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Home >> Kia >> 2010 >> Forte EX, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (ULEV) (2 Of 2) >> DTC P0620: Alternator Control Circuit >> Scantool Diagnostics >> Monitor scantool Data
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Monitor scantool Data

  1. Connect scantool to Data Link Connector (DLC).
  2. Start engine.
  3. Monitor "Alternator duty cycle, PWM signal" parameter on scantool
    Fig 1: Scantool Screen Display - Monitoring Alternator Duty Cycle & PWM Signal Parameter
    G06491104Courtesy of KIA MOTORS AMERICA, INC.
  4. Are the parameters displayed correctly?

    YES 

    • Fault is intermittent, caused by poor contact in the sensor's and/or ECM's (PCM's) connector, or was repaired and ECM (PCM) memory was not cleared. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair or replace as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.

    NO 

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