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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 5 (Engine Control System - 4.6L (LH2) - Troubleshooting & Diagnosis) >> Malfunction Indicator Lamp (MIL) Always On >> Circuit Description

Circuit Description

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Voltage is supplied to the malfunction indicator lamp (MIL) internally by the instrument panel cluster (IPC). The engine control module (ECM) turns the MIL ON by grounding the MIL control circuit.

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