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Home >> Infiniti >> 2004 >> M45 >> 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: Identifying Intake Valve Timing Control Position Sensor
    G00796271Courtesy 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.
    Fig 2: Checking Voltage Between Intake Valve Timing Control Position Sensor Terminal 3 & Ground
    G00796272Courtesy of NISSAN MOTOR CO., U.S.A.

    Voltage: Battery voltage 

OK or NG 

  1. OK: GO TO 4. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT .
  2. NG: GO TO 3.