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Home >> Infiniti >> 2021 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (DTCS) (1 Of 5) >> Engine (ECM) >> DTC P0022: Intake Valve Timing Control >> DTC Description >> DTC Detection Logic
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DTC Detection Logic

NOTE: If DTC P0022 is displayed with DTC P0081, first perform the trouble diagnosis for DTC P0081. Refer to DTC Description .

DTC No.

Trouble diagnosis

(Trouble diagnosis content)

Detecting condition

Possible cause

P0022

A camshaft position B2

("A" camshaft position - timing over-retarded bank 2)

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
  • Camshaft position sensor
  • 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