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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
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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.