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Home >> Infiniti >> 2003 >> Q45 >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 201 (Engine Control System) >> Variable Induction Air Control System (VIAS) >> Diagnostic Procedure >> 8. Check VIAS Control Solenoid Valve Output Signal Circuit For Open And Short
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8. Check VIAS Control Solenoid Valve Output Signal Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Infiniti Q45. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ignition switch OFF.
  2. Disconnect ECM harness connector.
  3. Check harness continuity between ECM terminal 27 and terminal 2.

    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 9.

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