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Home >> Chevrolet >> 2011 >> Caprice >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 6.0L - DTC Diagnostics And Troubleshooting >> Diagnostic Information and Procedures >> DTC P0650 >> Circuit/System Verification

Circuit/System Verification

  1. Ignition ON, command the MIL ON and OFF with a scan tool. The MIL should turn ON and OFF as commanded.
  2. Command the MIL ON and OFF with a scan tool while observing the MIL control circuit status parameters listed below :
    • The MIL Ckt Short Gnd Test Status
    • The MIL Ckt Open Test Status
    • The MIL Ckt Short Volts Test Status

      Each parameter should display OK or Not Run

  3. Engine running command the MIL ON and OFF with a scan tool while observing the MIL control circuit status parameters listed below :
    • The MIL Ckt Short Gnd Test Status
    • The MIL Ckt Open Test Status
    • The MIL Ckt Short Volts Test Status

      Each parameter should display OK or Not Run

  4. 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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