Yamaha XSR 900 2022 Service Manual page 637

Is check result OK?
YES
→ Go to step 6.
NO
a. Replace the sidestand switch.
b. Turn the main switch to "ON", and then extend and retract the sidestand.
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.
• 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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