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Home >> Infiniti >> 2011 >> EX35 Base, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS U0101 Through P0128 >> DTC P0011, P0021: IVT Control >> DTC Logic >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0011 or P0021 is displayed with DTC P0075 or P0081, first perform the trouble diagnosis for DTC P0075, P0081. Refer to "DTC LOGIC ".
DTC DETECTION LOGIC

DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0011 Intake valve timing control performance (bank 1) There is a gap between angle of target and phase-control angle degree.
  • Crankshaft position sensor (POS)
  • Camshaft position sensor (PHASE)
  • Intake valve timing 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
P0021 Intake valve timing control performance (bank 2)