DTC P0123: TP Sensor No. 1 Circuit High Input: Notes

DTC P0123 CHART (MZI-3.7)

DTC P0123	TP sensor No. 1 circuit high input
DETECTION CONDITION	The TP sensor No. 1 circuit was flagged as a concern by the PCM indicating a high voltage.
POSSIBLE CAUSE	Connector or terminal malfunction Short to constant voltage supply circuit between throttle body terminal F and PCM terminal 2AN TP sensor signal circuits are shorted each other TP sensor No. 1 malfunction
Courtesy of MAZDA MOTORS CORP.