LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2014 >> Optima LX >> 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 >> Signal Circuit Inspection >> Check Open In Signal Circuit
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Check Open In Signal Circuit

  1. IG key OFF.
  2. Disconnect 'CRUISE REMOCON SWITCH' connector and Cluster connector.
  3. Measure resistance between 'Signal (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector and 'Signal (Cruise sw)' terminal of PCM connector.

    Specification :  Below 1.0Ω

  4. Is the measured value within specification?

    YES 

    NO 

    • Repair open between 'Signal (Cruise sw)' terminal of 'CRUISE REMOCON SWITCH' harness connector and 'Signal (Cruise sw)' terminal of PCM connector, and go to "VERIFICATION OF VEHICLE REPAIR " procedure.