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Home >> Infiniti >> 2015 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 40 (Engine Control System (DTC/Circuit Diagnosis) (VQ35DE) (Except Hybrid) (1 Of 3)) >> DTC/Circuit Diagnosis >> DTC P0075, P0081: IVT Control Solenoid Valve >> DTC Logic >> DTC Detection Logic

DTC Detection Logic

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
DTC No. Trouble diagnosis name DTC detecting condition Possible cause
P0075 INT/V TIM V/CIR-B1
(Intake valve control solenoid circuit bank 1)
  • ECM detects an abnormal voltage in the intake valve timing control solenoid valve control circuit.
  • ECM detects an abnormal voltage in the intake valve timing intermediate lock control solenoid valve control circuit.
  • Harness or connectors

    (Intake valve timing control solenoid valve circuit is open or shorted.)

    (Intake valve timing intermediate lock control solenoid valve circuit is open or shorted.)

  • Intake valve timing control solenoid valve
  • Intake valve timing intermediate lock control solenoid valve
P0081 INT/V TIM V/CIR-B1
(Intake valve control solenoid circuit bank 2)
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