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Home >> Nissan-Datsun >> 2014 >> Sentra S, Standard Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes & Symptom Tests) >> DTC/Circuit Diagnosis >> DTC P0340: CMP Sensor (Phase) >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

DTC No. CONSULT screen terms (Trouble diagnosis content) DTC detecting condition Possible cause
P0340 CMP SEN/CIRC-B1
(Camshaft position sensor "A" circuit bank 1)
  • 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 (Camshaft position sensor circuit is open or shorted)
  • Camshaft position sensor
  • Camshaft (Intake)
  • Starter motor
  • Starting system circuit
  • Dead (Weak) battery
  • Sensor power supply 2 circuit