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Home >> Cadillac >> 2010 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 5.3L, 6.0L, 6.2L - DTC P0300 To P1175 >> DTC P0650 >> Circuit/System Verification
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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. Engine idling, command the MIL ON and OFF with a scan tool while observing the following control circuit status parameters:
    • MIL Ckt Short Gnd Test Status
    • MIL Ckt Open Test Status
    • 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. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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