LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 157 (Exterior Lighting System) >> System Description >> Auto Light System >> Component Description
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Description

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.
Part name Description
BCM BCM (Body Control Module) controls auto light operation according to signals from optical sensor, lighting switch, door switches, and ignition switch.
IPDM E/R IPDM E/R (Intelligent Power Distribution Module Engine Room) operates parking, license plate, tail and headlamps according to CAN communication signals from BCM.
Combination switch (lighting switch) The lighting switch outputs lighting requests to the BCM.
Optical sensor Optical sensor detects ambient brightness and converts light (lux) to voltage, then sends the optical sensor signal to BCM.
Door switches Provides door OPEN input to BCM for auto light timer.