DTC P0072-00: Ambient Temperature Sensor Circuit Low Input: Notes

DTC P0072:00	Ambient temperature sensor circuit low input
DETECTION CONDITION	The PCM monitors the input signal from the ambient temperature sensor. If the voltage from the ambient temperature sensor is below 0.18 V  , the PCM determines that the ambient temperature sensor circuit has a malfunction. Diagnostic support note  This is a continuous monitor (other). The check engine light does not illuminate. FREEZE FRAME DATA is not available. Snapshot data is available. DTC is stored in the PCM memory.
FAIL-SAFE FUNCTION	Not applicable
POSSIBLE CAUSE	Ambient temperature sensor connector or terminals malfunction Ambient temperature sensor malfunction Short to ground in wiring harness between ambient temperature sensor terminal A and PCM terminal 2I PCM connector or terminals malfunction Ambient temperature sensor signal circuit and ground circuit are shorted to each other PCM malfunction