Yamaha MT-09 2021 Service Manual page 600

Is it hear operationg sound?
YES
→ Go to step 7, and complete the service.
NO
→ Check the purge cut valve solenoid.
Refer to "CHECKING THE PURGE CUT VALVE SOLENOID" on page 8-65.
Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the purge cut valve solenoid.
b. Turn the main switch to "ON", and then check the condition of the DTC using the malfunc-
tion 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.
• Start the engine and let it idle for approximately 5 seconds.
• Confirm that the DTC has a condition of "Recovered" using the malfunction mode of the YDT, and
then delete the DTC.
9-170
P0458