DTC P0112: Intake Air Temperature Sensor Circuit, Low Input: Conditions
WARNING: This page is about a different car, the 2002 Mazda Protege5 and 2002 Mazda Protege. However, it is still accessible from the selected car via links, so may be relevant.
DTC is set when voltage from Intake Air Temperature (IAT) sensor is less than .15 volts and ignition switch is on. This is a continuous monitor. MIL is illuminated when PCM detects malfunction during first drive cycle. Possible causes are:
- IAT sensor malfunction.
- PCM malfunction.
- Short circuit between IAT sensor and PCM.