Ford Fiesta: Interior Lighting / Interior Lighting - Overview. Description and Operation

Overview

The interior lighting system consists of:

• Courtesy lamps
• Demand lamps
• Ambient lighting (if equipped)

The courtesy lamps subsystem consists of:

• Interior lamps (roof mounted)
• Door ajar switches (integrated into the door latches)
• Courtesy lamp switch (integrated into the front and rear interior lamp)
• BCM

The courtesy lamps provide illumination to the interior of the vehicle when entering or exiting the vehicle or when requested using the courtesy lamp switch located on the front and rear interior lamps.

The demand lamps subsystem consists of:

• Interior lamps (map lamps)
• Cargo area lamp
• BCM

The demand lamps provide illumination to specific areas within the vehicle when needed.

The BCM energizes the battery saver output 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)
• Ambient lighting module
• Ambient lighting switch
• BCM

The ambient lighting provides aesthetically colored illumination to the center console cup holders, the instrument panel and the front and rear footwells for illuminated entry or when the ignition is in RUN with the parking lamps on. The ambient lighting color is controlled and can be switched off using the ambient lighting switch.