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Home >> Saturn >> 2003 >> L200 Automatic >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Controls - Self-Diagnostics >> System Tests >> Mil Inoperative >> Circuit Description
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Circuit Description

Battery positive voltage is supplied directly to the Malfunction Indicator Light (MIL). The PCM turns the MIL ON by grounding the MIL control circuit. There should be a steady MIL with the ignition on, with engine off.