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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Refrigerant Pressure Sensor >> Diagnostic Procedure >> 9. Refrigerant Pressure Sensor Shield Circuit For Open And Short
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9. Refrigerant Pressure Sensor Shield Circuit For Open And Short

  1. Disconnect harness connector E33, F33.
  2. Check harness continuity between harness connector F33 terminal 7 and ground.

    Refer to Wiring Diagram.

    1. Continuity should exist. 
  3. Also check harness for short to power.

OK or NG 

OK: GO TO 11.

NG: GO TO 10.