Ford Fusion: Interior Lighting / Interior Lighting - Overview. Description and Operation
Overview
The interior lighting system consists of:
-
Courtesy lamps
-
Demand lamps
-
Ambient lighting
The courtesy lamps subsystem consists of:
-
Interior lamps
-
Puddle lamps
-
Door ajar switches (integrated into the door latches)
-
Courtesy lamp switch (integrated into the front interior lamp)
-
DDM
-
PDM
-
BCM
The
courtesy lamps provide illumination to the vehicle interior and below
the exterior mirrors when entering or exiting the vehicle or when
requested using the courtesy lamp switch located on the interior lamp.
The demand lamps subsystem consists of:
-
Interior lamps (map lamps)
-
Vanity mirror lamps
-
Glove compartment lamp
-
Luggage compartment lamp
-
BCM
The demand lamps provide illumination to specific areas within the vehicle when needed.
The BCM energizes the interior light relay to supply voltage to the demand lamps when the battery saver feature is not active.
The ambient lighting subsystem consists of:
-
Ambient lighting Light Emitting Diodes (LEDs)
-
FDIM (touchscreen)
-
BCM
The
ambient lighting provides aesthetically colored illumination to the
center console storage bin, cup holders and front tray, the door map
pockets, the door release handles, the front and rear footwells for
illuminated entry or when the ignition is in RUN with the parking lamps
on. The ambient lighting is controlled using the FDIM (touchscreen) controls.
System Operation
System Diagram
Item
Description
1
LIN
2
LIN
3
LIN
4
BCM
5
Front courtesy lamp
6
Rear courtesy lamp
7
MS-CAN
8
DDM
9
LH puddle lamp
10
RH puddle lamp
11
Door ambient lighting Light Emitting Diodes (LEDs)
12
Demand lamps
13
PDM
14
Door ajar switche..
Other information:
Deactivation
NOTE:
During vehicle build, some modules, such as the IPC and BCM module are set in factory mode.
Factory mode reduces the drain on the battery during longer periods
where the vehicle is not used. While in the factory mode, various
systems may be altered or disabled and the IPC
displays FACTORY MODE CONTACT DEALER in the message center. If the
vehicle is in factory mod..
Removal
Remove the front seat.
Refer to: Front Seat (501-10A Front Seats, Removal and Installation).
Detach the electrical connector retainers and position the wire harnesses aside.
Detach the backrest cover straps and position the backrest cover upward.
Remove the pin-type retainers.
Detach the ..