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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1577 (Exterior Lighting (Except Electric)) >> Description And Operation >> Exterior Lighting - System Operation and Component Description >> Component Description >> Headlamp Switch

Headlamp Switch

WARNING: This page is about a different car, the 2018 Ford Focus. However, it is still accessible from the selected car via links, so may be relevant.

The headlamp switch monitors the knob position. When the headlamp switch detects the knob is in the headlamp ON position (or a fault with the headlamp switch), it sends a message over the LIN circuit to the BCM, indicating the headlamp switch position or a fault with the headlamp switch input.

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