P0110; Troubleshooting - Yamaha MT-09 2021 Service Manual

EAS20426

P0110

EAS32845

TROUBLESHOOTING

Item
Intake air temperature sensor: signal stuck
Fail-safe system
• Able to start engine
• Able to drive vehicle
Procedure
TIP
• Perform this procedure when the engine is cold.
• If more than one DTC is detected at the same time, perform troubleshooting of DTC listed below first.
• P0111, P0112, P0113, P0115, P0116, P0117, P0118, P0335, P0500, P2122, P2123, P2127, P2128,
P2138
1. Installed condition of intake air temperature sensor.
• Check for looseness or pinching.
Refer to "GENERAL CHASSIS (1)" on page 4-1.
• Check the dirt around the intake air temperature sensor.
Is check result OK?
YES
→ Go to step 2.
NO
a. Clean around the intake air temperature sensor, then reinstall it.
b. Turn the main switch to "ON", then heat the intake air temperature sensor using warm water or
hot air.
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 4, and complete the service.
NO
→ Go to step 2.
2. Defective intake air temperature sensor.
• Measure and note the intake air temperature sensor resistance at ambient temperature.
• Heat the intake air temperature sensor using warm water or hot air, and measure the intake air tem-
perature sensor resistance, then compare the noted resistance at ambient temperature.
Is the resistance change?
YES
→ Go to step 3.
NO
a. Replace the intake air temperature sensor.
b. Turn the main switch to "ON", then heat the intake air temperature sensor using warm water or
hot air.
c. Check the condition of the DTC using the malfunction mode of the YDT.
Is it in the "Recovered" condition?
YES
→ Go to step 4, and complete the service.
9-108
P0110