Yamaha MT-09 2021 Service Manual page 676

Is check result OK?
YES
→ Go to step 5.
NO
a. Reinstall or replace the sensor.
Refer to "CHAIN DRIVE" on page 4-86.
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 shift sensor.
• Execute the diagnostic mode. (Code D95)
Shift sensor output voltage display
With no shift weighting input
Shift up weighting
Shift down weighting
Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the shift sensor.
Refer to "CHAIN DRIVE" on page 4-86.
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.
0.2–4.8 [V]
Approx. 2.5 [V]
Changes to the low side
Changes to the high side
9-246
P1806, P1807