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Home >> Kia >> 2007 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> DTC Troubleshooting Procedures (2 Of 2) >> DTC P0646 A/C Clutch Relay Control Circuit Low >> Control Circuit Inspection
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Control Circuit Inspection

  1. IG "OFF".
  2. Disconnect A/C Relay.
  3. IG "ON".
  4. Measure the voltage between terminal 5 of A/C relay and ground.

    Specification: Approx. 11V

  5. Is the measured voltage within specification?

    YES 

    NO