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Home >> Pontiac >> 2009 >> G3 Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 1.6L (LXV) >> Diagnostic Information and Procedures >> DTC P0443 >> Circuit/System Verification

Circuit/System Verification

  1. Engine idling, command the EVAP purge solenoid ON and OFF with a scan tool while observing the following control circuit status parameters:
    • EVAP Purge Sol Short Gnd Test Status
    • EVAP Purge Sol Open Test Status
    • EVAP Purge Sol Short Volts Test Status

      Each parameter should display OK or Not Run.

  2. Command the EVAP purge solenoid ON and OFF with a scan tool. You should hear the solenoid click when commanded ON and OFF.
  3. Operate the vehicle within the Conditions for Running the DTC to verify the DTC does not reset. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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