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Major Components and Functions

WARNING: This page is about a different car, the 2007 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
MAJOR COMPONENTS AND FUNCTIONS CHART

Components Functions
BCM
  • Turns on/off circuits of tail light and headlamp according to signals from light sensor, lighting switch (AUTO), front door switch LH, front door switch RH, rear door switch, and ignition switch (ON, OFF).
Optical sensor
  • Converts ambient light (lux) to voltage and sends it to BCM. (Detects lightness of 50 to 1,300 lux)