Yamaha XSR 900 2022 Service Manual page 607

Is it in the "Recovered" condition?
YES
→Go to step 11, and complete the service.
NO
→Go to step 9.
9. Defective rear brake light switch.
• Replace the rear brake light switch.
Refer to "REAR BRAKE" on page 4-40.
Is check result OK?
YES
→Go to step 10.
NO
a. Turn the main switch to "ON".
b. Operate the rear brake pedal, and then check the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→Go to step 11, and complete the service.
NO
→Go to step 10.
10.Malfunction in ECU.
• Replace the ECU, and complete the service.
Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-41.
11.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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