Lamps/Lighting - Interior
DESCRIPTION
COURTESY LAMP CONTROL
The Body Control Module (BCM) has direct control over all of the vehicle's courtesy lamps except for the driver and passenger front courtesy lamps. The Driver Door Module (DDM) and the Passenger Door Module (PDM) turn these lamps on based on requests sent over the PCI Bus from the BCM. The courtesy lamps will illuminate if:
- Any door is ajar and the courtesy lamp switch on the headlamp switch is not in the dome OFF position.
- The courtesy lamp switch on the headlamp switch is in the dome ON position.
- A Remote Keyless Entry unlock message is received.
- The operator unlocks the driver door with the key (with VTSS only).
ILLUMINATED ENTRY
Illuminated entry will be initiated when a person enters the vehicle by unlocking the doors with the key fob, or with the key if the vehicle is equipped with vehicle theft security. Upon exiting the vehicle, if the lock button is pressed with a door open, illuminated entry will cancel when the door closes. If the doors are closed and the ignition switch is turned ON, the illuminated entry also cancels. The illuminated entry feature will not operate if the courtesy lamp switch is in the dome OFF position.
INTERIOR LIGHTING BATTERY SAVER
If any of the interior lamps are left ON after the ignition is turned OFF, the BCM will turn them OFF after fifteen minutes. To return to normal operation, the courtesy lamps will operate after the dome lamp switch or door ajar switch changes state. The reading lamps and glove box lamp operate under the same conditions as the courtesy lamps.