System Description: Notes

WARNING: This page is about a different car, the 2005 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

When room lamp switch is in DOOR position, room lamp ON/OFF is controlled by timer according to signals from switches including key switch and key lock solenoid, front door switch LH, unlock signal from keyfob (with remote keyless entry system), door lock/unlock switch, front door lock assembly LH (key cylinder switch), and ignition switch.

When room lamp turns ON, there is a gradual brightening over 1 second. When room lamp turns OFF, there is a gradual dimming over 1 second.

The room lamp timer is controlled by the BCM (body control module).

Room lamp timer control settings can be changed with CONSULT-II.

Ignition keyhole illumination turns ON when driver door is opened (door switch ON) or key is removed from key cylinder. Illumination turns OFF when the ignition switch is turned ON or by room lamp timer.

Step lamp turns ON when driver door, passenger or rear doors are opened (door switch ON). Lamp turns OFF when driver, passenger and rear doors are closed (all door switches OFF).