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Home >> Chevrolet >> 2011 >> Chevy Express G2500, Van Cargo Extended, 6.6 L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.3L - Diagnostic Information And Procedures >> 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. Ignition ON, observe each of the MIL control circuit Test Status parameters listed below with a scan tool.
    • 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. 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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