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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> DTC P1140, P1145: IVT Control Position Sensor >> Diagnostic Procedure >> 2. Check Intake Valve Timing Control Position Sensor Power Supply Circuit

2. Check Intake Valve Timing Control Position Sensor Power Supply Circuit

  1. Disconnect intake valve timing control position sensor harness connector.
    Fig 1: Locating Intake Valve Timing Control Position Sensor
    G00760573Courtesy of NISSAN MOTOR CO., U.S.A.
  2. Turn ignition switch ON.
  3. Check voltage between intake valve timing control position sensor terminal 3 and ground with CONSULT-II or tester.
    1. Voltage: Battery voltage 

OK or NG 

OK : GO TO 4.

NG : GO TO 3.

Fig 2: Checking voltage between intake valve timing control position sensor terminal 3 & ground
G00760574Courtesy of NISSAN MOTOR CO., U.S.A.