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Home >> Mercury >> 2010 >> Milan Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 938 (Instrument Cluster System And Panel Illumination) >> Diagnostic Tests >> Instrument Cluster and Panel Illumination >> Pinpoint Tests >> Pinpoint Test F: The Passenger Door Lock Control Switch Illumination Is Inoperative >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Mercury Mariner and 2007 Ford Escape. However, it is still accessible from the selected car via links, so may be relevant.

When the instrument cluster detects a PARKING LAMPS ON or HEADLAMPS ON message, it sends voltage to the passenger door lock control switch assembly through circuit 170 (RD/LB). The passenger door lock control switch assembly is grounded through circuit 570 (BK/WH).

Possible Causes

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