DTC P0123: Notes

DTC P0123 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES

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	TP sensor No.1 malfunction Connector or terminal malfunction Short to constant voltage supply circuit between throttle body terminal F and PCM terminal 2Z TP sensor signal circuits are shorted each other
Courtesy of MAZDA MOTORS CORP.