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Home >> Kia >> 2019 >> Optima S >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System Diagnosis - 2.4L (4 Of 6) (Except HEV) >> DTC P0532-00: A/C Refrigerant Pressure Sensor 'A' Circuit Low Input >> Wiring Inspection >> Signal Circuit Inspection >> Check Open In Signal Circuit

Check Open In Signal Circuit

  1. Ignition "OFF"
  2. Disconnect the A/C Pressure Sensor and PCM connectors.
  3. Measure resistance between Pin No. 2 (Sensor Signal) terminal of A/C Pressure Sensor harness connector and Pin No. 30 (A/C Pressure Transducer) terminal of PCM harness connector.

    Specification:  Approx. below 1Ω

  4. Is the measured value within specification?

    YES 

    • Carefully re-do this troubleshooting guide steps.
    • If no problems were found with the circuits or connectors, replace the A/C Pressure Sensor and go to "VERIFICATION OF REPAIR " procedure.

    NO 

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