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Home >> Infiniti >> 2010 >> M35 Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 121 (Lighting System) >> Auto Light System >> Major Components and Functions
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Major Components and Functions

WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
MAJOR COMPONENTS AND FUNCTIONS

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