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Home >> Cadillac >> 2007 >> STS V >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 4.4L - DTC P0153 To DTC P0690 >> DTC P0650 >> Circuit/System Verification
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Circuit/System Verification

  1. Ignition ON, the MIL should turn ON and OFF when commanded with a scan tool.
  2. Ignition ON, observe the scan tool MIL Circuit Status parameter. The reading should indicate Incomplete and continue to indicate Incomplete when commanding the MIL ON and OFF.
  3. Engine running, observe the DTC information with a scan tool. DTC P0650 should not set.
  4. 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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