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Home › Infiniti › 2009 › QX56 AWD › Repair and Diagnosis › Engine Performance › System › Engine Control System - DTCS P1140 To P2A03 › DTC P1140, P1145: IVT Control Position Sensor › Component Inspection › Intake Valve Timing Control Position Sensor

Intake Valve Timing Control Position Sensor

  1. Disconnect intake valve timing control position sensor harness connector.
  2. Loosen the fixing bolt of the sensor.
  3. Remove the sensor.
  4. Visually check the sensor for chipping.
    Fig 1: Checking Intake Valve Timing Control Position Sensor For Chipping
    G06315718Courtesy of NISSAN MOTOR CO., U.S.A.
  5. Check resistance as shown below.
    RESISTANCE REFERENCE CHART

    Terminal No. (Polarity) Resistance Ω [at 25°C (77°F)]
    3 (+) - 1 (-) Except 0 or ∞
    2 (+) - 1 (-)
    3 (+) - 2 (-)
  6. If NG, replace intake valve timing control position sensor. Refer to INTAKE VALVE TIMING CONTROL POSITION SENSOR (LH) .
    Fig 2: Checking Intake Valve Timing Control Position Sensor Resistance
    G06315719Courtesy of NISSAN MOTOR CO., U.S.A.
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