DTC P1110 - Intake Air Temperature (IAT) Sensor, Open Or Short Circuit: Condition

WARNING: This page is about a different car, the 1997 Mazda Millenia. However, it is still accessible from the selected car via links, so may be relevant.

DTC is set when input voltage from Intake Air Temperature (IAT) mounted in Dynamic Chamber (D/C) is less than .14 volt or greater than 4.9 volts when intake air temperature is greater than 14°F (-10°C). Possible causes are:

IAT sensor malfunction.
Open or short circuit between terminal "A" on IAT sensor and terminal No. 2C on Engine Control Module (ECM).
Open or short circuit between terminal "B" on IAT sensor and terminal No. 3AB on Engine Control Module (ECM).

DTC is set when input voltage from Intake Air Temperature (IAT) mounted in Lysholm Compressor (L/C) is greater than 4.9 volts when intake air temperature is greater than 32°F (0°C). Possible causes are:

IAT sensor malfunction.
Open or short circuit between terminal "A" on IAT sensor and terminal No. 2K on Engine Control Module (ECM).
Open or short circuit between terminal "B" on IAT sensor and terminal No. 3AB on Engine Control Module (ECM).