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Home >> Nissan-Datsun >> 2006 >> Sentra SE-R >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - DTCS U1000 To P0133 (Qr25DE) >> DTC P0122, P0123 TP Sensor >> On Board Diagnosis Logic >> Notes

On Board Diagnosis Logic: Notes

These self-diagnoses have the one trip detection logic. 

DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0122 0122 Throttle position sensor 2 circuit low input An excessively low voltage from the TP sensor 2 is sent to ECM.
  • Harness or connectors

    (The TP sensor 2 circuit is open or shorted.)

    (APP sensor 2 circuit is shorted.)

  • Electric throttle control actuator

    (TP sensor 2)

  • Accelerator pedal position sensor

    (APP sensor 2)
P0123 0123 Throttle position sensor 2 circuit high input An excessively high voltage from the TP sensor 2 is sent to ECM.
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