Component Description

WARNING: This page is about a different car, the 2011 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

EXTERIOR LIGHTING SYSTEM COMPONENT DESCRIPTION

Part		Description
BCM		Detects each switch condition by the combination switch reading function Judges that the exterior lamps are turned ON according to the vehicle condition Requests the headlamp relay (HI/LO), tail lamp relay and front fog lamp relay ON to IPDM E/R (via CAN communication) Requests the high beam indicator lamp and tail lamp indicator lamp ON to the combination meter (via CAN communication) Judges the outside brightness from the optical sensor signal. Judges the ON/OFF timing according to the vehicle condition. Judges the ON/OFF status of the exterior lamp according to the outside brightness and the vehicle condition.
IPDM E/R		Controls the integrated relay, and supplies voltage to the load according to the request from BCM (via CAN communication).
Combination meter		Blinks the turn signal indicator lamp and outputs the turn signal operating sound with integrated buzzer according to the request from BCM (via CAN communication). Turns the high beam indicator lamp and tail lamp indicator lamp ON according to the request from BCM (via CAN communication).
Front combination lamp	Xenon bulb	Refer to "XENON HEADLAMP ".
	HID control unit	Refer to "HID CONTROL UNIT ".
	High beam solenoid	Refer to "HIGH BEAM SOLENOID ".
Optical sensor		Optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to BCM.
Combination switch (Lighting & turn signal switch)		Refer to , "COMBINATION SWITCH READING SYSTEM : SYSTEM DESCRIPTION ".
Door switch		Refer to , "DOOR LOCK SYSTEM : COMPONENT DESCRIPTION ".
Hazard switch		Inputs the hazard switch signal to BCM.