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Home >> Infiniti >> 2010 >> M35 x >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0130 To P0430 >> DTC P0340, P0345: CMP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0340 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643. Refer to "DTC LOGIC ".
DTC DETECTION LOGIC CHART

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340 Camshaft position (CMP) sensor (bank 1) circuit
  • The cylinder No. signal is not sent to ECM for the first few seconds during engine cranking.
  • The cylinder No. signal is not sent to ECM during engine running.
  • The cylinder No. signal is not in the normal pattern during engine running.
  • Harness or connectors

    [CMP sensor (bank 1) circuit is open or shorted.]

  • CMP sensor (bank 1)
  • Camshaft (INT)
  • Starter motor
  • Starting system circuit
  • Dead (Weak) battery
P0345 Camshaft position (CMP) sensor (bank 2) circuit
  • Harness or connectors

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

    [Crankshaft position (CKP) sensor circuit is shorted.]

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

    (Battery current sensor circuit is shorted.)

    [Accelerator pedal position (APP) sensor 2 circuit is shorted.]

    (EVAP control system pressure sensor circuit is shorted.)

    (Refrigerant pressure sensor circuit is shorted.)

  • CMP sensor (bank 2)
  • CKP sensor
  • EVT control position sensor (bank 2)
  • Battery current sensor
  • APP sensor
  • EVAP control system pressure sensor
  • Refrigerant pressure sensor
  • Camshaft (INT)
  • Starter motor
  • Starting system circuit
  • Dead (Weak) battery