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Home >> Kia >> 2011 >> Optima LX, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) - 2.4L >> DTC P0564: Cruise Control Multi-Function Input A Circuit >> Inspection/Repair >> W/Harness Inspection >> Power Circuit Inspection
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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

    Fig 1: Measuring Voltage Between 'Cruise Main' Terminal Of 'Cruise Remocon Switch' Harness Connector & Chassis Ground
    G07386722Courtesy of KIA MOTORS AMERICA, INC.
  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.