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Home >> Infiniti >> 2016 >> QX50 AWD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Anti-Theft Systems >> Door & Lock (Intelligent Key System) (Introduction) >> System Description >> Intelligent Key System >> Door Lock Function >> Component Description
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Component Description

Item Function
BCM Controls the door lock function.
Door lock actuator Output lock/unlock signal from BCM and locks/unlocks each door.
Door switch Input door open/close condition to BCM.
Remote keyless entry receiver Receives lock/unlock signal from the Intelligent Key, and then transmits to BCM.
Request switch Input lock/unlock operation to BCM.
Intelligent Key Transmits button operation to remote keyless entry receiver.
Outside key antenna Detects if Intelligent Key is outside the vehicle.
Inside key antenna Detects if Intelligent Key is inside the vehicle.
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.
Combination meter Display, buzzer (combination meter) and KEY warning lamp are installed to combination meter.
Intelligent Key warning buzzer Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound.