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Home >> Infiniti >> 2004 >> Q45 >> Repair and Diagnosis >> Engine Performance >> Engine Control System >> Ignition Signal >> Diagnostic Procedure >> 11. Check Condenser Circuit For Open And Short
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11. Check Condenser Circuit For Open And Short

  1. Turn ignition switch OFF.
  2. Disconnect condenser harness connector.
  3. Check harness continuity between the following;

    ECM terminal 12 and condenser terminal 1,

    Condenser terminal 2 and ground.

    Refer to Wiring Diagram.

    1. Continuity should exist. 
  4. Also check harness for short to ground and short to power.

OK or NG 

OK: GO TO 12.

NG: Repair open circuit or short to ground or short to power in harness or connectors.