Mike's Workshop Manuals: Service manuals for every vehicle
Home >> Hyundai >> 2004 >> Elantra GLS, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel System >> DTC Trouble Shooting Procedures >> DTC P0300: Multiple Cylinder Misfire Detected >> Inspection Procedures >> 3. Check Power To Ignition Coil

3. Check Power To Ignition Coil

  1. Turn ignition switch to OFF position and disconnect ignition coil connector.
  2. Turn ignition switch to ON position and measure voltage between terminal 3 of the ignition coil harness connector and chassis ground.
    Fig 1: Checking Ignition Coil Power Supply
    G00749323Courtesy of HYUNDAI MOTOR CO.
    • Specification: approximately B+ 

Is measured voltage within specification? 

Yes: Go to next step.

No: Repair open or short to chassis ground in harness.