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Home >> Genesis >> 2021 >> G90 5.0 Ultimate, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 30 (Engine Control System Diagnosis - 3.3L (5 Of 9)) >> DTC P0445-00: Evaporative Emission System-Purge Control Valve Circuit Shorted >> Component Inspection >> Check PCSV

Check PCSV

WARNING: This page is about a different variant/trim than selected.
  1. IG "OFF". Disconnect PCSV connector.
  2. Measure resistance between power and control terminals of PCSV connector. (Component side)

    Specification:  18.5 ~ 22.5 Ω [20°C (68°F)]

  3. Is the measured signal waveform 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 PCSV and check for proper operation. If the problem is corrected, replace PCSV and go to "VERIFICATION OF VEHICLE REPAIR " procedure.


  1. IG "OFF". Disconnect PCSV connector.
  2. Measure resistance between power and control terminals of PCSV connector. (Component side)

    Specification:  18.5 ~ 22.5 Ω [20°C (68°F)]

  3. Is the measured signal waveform 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 PCSV and check for proper operation. If the problem is corrected, replace PCSV and go to "VERIFICATION OF VEHICLE REPAIR " procedure.