Courtesy Lamp: Description and Operation

Courtesy lamps can be turned on by pressing the headlamp switch in or by opening any door. A theater lighting feature gradually increases the light intensity ON and OFF when switched by opening or closing a door.

These lamps illuminate for courtesy lighting:
- Front door courtesy lamps.
- Rear door courtesy lamps.
- Instrument panel courtesy (foot) lamps.
- Front dome/map lamps (LH and RH).
- Rear reading lamps (LH and RH).
- Door lock cylinder lamps.

Operation is as follows:
- Demand lighting includes courtesy lamps that are illuminated by directly or indirectly actuating a switch.
- The front dome/map lamps are located in the overhead console.
- Each lamp is controlled by its own switch.

These demand lamps are provided with battery positive voltage (B+) by the demand lighting output of the lighting control module. Each has a dedicated switch that closes to ground to illuminate the lamp:
- Glove compartment lamp.
- Vanity mirror lamp.
- Luggage compartment lamp.
- Engine compartment lamp.

These lamps are also part of the courtesy lighting function:
- Front map lamps (LH and RH).
- Rear reading lamps (LH and RH).

The front map lamps are powered by either the demand lighting circuit or the courtesy lighting circuit, depending upon the position of the switch associated with each lamp.
- When the customer turns the RH front map lamp switch ON, the front map lamp is illuminated through power supplied by the lighting control module demand lighting circuit.
- If the customer turns the map lamp switch OFF, the power from the lighting control module demand lighting circuit is interrupted and the lamp is reconnected to the courtesy lighting circuit.

The rear reading lamps are powered by either the courtesy lighting circuit or the demand lighting circuit.
- When the customer turns the rear reading lamp switch ON, the rear reading lamp is illuminated through power supplied by the lighting control module demand lighting circuit.
- If the customer turns the rear reading lamp switch OFF, the power from the lighting control module demand lighting circuit is interrupted and the lamp is reconnected to the courtesy lighting circuit.

Foot
Interior lamps are mounted on the lower closeout panels at both ends of the instrument panel. The miniature bulbs are accessible from under the instrument panel.

Underseat
The underseat lamps are part of the courtesy lamp functions. The lamps are retained with screws to the seat frame.