Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS32813

TROUBLESHOOTING

TIP
If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
• DTC except P0133
1. Connect the YDT to check and delete the DTC stored in the ECU.
2. Perform the reproduction test under the following conditions, then go to step 3.
Reproduction test conditions
A
60
40
A. Speed [km/h]
B. Time [min]
C. Start the engine
D. Idle (warm up)
3. Connect the YDT and check if the pending DTC is displayed.
Is pending DTC displayed?
Yes
→ Delete the pending DTC, then go to step 4.
No
→ Check the readiness status.
Readiness status is "Complete".
→ Check the coupler between the ECU and O
ity, temporary connection failure is considered to be the cause, so finish the troubleshooting.
Readiness status is "Incomplete"
→ Reproduction test is required again because the reproduction is not completed.
Go to step 2.
4. Replace the O sensor, then go to step 5.
2
5. Perform reproduction test and connect the YDT.
Check that the pending DTC is not detected and readiness status is "Complete". Then complete the
troubleshooting.
D
E
C
F
E. 5 min.
F. Total: 15 min.
G. Stop the engine
sensor for any abnormality. If there is no abnormal-
2
9-135
P0133
B
G