P0606; Troubleshooting - Yamaha XSR 900 2022 Service Manual

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P0606

Processor error. Internal malfunction in ECU. (When this malfunction is detected in the ECU, the DTC

might not appear on the tool display.)

Fail-safe system

• Able/Unable to start engine (depending on the situation)

• Able/Unable to drive vehicle (depending on the situation)

1. Check and repair for simultaneous malfunction.

• Check the items of DTCs P0122, P0123, P0222, P0223 and P2135, if they are detected at the same

time, correct the P0122, P0123, P0222, P0223 and P2135 first.

• Turn the main switch to "ON", and then check the DTC using the malfunction mode of the YDT.

Is it in the "Recovered" condition?

→ Go to step 3, and complete the service.

→ Go to step 2.

2. Malfunction in ECU.

• Replace the ECU.

Refer to "REPLACING THE ECU (Engine Control Unit)" on page 8-41.

• Turn the main switch to "ON".

• Check that the MIL does not come on.

3. 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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