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Home >> Nissan-Datsun >> 2008 >> Sentra SE-R >> Repair and Diagnosis >> External Pages >> Different car >> Section 141 (Door & Lock (With Intelligent Key System)) >> System Description >> Automatic Door Locks >> Component Description
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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.
Item Function
BCM Controls the door lock function and room lamp function.
Door lock and unlock switch Input lock or unlock signal to BCM.
Door lock actuator Output lock/unlock signal from BCM and locks/unlocks each door.
Door switch Input door open/close condition to BCM.
Door key cylinder switch
  • Input lock or unlock signal to main power window and door lock/unlock switch.
  • Main power window and door lock/unlock switch transmits door lock/unlock signal to BCM.
Combination meter
  • Receive buzzer signal from BCM via CAN communication line, and sounds the buzzer.
  • Transmits vehicle speed signal to CAN communication line.