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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 380 (Instrument Cluster System) >> Diagnosis And Testing >> Instrument Cluster >> Symptom Chart >> Pinpoint Test K: The Malfunction Indicator Lamp (MIL) Is Never/Always On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2006 Mercury Mariner and 2006 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

The MIL is controlled by the instrument cluster using data sent from the powertrain control module (PCM) over the communication network.