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Home >> Hyundai >> 2012 >> Elantra GLS, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 2) >> DTC P2004: Intake Manifold Runner Control Stuck Open (Bank1) >> Inspection/Repair >> W/Harness Inspection >> Control Circuit Inspection

Control Circuit Inspection

  1. IG KEY OFF.
  2. Disconnect PCM and VCMA harness connector.
  3. Measure resistance between closing control terminal of VCMA harness connector and chassis ground.

    Specification:  Infinite

    Fig 1: Measuring Resistance Between Closing Control Terminal Of VCMA Connector And Chassis Ground.
    G07272729Courtesy of HYUNDAI MOTOR CO.
  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO 

  1. IG KEY OFF.
  2. Disconnect VCMA harness connector and PCM harness connector.
  3. Measure resistance between both ends of opening control line.

    Specification:  Approx. 0 Ω

    Fig 2: Measuring Resistance Between Both Ends Of Opening Control Line.
    G07272730Courtesy of HYUNDAI MOTOR CO.
  4. Is resistance within specification?

    YES 

    • Go to next procedure.

    NO