System Description

INTERIOR ROOM LAMP BATTERY SAVER SYSTEM


System Description


OUTLINE
- Interior room lamp battery saver is controlled by battery saver function of BCM.
- BCM cuts the interior room lamp power supply depending on the vehicle condition. Total illumination control unit cuts the hospitality lighting power supply according to interior room lamp power supply (battery saver signal). This function prevents the battery from over-discharging if the driver neglects turning OFF the lamps.

Applicable lamps

Control by the total illumination control unit
- Push-button ignition switch illumination
- Map lamp and personal lamps
- Center console indirect illumination
- Vanity mirror lamps
- Puddle lamps
- Foot lamps
- Mood lamps (Door armrest)
- Each illumination (Clock, switches, etc.)

Control by BCM
- Step lamps
- Luggage room lamps

INTERIOR ROOM LAMP BATTERY SAVER FUNCTION
- When the ignition switch is turned OFF, BCM operates the timer for a period of time to cut the interior room lamp power supply.
- When interior room lamp power supply (battery saver signal) is OFF, the total illumination control unit cuts hospitality lighting power supply. And then it switches to sleep mode.
- BCM restarts the timer when any of the following signals changes while operating the timer.
- Ignition switch status
- Door switch signal (ALL)
- Door lock/unlock signal (Remote keyless entry receiver, each request switch, key cylinder lock/unlock switch, door lock/unlock switch)
- Back door switch signal
- Key switch signal (Key slot)
- BCM provides the interior room lamp power supply continuously when the ignition switch is in an other than
OFF.

NOTE:
Each function of interior room lamp battery saver can be set by CONSULT-III. Refer to Battery Saver, "BATTERY SAVER : CONSULT-III Function (BCM - BATTERY SAVER)".