DTC Detection Logic
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
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DTC No. |
Trouble diagnosis (Trouble diagnosis content) |
DTC detecting condition |
Possible cause |
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P0111 |
IAT SENSOR 1 B1 [Intake air temperature (IAT) sensor circuit range/performance] |
The comparison result of signals transmitted to ECM from each temperature sensor (IAT sensor, ECT sensor, and FTT sensor) shows that the voltage signal of the IAT sensor is higher/lower than that of other temperature sensors when the engine is started with its cold state. |
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