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Home >> Infiniti >> 2016 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 563 (Engine Control System (DTCS) (1 Of 19)) >> Engine (ECM) >> DTC P0012: Intake Valve Timing Control >> DTC Description >> VR30DDTT engine >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2020 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.

DTC

CONSULT screen terms

(Trouble diagnosis content)

DTC detection condition

P0012

A camshaft position B1

("A" camshaft position - timing over-retarded bank 1)

Diagnosis condition

  • Ignition switch: ON
  • Engine speed: 1, 200 - 3, 175 RPM
  • Engine coolant temperature: 60 - 120 deg. C (140 - 248 deg. F)
  • Battery voltage: 11 - 16 V

Signal (terminal)

--

Threshold

During the retarded control of intake valve timing control, the angle difference between actual angle and target angle is 13 degrees or more.

Diagnosis delay time

6 seconds