Component Description

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Part	Description
BCM	Activates the interior room lamp timer depending on the vehicle condition to turn the interior room lamp ON/OFF. Turns the trunk room lamp ON/OFF according to the trunk room lamp switch status. Turns the step lamp ON/OFF according to any door switch status.
Remote keyless entry receiver	Transmits the lock/unlock signal to BCM.
Door lock/unlock switch Key cylinder lock/unlock switch	Transmits a switch signal by power window switch serial link.
Request switch Door switch Trunk room lamp switch	Inputs a switch signal to BCM.