Nissan Sentra Service Manual: Component parts

Nissan Sentra Service Manual / Driver controls / Exterior lighting system / System description / Component parts

Component Parts Location

IPDM E/R, (Headlamp high relay, Headlamp low relay, Taillamp relay and Front fog lamp relay (if equipped))
Stop lamp switch
Parking brake switch
Combination meter
Combination switch (lighting and turn signal switch)
BCM (view with combination meter removed)
Optical sensor
Front door switch LH (Other doors similar)
Hazard switch
Daytime light relay (if equipped)

Component Description

Part	Description
BCM	Controls the exterior lighting system.
Combination switch (Lighting & turn signal switch)	Refer to BCS-9, "COMBINATION SWITCH READING SYSTEM : System Description" (with Intelligent Key system) or BCS-80, "COMBINATION SWITCH READING SYSTEM : System Description" (without Intelligent Key system).
IPDM E/R	Controls the integrated relays and supplies voltage to the load according to the request from the BCM via CAN communication.
Stop lamp switch	Transmits power when the brake pedal is pressed to operate stop lamps.
Combination meter	Refer to MWI-8, "METER SYSTEM : System Description".
Daytime light relay (if equipped)	Sends power to the daytime lamp when operated by the IPDM E/R.
Front door switch LH/RH	Transmits the door open signal to the BCM.
Rear door switch LH/RH	Transmits the door open signal to the BCM.
Optical sensor	Optical sensor converts the outside brightness (lux) to voltage and transmits the optical sensor signal to BCM to operate the autolight system.
Parking brake switch	Transmits the parking brake switch signal to the combination meter to operate the autolight system.
Hazard switch	Inputs the hazard switch signal to BCM.

System

Headlamp system HEADLAMP SYSTEM : System Diagram HEADLAMP SYSTEM : System Description LOW BEAM OPERATION When the lighting switch is in 2nd position, the BCM receives input requesting the h ...

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