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Home >> Infiniti >> 2007 >> QX56 RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 To P1217 >> DTC P1140, P1145 IVT Control Position Sensor >> Component Inspection >> Intake Valve Timing Control Position Sensor
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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 Exhaust Valve Timing Control Position Sensor
    G04900154Courtesy of NISSAN NORTH AMERICA, INC.
  5. Check resistance as shown below.
    TERMINALS RESISTANCE

    Terminal No. (Polarity) Resistance Ω [at 25°C (77°F)]
    3 (+) - 1 (-) Except 0 or ∞
    2 (+) - 1 (-)
    3 (+) - 2 (-)
    Fig 2: Checking Resistance
    G04900155Courtesy of NISSAN NORTH AMERICA, INC.
  6. If NG, replace intake valve timing control position sensor.
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