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Home >> Hyundai >> 2017 >> Elantra GT Automatic Trans >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (3 Of 3) >> DTC P0620: Alternator Control Circuit >> Wiring Inspection >> C Terminal Circuit Inspection

C Terminal Circuit Inspection

  1. With ignition OFF, disconnect alternator connector.
  2. IG KEY "ON" & ENG "OFF".
  3. Measure voltage between C terminal of the alternator harness connector and chassis ground.

    Specification:  Approx. 3.6V

  4. Is voltage within the specification?

    YES 

    NO