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Home >> Kia >> 2014 >> Optima EX >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 2.4L (Except HEV) >> DTC P0564: Cruise Control Multi-Function Input A Circuit >> Wiring Inspection >> Power Circuit Inspection

Power Circuit Inspection

■ Check power circuit voltage 

  1. IG key OFF.
  2. Disconnect 'CRUISE REMOCON SWITCH' connector.
  3. IG key ON.
  4. Measure voltage between 'CRUISE MAIN' terminal of 'CRUISE REMOCON SWITCH' harness connector and chassis ground.

    Specification :  11.5V~13.0V

  5. Is the measured value within specification?

    YES 

    NO 

    • Repair short to ground/open between 'CRUISE MAIN' terminal of 'CRUISE REMOCON SWITCH' harness connector and 'Cruise supply' terminal of PCM harness connector, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.