System Description

SYSTEM

INTERIOR ROOM LAMP CONTROL SYSTEM : System Description


OUTLINE

- Front room/map lamp, personal lamp 2nd row and cargo lamp are controlled by the interior room lamp timer control function of the BCM when the lamp switch is in the DOOR position.
- Front outside handle assembly lamps are controlled by door handle lamp control function of BCM.
- Step lamp and foot lamp are controlled by the step lamp control function of the BCM.
- Push-button ignition switch illumination is controlled by the push-button ignition switch illumination control function of BCM.
- Interior room lamps and outside handle lamp are illuminated by welcome light function of Intelligent Key system. Refer to "WELCOME LIGHT FUNCTION : System Description" Welcome Light Function.

ROOM LAMP TIMER OPERATION

When the interior room lamp switch is in the DOOR position and when all conditions below are met, the BCM
begins timer control (maximum 30 seconds) for interior room lamp ON/OFF.
- When the front door LH is unlocked [with Intelligent Key, main power window and door lock/unlock switch or front door lock assembly LH (key cylinder switch)].
- When a door opens -> closes.
Timer control is cancelled under the following conditions:
- When the front door LH is locked [with Intelligent Key, main power window and door lock/unlock switch or front door lock assembly LH (key cylinder switch)].
- A door is opened (door switch turns ON).
- Ignition switch is turned ON.

INTERIOR LAMP BATTERY SAVER CONTROL

Revision: March 20122013 Infiniti JX
If an interior lamp is left ON and does not turn OFF even when the doors are closed, the BCM turns off power to the interior lamps automatically to save the battery 15 minutes after the ignition switch is turned OFF.
The BCM controls power and ground to all interior lamps.
After the battery saver system turns the lamps OFF, the lamps will illuminate again when:
- A signal is received from an Intelligent Key or main power window and door lock/unlock switch or when the front door lock assembly LH (key cylinder switch) is locked or unlocked.
- A door is opened or closed.

OUTSIDE HANDLE LAMP TIMER CONTROL

Outside Handle Lamp Timer Basic Operation
- BCM controls the ground to turn the outside handle lamp ON.
- The outside handle lamp turns ON and OFF by the outside handle lamp timer.
- BCM judges the vehicle condition with the following items: It activates the outside handle lamp timer.
- Ignition switch status
- Door switch signal
- Door lock/unlock signal (remote keyless entry receiver, each door request switch)
- Driver side door lock status
Outside Handle Lamp ON Operation
BCM activates the outside handle lamp timer in any of the following conditions to turn the outside handle lamp
ON for a period of time
- Any door opens
- Any door opens before all doors close
- Ignition switch is turned ON -> OFF
- Door unlock signal by remote keyless entry receiver or each door request switch is detected
- Driver side door is locked
NOTE:
The timer is restarted if new condition is input during the timer operating time.
Front Outside Handle Lamp OFF Operation
BCM stops the timer in any of the following conditions to turn the front outside handle assembly lamp OFF.
- The front outside handle assembly lamp timer operating time is expired
- The interior room lamp OFF conditions
- The interior room lamp timer operating time is expired