DTC Detection Logic
WARNING: This page is about a different car, the 2019 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0111 |
IAT SENSOR 1 B1 (Intake air temperature sensor 1 circuit range/performance bank 1) |
Diagnosis condition |
Engine cold start |
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Signal (terminal) |
Intake air temperature sensor signal |
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Threshold |
The comparison result of signals transmitted to ECM from each temperature sensor (IAT sensor, ECT sensor, FTT sensor, and EOT sensor) shows that the voltage signal of the IAT sensor is higher/lower than that of other temperature sensors. |
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Diagnosis delay time |
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