Yamaha MBK XMAX 2014, Руководство по обслуживанию, Страница: 360 / 482

FUEL INJECTION SYSTEM
8-47
TIP
If fault code numbers “13” and “14” are both indicated, take the actions specified for fault code number
“13” first.
4 Installed condition of intake
air pressure sensor.
Check for looseness or
pinching. Improperly installed sensor
→
Reinstall or replace the
sensor.
Turn the main switch to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 5.
5 Defective intake air pressure
sensor. Execute the diagnostic
mode. (Code No. D03)
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
SENSOR” on page 8-148.
Turn the main switch to “ON”.
Fault code number is not dis-
played
→
Service is finished.
Fault code number is dis-
played
→
Go to item 6.
6 Malfunction in ECU. Replace the ECU.
Fault code No. 14
Item
Intake air pressure sensor: hose system malfunction (clogged
or detached hose).
Fail-safe system
Able to start engine
Able to drive vehicle
Diagnostic code No. D03
FI diagnostic tool display Displays the intake air pressure.
Procedure
Operate the throttle while pulling the brake lever and pushing the
start switch “
”. (If the display value changes, the performance is
OK.)
Fault code No. 13
Item Intake air pressure sensor: open or short circuit detected.