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Home >> Infiniti >> 2017 >> QX80 Base, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1 (Door & Lock (Intelligent Key System) (Introduction)) >> System Description >> Power Door Lock System >> Component Description

Component Description

WARNING: This page is about a different car, the 2016 Infiniti QX50. 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.
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.
Unified meter and A/C amp.
  • Receive buzzer signal from BCM via CAN communication line, and sounds the buzzer.
  • Transmits vehicle speed signal to BCM via 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.
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