Yamaha YZF-R1 2020 Service Manual page 714

YES
→ Go to step 5.
NO
a. Fix the IMU installation condition.
b. Turn the main switch to "ON", then to "OFF", and back to "ON".
c. 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 IMU.
• Replace the IMU.
Refer to "GENERAL CHASSIS (1)" on page 4-1.
• Turn the main switch to "ON", then to "OFF", and back to "ON".
• 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 8-41.
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.
9-219
P1600