Yamaha MT-09 2021 Service Manual page 546

4. Installed condition of intake air temperature sensor.
• Check for looseness or pinching.
Refer to "GENERAL CHASSIS (2)" on page 4-10.
Is check result OK?
YES
→ Go to step 5.
NO
a. Reinstall the sensor.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction
mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 7, and complete the service.
NO
→ Go to step 5.
5. Defective intake air temperature sensor.
• Execute the diagnostic mode. (Code 05)
• When engine is cold: Displayed temperature is close to the ambient temperature.
• The displayed temperature is not close to the ambient temperature → Check the intake air tempera-
ture sensor.
Refer to "DIAGNOSTIC CODE: SENSOR OPERATION TABLE" on page 9-76.
Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the intake air temperature sensor.
Refer to "GENERAL CHASSIS (2)" on page 4-10.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunction
mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 7, and complete the service.
NO
→ Go to step 6.
6. Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-56.
7. Delete the DTC and check that the MIL goes off.
• Confirm that the DTC has a condition of "Recovered" using the YDT, and then delete the DTC.
9-116
P0112, P0113