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Home >> Kia >> 2017 >> Optima Plug-In Hybrid EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis (2 Of 3) (PHEV) >> DTC P0532-00: A/C Refrigerant Pressure Sensor 'A' Circuit Low Input >> Wiring Inspection >> Signal Circuit Inspection

Signal Circuit Inspection

  1. Ignition "OFF" and disconnect A/C pressure transducer connector.
  2. Ignition "ON".
  3. Measure voltage between Pin No. 2 (Signal) terminal of A/C pressure transducer harness connector and chassis ground.

    Specification:  Approx. 0V

  4. Ignition "OFF" and disconnect ECM/PCM connector.
  5. Measure resistance between Pin No. 2 (Signal) terminal of A/C pressure transducer harness connector and chassis ground.

    Specification:  ∞ (Infinity)Ω

  6. Is the measured value within specification?

    YES 

    NO 

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