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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

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.