Yamaha TMAX XP500F 2015, Service Manual, Page: 398 / 478

FUEL INJECTION SYSTEM
8-41
Fault code No. 15
TIP
If fault codes 15 and 16 are indicated simultaneously, take the actions specified for fault code 15 first.
1 The intake air pressure sensor
hose is damaged, disconnect-
ed, clogged, twisted or bent. Repair or replace the sensor
hose. Start and idle the engine for ap-
proximately 5 seconds.
No fault code indicated.
→
Ser-
vice is finished.
Fault code indicated.
→
Go to
item 2.
2 Intake air pressure sensor mal-
function. Check in the diagnostic mode
(Code No. 03).
When engine is stopped: Atmo-
spheric pressure at the current
altitude and weather conditions
is indicated.
0 m (0 ft) above sea level: Ap-
prox. 101 kPa (757.6 mmHg,
29.8 inHg)
1000 m (3300 ft) above sea lev-
el: Approx. 90 kPa (675.1
mmHg, 26.6 inHg)
2000 m (6700 ft) above sea lev-
el: Approx. 80 kPa (600.0
mmHg, 23.6 inHg)
3000 m (9800 ft) above sea lev-
el: 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.
→
Re-
place the intake air pressure
sensor.
Confirmation of service comple-
tion
Refer to “CHECKING THE IN-
TAKE AIR PRESSURE SEN-
SOR” on page 8-105.
Fault code No. 14
Item
Intake air pressure sensor: hose system malfunction (clogged or de-
tached hose).
Fault code No. 15
Item Throttle position sensor: open or short circuit detected.
Fail-safe system
Under certain conditions
Under certain conditions
Diagnostic code No. 01
Indicated
Throttle position sensor
• 14–20 (fully closed position)
• 97–107 (fully open position)
Procedure
• Check with throttle valves fully closed.
• Check with throttle valves fully open.