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Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 277 (Instrument Cluster System) >> Diagnosis And Testing >> Instrument Cluster >> Pinpoint Tests >> Pinpoint Test M: The Air Suspension Indicator Is Never/Always On (If Equipped) >> Normal Operation

Normal Operation

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

The air suspension warning indicator flashes and then stays on with the ignition switch in the RUN position and the air suspension service switch turned off or when a system malfunction is detected. The instrument cluster is hardwired to the air suspension module through circuit 419 (DG/LG). If a fault occurs in the air suspension system, a diagnostic trouble code(s) are set and the air suspension module grounds circuit 419 (DG/LG) to illuminate the air suspension indicator.

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