°C]).
When engine is hot: Displays the current
engine temperature (Display example:
60-100[°C]).
D20
Sidestand
switch
Indication
Displays ON/OFF of the
sidestand switch.
Check the sidestand
switch.
Sidestand retracted: Displays ON
Si
destand extended: Displays OFF
D30 Ignition coil Operation
Check if the ignition coil
is energized.
- Check the occurrence
of spark.
The ignition coil turns ON/OFF five times
every second.
According to whether it is ON/OFF, the
“CHECK” indicator and the “ ” indicator
on the Yamaha diagnostic tool screen will
come on.
B9X-F8197-E0.book Page 37 Thursday, July 16, 2020 2:28 PM