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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 >> Ground Circuit Inspection

Ground Circuit Inspection

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

    Specification:  "A" - "B" = 200mV below

  5. Is the measured voltage within specification?

    YES 

    • Go to "Signal Circuit Inspection" procedure below.

    NO 

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