Yamaha TMAX XP530E-A 2017 Service Manual page 461

Fault code No.
Item
5 Defective intake air pressure
sensor.
6 Malfunction in ECU.
7 Delete the fault code and check
that the engine trouble warning
light goes off.
P0107, P0108
[P0107] Intake air pressure sensor: ground short circuit detected.
[P0108] Intake air pressure sensor: open or power short circuit
detected.
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),
approx. 3.64 V
1000 m (3300 ft) above sea
level: Approx. 90 kPa (675.1
mmHg, 26.6 inHg), approx. 3.30
V
2000 m (6700 ft) above sea
level: Approx. 80 kPa (600.0
mmHg, 23.6 inHg), approx. 3.00
V
3000 m (9800 ft) above sea
level: Approx. 70 kPa (525.0
mmHg, 20.7 inHg), approx. 2.70
V
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 "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
Replace the ECU.
Refer to "REPLACING THE
ECU (Engine Control Unit)" on
page 8-230.
Confirm that the fault code has
a condition of "Recovered"
using the Yamaha diagnostic
tool, and then delete the fault
code.
8-70
FUEL INJECTION SYSTEM
Crank the engine, and then
check the condition of the fault
code using the malfunction
mode of the Yamaha diagnostic
tool.
Condition is "Recovered"  Go
to item 7 and finish the service.
Condition is "Detected"  Go to
item 6.
Service is finished.