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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Engine Control System - 4.4L - Troubleshooting & Diagnosis) >> Malfunction Indicator Lamp (MIL) Diagnosis >> Circuit/System Verification

Circuit/System Verification

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  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.
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