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Home >> Infiniti >> 2017 >> QX80 Base, RWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (DTCS) (2 Of 4) >> DTC/Circuit Diagnosis >> DTC P0335: CKP Sensor >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE:

If DTC P0335 is displayed with DTC P0643, first perform the trouble diagnosis for DTC P0643.

Refer to DTC LOGIC .

DTC No. Trouble diagnosis name
(Trouble diagnosis content)		 DTC detecting condition Possible cause
P0335 CKP SEN/CIRCUIT
(Crankshaft position sensor circuit)
  • The crankshaft position sensor signal is not detected by the ECM during the first few seconds of engine cranking.
  • The proper pulse signal from the crankshaft position sensor is not sent to ECM while the engine is running.
  • The crankshaft position sensor signal is not in the normal pattern during engine running.
  • Harness or connectors

    (Crankshaft position sensor circuit is open or shorted.)

  • Crankshaft position sensor
  • Signal plate
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