Intake Air Pressure Sensor: Hose System Malfunction - Yamaha R1 Series 2015 Service Manual

Fault code No. 14
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item Probable cause of
malfunction and check
1 Condition of intake air pressure
sensor hose.
Check the intake air pressure
sensor hose condition.
2 Defective intake air pressure
sensor.
TIP
If fault code numbers "13" and "14" are both indicated, take the actions specified for fault code number
"13" first.
14
Intake air pressure sensor: hose system malfunction (clogged or
detached hose).
Able to start engine
Able to drive vehicle
03
Displays the intake air pressure.
Operate the throttle while pushing the "
switch. (If the display value changes, the performance is OK.)
Maintenance job
Clogged or detached hose
Repair or replace the sensor
hose.
Execute the diagnostic mode.
(Code No. 03)
When engine is stopped:
Atmospheric pressure at the
current altitude and weather
conditions is indicated.
At sea level: Approx. 101 kPa
(757.6 mmHg, 29.8 inHg)
1000 m (3300 ft) above sea
level: Approx. 90 kPa (675.1
mmHg, 26.6 inHg)
2000 m (6700 ft) above sea
level: Approx. 80 kPa (600.0
mmHg, 23.6 inHg)
3000 m (9800 ft) above sea
level: Approx. 70 kPa (525.0
mmHg, 20.7 inHg)
When engine is cranking: Make
sure that the indication value
changes.
The value does not change
when engine is cranking.
Check the intake air pressure
sensor.
Replace if defective.
Refer to "CHECKING THE
INTAKE AIR PRESSURE SEN-
SOR" on page 8-194.
8-59
FUEL INJECTION SYSTEM
" side of the start/engine stop
Confirmation of service com-
Start the engine and let it idle for
approximately 5 seconds.
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
pletion