P0134; Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS20414

P0134

EAS32834

TROUBLESHOOTING

Item
O sensor: signal stuck
2
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
TIP
If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
1. P0030
2. P00D1, P2195
3. P0105, P0106, P0107, P0108, P0110, P0111, P0112, P0113, P0115, P0116, P0117, P0118,
P0122, P0123, P0132, P0201, P0202, P0203, P0222, P0223, P0335, P0351, P0352, P0353,
P0480, P0500, P0560, P0563, P062F, P0638, P0657, P0606, P1004, P1500, P1600, P2122,
P2123, P2127, P2128, P2135, P2138
4. P0300, P0301, P0302, P0303
1. Engine condition.
• Check the idling condition and check the engine sound while racing the engine.
Is check result OK?
YES
→ Go to step 2.
NO
a. Check the ignition spark gap.
Refer to "CHECKING THE IGNITION SPARK GAP" on page 8-59.
b. Test ride the vehicle according to the test-ride conditions for the O
Refer to step 2 in "TROUBLESHOOTING" on page 9-135.
At this time, do not check the malfunction diagnosis status (readiness).
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 6, and complete the service.
NO
→ Go to step 2.
2. Installed condition of O
• Check for looseness or pinching.
Is check result OK?
YES
→ Go to step 3.
NO
a. Reinstall the O
b. Test ride the vehicle according to the test-ride conditions for the O
Refer to step 2 in "TROUBLESHOOTING" on page 9-135.
At this time, do not check the malfunction diagnosis status (readiness).
c. Check the condition of the DTC using the malfunction mode of the YDT.
sensor.
2
sensor.
2
9-136
P0134
deterioration diagnosis.
2
deterioration diagnosis.
2