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Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0506: Idle Control System - Rpm Lower Than Expected >> Inspection Procedures >> 5. Check ISCA Resistance

5. Check ISCA Resistance

  1. Measure resistance of the ISCA opening coil between terminals 1 and 2.
  2. Measure resistance of the ISCA closing coil between terminals 2 and 3.
    Fig 1: Measuring ISCA Resistance
    G00750619Courtesy of HYUNDAI MOTOR CO.

Is each resistance within specification? 

Yes: Go to next step.

No: Replace ISCA.