DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0127 |
IAT SENSOR-B1 (Intake air temperature too high) |
Diagnosis condition |
- |
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Signal (terminal) |
Voltage signal transmitted from intake air temperature sensor to ECM |
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Threshold |
Rationally incorrect voltage from the sensor is sent to ECM, compared with the voltage signal from engine coolant temperature sensor |
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Diagnosis delay time |
- |
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