DTC P0712: TFT Sensor Circuit Shorted Or DTC P1713: TFT Sensor Low Temperature Input: Description
WARNING: This page is about a different car, the 2002 Mazda 626 and 2001 Mazda 626. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0712 is set when PCM detects (after 2 drive cycles) TFT sensor circuit input is greater than the minimum acceptable voltage. DTC P1713 is set when PCM detects (after one drive cycle) TFT sensor resistance is constantly low.