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On Board Diagnosis Logic: Notes

This self-diagnosis has the one trip detection logic  .

NOTE: If DTC P2138 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC P0643 SENSOR POWER SUPPLY ".
DTC DETECTING CONDITION AND POSSIBLE CAUSE

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P2138 2138 Accelerator pedal position sensor circuit range/performance Rationally incorrect voltage is sent to ECM compared with the signals from APP sensor 1 and APP sensor 2.
  • Harness or connector

    (The APP sensor 1 and 2 circuit is open or shorted.)

    Harness or connectors

    (APP sensor 2 circuit is open or shorted.)

    [CKP sensor (POS) circuit is open or shorted.]

    [CMP sensor (PHASE) (bank 2) circuit is shorted.]

    [EVT control position sensor (bank 2) circuit is shorted.]

    (EVAP control system pressure sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • Accelerator pedal position sensor

    (APP sensor 1 and 2)

  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE) (bank 2)
  • Exhaust valve timing control position sensor (bank 2)
  • EVAP control system pressure sensor
  • Refrigerant pressure sensor
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