DTC P0112: Intake Air Temperature (IAT) Sensor 1 Circuit Low Input
WARNING: This page does not describe the selected car, but rather 32 other vehicles, including the 2005 Mercury Sable, 2005 Mercury Mountaineer, 2005 Mercury Monterey, 2005 Mercury Montego, and 2005 Mercury Mariner. However, it is still accessible from the selected car via links, so may be relevant.
P0112 - INTAKE AIR TEMPERATURE (IAT) SENSOR 1 CIRCUIT LOW INPUT
| Description: | Indicates the sensor signal is less than the self-test minimum. The IAT sensor minimum is 0.2 volt or 121 °C (250 °F). | ||
| Possible Causes: |
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| Diagnostic Aids: | An IAT V PID reading less than 0.2 volt with key on engine off (KOEO) or during any engine operating mode indicates a hard fault. | ||
| Application | Key On Engine Off | Key On Engine Running | Continuous Memory |
| All | GO to DA: Intake Air Temperature (IAT) Sensor STEP DA5. | GO to DA: Intake Air Temperature (IAT) Sensor STEP DA5. | GO to DA: Intake Air Temperature (IAT) Sensor STEP DA8. |