LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2008 >> FX35 RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control System - DTCS U1000 Through P0153 (VQ35DE) >> DTC P0122, P0123 TP Sensor >> On Board Diagnosis Logic >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

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

    (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.