P0564; Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS20594

P0564

EAS33074

TROUBLESHOOTING

Item
• Cruise control setting switch "RES+": open or short circuit is detected.
• Cruise control setting switch "SET–": open or short circuit is detected.
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
1. Connection of ECU coupler, handlebar switch coupler (left) and main switch coupler.
• Check the locking condition of the coupler.
• Disconnect the coupler and check the pins (bent or broken terminals and locking condition of the
pins).
Is the coupler condition normal?
YES
→Go to step 2.
NO
a. Connect the coupler securely or replace the wire harness.
b. Turn the main switch to "ON", and then push the "RES+" side and "SET–"side of the cruise con-
trol setting switch.
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→Go to step 10, and complete the service.
NO
→Go to step 2.
2. Locate the malfunction.
a. Execute the diagnostic mode. (Code 80)
When the cruise control setting switch "RES+" is pushed
When the cruise control setting switch is released
Is check result OK?
YES
→Go to step b.
NO
→Go to step 3.
TIP
Perform the procedure from step 3 to step 5, and from step 9 to step 10.
b. Execute the diagnostic mode. (Code 81)
When the cruise control setting switch "SET–" is pushed
When the cruise control setting switch is released
c. Confirm that it is defective.
d. Go to step 6.
9-188
P0564
ON
OFF
ON
OFF