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Home >> Kia >> 2016 >> Forte5 EX >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System Diagnosis - 2.0L (2 Of 3) >> DTC P0533: A/C Refrigerant Pressure Sensor 'A' Circuit High Input >> Component Inspection
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Component Inspection

  1. IG "OFF" and connect the GDS.
  2. Connect the probe to A/C pressure sensor signal and select the oscilloscope in the menu.
  3. Check the waveform with turning on and off a/c switch after engine start.

    Specification:  Refer to appropriate service information.

  4. Is the measured waveform of A/C pressure sensor normal?

    YES 

    • Substitute with a known - good ECM and check for proper operation. If the problem is corrected, replace ECM and go to "Verification Of Vehicle Repair " procedure.

    NO 

    • Substitute with a known - good A/C pressure sensor and check for proper operation. If the problem is corrected, replace A/C pressure sensor and go to "Verification Of Vehicle Repair " procedure.
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