LEMON Manuals: Even more car manuals for everyone
Home >> Mercury >> 2008 >> Milan Base, 3.0 1, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 721 (Exterior Lighting System) >> Diagnostic Tests >> Autolamps >> Pinpoint Tests >> Pinpoint Test H: The Headlamps Are Inoperative With Autolamps On >> Normal Operation

Normal Operation

WARNING: This page is about a different car, the 2007 Lincoln Mark LT and 2007 Ford Pickup. However, it is still accessible from the selected car via links, so may be relevant.

When the ambient level has reached a point (determined by the internal programming of the vehicle security module [VSM]), 2 internal relays are energized to supply voltage to the exterior lamps. Circuit 196 (DB/OG) supplies voltage to the internal headlamp relay, which in turn supplies voltage to circuit 15 (RD/YE) when energized.

Possible Causes

scientia non olet · About LEMON Manuals