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Home >> Nissan-Datsun >> 2016 >> Versa Note S, Standard Trans >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 3) >> DTC/Circuit Diagnosis >> DTC P0122, P0123: TP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:

If DTC P0122 or P0123 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to  DTC LOGIC  . 

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

    (TP sensor 2 circuit is open or shorted.)

  • Electric throttle control actuator

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