Yamaha 2012 TMAX XP500A Service Manual page 424

Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Item/components and
probable cause
4 Installation status of intake
air temperature sensor
Check the mounting section
for a loose or pinched mount-
ing.
5 Intake air temperature sensor
malfunction
6 ECU malfunction
TIP
Work in a complete cold-engine condition.
22
Intake air temperature sensor: open or short circuit detected. (no
normal signals are received from the intake air temperature sensor.)
Able to start engine
Able to drive vehicle
d:05
Displays the intake air temperature.
Compare the actually measured intake air temperature with the
meter display value.
Check or maintenance job
Make sure that the mounting
position is correct.
Check in the diagnostic mode
(Code No. d:05).
Sensor inspection procedure
Refer to "CHECKING THE
INTAKE AIR TEMPERATURE
SENSOR" on page 8-140.
During cold starting: A tem-
perature close to the ambient
temperature is indicated.
Indication is incorrect. →
Replace the intake air tem-
perature sensor.
Replace the ECU
FUEL INJECTION SYSTEM
8-49
Sensor inspection proce-
dure
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.