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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P0011, P0021: IVT Control >> Diagnostic Procedure >> 8. Check Intake Valve Timing Control Solenoid Valve Power Supply Circuit

8. Check Intake Valve Timing Control Solenoid Valve Power Supply Circuit

  1. Reconnect ECM harness connector.
  2. Disconnect intake valve timing control solenoid valve harness connector.
    Fig 1: Locating Intake Valve Timing Control Solenoid Valves
    G00760358Courtesy of NISSAN MOTOR CO., U.S.A.
  3. Turn ignition switch ON.
  4. Check voltage between intake valve timing control solenoid valve terminal 2 and ground with CONSULT-II or tester.
    1. Voltage: Battery voltage 

OK or NG 

OK: GO TO 10. CHECK INTAKE VALVE TIMING CONTROL SOLENOID VALVE OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .

NG: GO TO 9.

Fig 2: Checking voltage between intake valve timing control solenoid valve terminal 2 & ground
G00760359Courtesy of NISSAN MOTOR CO., U.S.A.