Courtesy Lamp: Description and Operation

Courtesy Lamps, Circuit Operation

Automatic Courtesy Lamp Facility Enabled
With the tailgate or any of the four doors opened the illumination level of the following lamps will fade on over a period of approximately 0.5 seconds:
- front courtesy lamp
- rear left courtesy lamp
- rear right courtesy lamp
- load space lamps
- front left footwell lamp
- front right footwell lamp
- ignition ring illumination
- rear right footwell lamp
- rear left footwell lamp

If any door is left open, the lamps will fade out after a time of approximately 10 minutes. During the 10 minute time out, if any other door is opened the timer will be reset.

If all doors are closed prior to the end of this 10 minute period then all specified lamps will fade out after a delay of 15 seconds.

If the ignition is switched on before the end of the 15 second time out period, the specified lamps will begin to fade out after a delay of 1 second.

If the ignition is then switched off and no door opened, the 15 second time out of the lamps will not be resumed.

If an unlock signal is received from the remote key, or if a key unlock is received from either of the front doors while all the doors are closed, then the courtesy lamps will fade to on in 0.5 seconds and begin a 15 second time out period.

If any of the doors or the tailgate are opened during this delay, then the time out period will be restarted.

If all the doors are closed and a lock signal is received from the remote key or either of the front door CDL switches while the courtesy lamps are in their 15 second time out period, then the time delay will be cancelled and the lamps immediately faded out.

Automatic Courtesy Lamp Facility Disabled
Whenever the main courtesy lamp switch is operated for greater than 2 seconds, the automatic courtesy lamp feature will switch between the enabled and disabled mode upon release of the switch. At the same time an "Int lamps off"/"Int lamps auto" message will be displayed on the instrument pack. This extended switch operation will also extinguish the courtesy lamps if the button has been depressed for 2 seconds, causing the system to switch from the automatic to disabled mode, but otherwise will have no effect on their state. While the automatic courtesy lamp facility is disabled, the courtesy lamps may only be switched on and off by momentary activation of the main courtesy lamp switch. The change of lamp state will occur on release of the switch.