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Home >> Infiniti >> 2007 >> QX56 AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0137 To P0448 >> DTC P0340 CMP Sensor (Phase) >> On Board Diagnosis Logic

On Board Diagnosis Logic

DTC DETECTING CONDITION

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0340
0340
Camshaft position sensor (PHASE) 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

    (The sensor circuit is open or shorted)

  • Camshaft position sensor (PHASE)
  • Camshaft (Exhaust)
  • Starter motor (Refer to "STARTING SYSTEM ".)
  • Starting system circuit (Refer to "STARTING SYSTEM ".)
  • Dead (Weak) battery