Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Infiniti >> 2011 >> M37 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 298 (Engine Control System - DTCS P1225 Through P2A03) >> DTC P2127, P2128: App Sensor >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2011 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name (Trouble diagnosis content) DTC detecting condition Possible cause
P2127 APP SEN 2/CIRC (Accelerator pedal position sensor 2 circuit low input) An excessively low voltage from the APP sensor 2 is sent to ECM.
  • Harness or connectors (Accelerator pedal position sensor 2 circuit is open or shorted.)

    (Battery current sensor circuit is shorted.)

    [Camshaft position sensor (bank 1) circuit is shorted.]

    (Crankshaft position sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

    (EVAP control system pressure sensor circuit is shorted.)

  • Accelerator pedal position sensor (APP sensor 2)
  • Battery current sensor
  • Camshaft position sensor (bank 1)
  • Crankshaft position sensor
  • Refrigerant pressure sensor
  • EVAP control system pressure sensor
P2128 APP SEN 2/CIRC (Accelerator pedal position sensor 2 circuit high input) An excessively high voltage from the APP sensor 2 is sent to ECM.
scientia non olet · About Mike's Workshop Manuals