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Home >> Nissan-Datsun >> 2017 >> Versa Note SL >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 3) >> DTC/Circuit Diagnosis >> DTC P0012: Intake Valve Timing Control >> 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
P0012 A camshaft position B1
('A' camshaft position - timing over-retarded bank 1)
During the retarded control of intake valve timing control, the angle difference between actual angle and target angle is 13 degrees or more.
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE)
  • Intake valve control solenoid valve
  • Accumulation of debris to the signal pick-up portion of the camshaft
  • Timing chain installation
  • Foreign matter caught in the oil groove for intake valve timing control