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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 1031 (Door & Lock) >> Function Diagnosis >> Automatic Door Locks >> Component Description

Component Description

WARNING: This page is about a different car, the 2009 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
COMPONENT DESCRIPTION CHART

item Function
BCM Controls the door lock function and fuel lid door lock actuator 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.
Fuel lid door lock actuator Output lock/unlock signal from BCM and locks/unlocks fuel lid door lock actuator.
Door switch Input door open/close condition to BCM.
Door key cylinder switch
  • Input lock or unlock signal to power window main switch.
  • Power window main switch transmits door lock/unlock signal to BCM.
Key slot Input key insert/remove 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.
TCM Transmit shift position signal to BCM via CAN communication line.
Push-button ignition switch Input push-button ignition switch ON/OFF condition to BCM.