P1110moderate severityPowertrain
Intake Air Temperature Sensor Circuit (High Air Temp) Malfunction
on 2020 Toyota RAV4 2.5L I4 · AWD
What this code means
The intake air temperature sensor is reporting an abnormally high air temperature or has a circuit fault. This can throw off the air-fuel mixture the ECM calculates.
Symptoms
- Check engine light on
- Rough idle
- Reduced fuel economy
Common causes
- Faulty IAT sensor
- Wiring short or open
- Corroded connector
- Faulty ECM
Diagnostic steps
- Read live IAT sensor data
- Inspect sensor and connector
- Measure sensor resistance vs temp
- Replace IAT sensor if faulty
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