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Home >> Hyundai >> 2014 >> Equus Signature >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0626: Generator Field/F Terminal Circuit High >> Component Inspection

Component Inspection

  1. Engine starts.
  2. Maintain ENG RPM 2, 500 RPM over 2 minutes.
  3. Measure voltage between the battery terminal (+) and the battery terminal (-).

    Specification:  Approx. 12.5 ~ 14.7V

  4. Is the measured voltage within specification?

    YES 

    • Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

    • Substitute with a known - good Generator and check for proper operation. If the problem is corrected, replace Generator and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
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