Yamaha MT-09 2021 Service Manual page 616

19.Defective clutch switch.
• Check the clutch switch.
Refer to "CHECKING THE SWITCHES" on page 8-53.
Is check result OK?
YES
→ Go to step 20.
NO
a. Replace the clutch switch.
Refer to "HANDLEBAR" on page 4-57.
b. Execute the diagnostic mode. (Code 21)
When the clutch lever is released with the transmission in gear and when
the sidestand is retracted
When the clutch lever is squeezed with the transmission in gear and when
the sidestand is retracted
Is it correct indication?
YES
→ Go to step 21.
NO
→ Go to step 20.
20.Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-56.
21.Delete the DTC and check that the MIL goes off.
• Turn the main switch to "ON", and then rotate the rear wheel by hand.
• Start the engine, and input the vehicle speed signals by operating the vehicle at 20 to 30 km/h (12
to 19 mph).
• Confirm that the DTC has a condition of "Recovered" using the malfunction mode of the YDT, and
then delete the DTC. Delete this DTC even if it has a condition of "Detected".
9-186
P0500, P1500
OFF
ON