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Home >> GMC >> 2002 >> Sonoma 2D Pickup, 2.2 5, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls Self-Diagnostics - 2.2L >> System Tests >> Mil On Steady >> Circuit Description

Circuit Description

Battery positive voltage is supplied directly to the Malfunction Indicator Light (MIL). The Powertrain Control Module (PCM) turns ON the MIL by grounding the MIL control circuit. MIL is located on instrument panel.