Sentra L4-1.8L (QG18DE) SULEV (2003)
Body Control Module: Description and Operation
Part 1
Part 2
SMART ENTRANCE CONTROL UNIT
OUTLINE
The smart entrance control unit totally controls the following body electrical system operations.
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Warning chime
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Rear window defogger and door mirror defogger
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Power door locks
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Remote keyless entry system
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Vehicle security system
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Interior lamp
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Battery saver control
BATTERY SAVER CONTROL
Interior Lamp/Map Lamp/Vanity Lamps
The lamps turn off automatically when the interior lamp, map lamp or/and vanity lamps are illuminated with the ignition key in the OFF position, if the
lamp remains lit by the door switch open signal or if the lamp switch is in the ON position for approximately 10 minutes.
After lamps are turned off by the battery saver system, the lamps illuminate again when:
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Drivers door is locked or unlocked,