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Home >> Infiniti >> 2004 >> M45 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control System >> DTC P1140, P1145: IVT Control Position Sensor >> Diagnostic Procedure >> 4. Check Intake Valve Timing Control Position Sensor Ground Circuit For Open And Short
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4. Check Intake Valve Timing Control Position Sensor Ground Circuit For Open And Short

  1. Turn ignition switch OFF.
  2. Check harness continuity between intake valve timing control position sensor terminal 1 and ground. Refer to WIRING DIAGRAM .

    Continuity should exist. 

  3. Also check harness for short to power.

OK or NG 

  1. OK: GO TO 6. CHECK INTAKE VALVE TIMING CONTROL POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT .
  2. NG: GO TO 5.
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