Yamaha XSR 900 2022 Service Manual page 570

Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the cylinder-#2 ignition coil.
Refer to "CAMSHAFTS" on page 5-16.
b. Start the engine and let it idle for approximately 5 seconds.
c. Check 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.
• Execute the diagnostic mode. (Code 31)
• Confirm that spark plug does not sparking.
• 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.
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