Component Description

WARNING: This page is about a different car, the 2015 Ford C-Max. However, it is still accessible from the selected car via links, so may be relevant.

Door Ajar Switch

The door ajar switches (ground switches) each receive a voltage signal from the BCM on independent circuits. When the door is closed, the door ajar switch is closed, routing the signal to ground. When the door is opened, the door ajar switch opens.

Ground is provided to the door ajar switches from the door modules.

Liftage Ajar Switch

The lift ajar switch (ground switch) receives a voltage signal from the BCM. When the liftgate is closed, the liftgate ajar switch is closed, routing the signal to ground. When the door is opened, the door ajar switch opens.

Interior Lamp

All of the interior lamps receive voltage from the interior lamp relay (integrated into the BCM) when the battery saver feature is not active. This is used by each interior lamp to power the LED within it.

The front interior lamp sends a ground signal to the rear lamp to activate it. The ground signal is removed to turn the lamps off.

A dedicated ground circuit is provided for map lamp functionality.