DTC P2123: App Sensor No. 1 Circuit High Input: Notes

DTC P2123 CHART (MZI-3.7)

DTC P2123	APP sensor No. 1 circuit high input
DETECTION CONDITION	APP sensor No. 1 is out of self-test range high.
POSSIBLE CAUSE	Connector or terminal malfunction APP sensor malfunction Open circuit wiring harness between APP sensor terminal F and PCM terminal 1X Open circuit wiring harness between APP sensor terminal A and PCM terminal 1Z Open circuit wiring harness between APP sensor terminal D and PCM terminal 1AB Open circuit wiring harness between APP sensor terminal C and PCM terminal 1AD Open circuit wiring harness between APP sensor terminal E and PCM terminal 1Y Short to power supply in wiring harness between APP sensor terminal F and PCM terminal 1X Short to power supply in wiring harness between APP sensor terminal A and PCM terminal 1Z Short to power supply in wiring harness between APP sensor terminal D and PCM terminal 1AB Short to power supply in wiring harness between APP sensor terminal C and PCM terminal 1AD Short to power supply in wiring harness between APP sensor terminal E and PCM terminal 1Y
Courtesy of MAZDA MOTORS CORP.