Yamaha R1 Series 2015 Service Manual page 546

Fault code No.
Item
03 Meter display
Procedure
02 Meter display
Procedure
Item Probable cause of
malfunction and check
1 Defective Intake air pressure
sensor.
2 Defective atmospheric pressure
sensor.
3 Malfunction in ECU.
20
Intake air pressure sensor or atmospheric pressure sensor: when
the main switch is turned to "ON", the Intake air pressure sensor
voltage and atmospheric pressure sensor voltage differ greatly.
Displays the intake air pressure.
Operate the throttle while pushing the "
switch. (If the display value changes, the performance is OK.)
Displays the atmospheric pressure.
Compare the actually measured atmospheric pressure with the meter
display value.
Maintenance job
Execute the diagnostic mode.
(Code No. 03)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
0 m above sea level: Approx.
101 kPa (757.6 mmHg, 29.8
inHg)
3000 m (9800 ft) above sea
level: Approx. 70 kPa (525.0
mmHg, 20.7 inHg)
Displayed value is incorrect
Check the Intake air pressure
sensor.
Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-194.
Execute the diagnostic mode.
(Code No. 02)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
0 m above sea level: Approx.
101 kPa (757.6 mmHg, 29.8
inHg)
3000 m (9800 ft) above sea
level: Approx. 70 kPa (525.0
mmHg, 20.7 inHg)
Displayed value is incorrect
Check the atmospheric pres-
sure sensor.
Replace if defective.
Refer to "CHECKING THE
ATMOSPHERIC PRESSURE
SENSOR" on page 8-193.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-180.
8-65
FUEL INJECTION SYSTEM
" side of the start/engine stop
Confirmation of service com-
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
pletion