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Home >> Infiniti >> 2016 >> QX80 Limited >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door & Lock (Introduction And Wiring Diagrams) >> System Description >> Component Parts >> Door Lock System >> Component Description

Component Description

Item Function
BCM Controls the door lock system
IPDM E/R Sounds horn via CAN communication between BCM
Air bag diagnosis sensor unit
Combination meter
  • Displays each operation method guide and warning for system malfunction
  • Performs operation method guide and warning with buzzer
  • Transmits vehicle speed signal to CAN communication line
TCM Transmits shift position signal to BCM via CAN communication line
Remote keyless entry receiver Receives Intelligent Key operation and transmits to BCM
Inside key antenna Detects if Intelligent Key is inside the vehicle
Outside key antenna Detects if Intelligent Key is outside the vehicle
Push-button ignition switch Inputs push-button ignition switch ON/OFF condition to BCM
Door switch Inputs door open/close condition to BCM
Door lock and unlock switch
  • Detects if door lock and unlock switch is press/release
  • Integrated in the power window main switch and front power window switch (passenger side)
Door request switch
  • Detects if each door request switch is press/release
  • Integrated in the outside handle (driver side, passenger side) and back door opener switch assembly
Intelligent Key warning buzzer Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound
Intelligent Key The following functions are available when having and carrying electronic ID
  • Door lock/unlock
  • Engine start
  • Remote control entry function is available when operating on button
Hazard warning lamp Warns the user of the lock/unlock condition and inappropriate operations with the lamps blink
Door lock actuator Output lock/unlock signal from BCM and locks/unlocks each door
Fuel lid lock actuator Output lock/unlock signal from BCM and locks/unlocks fuel filler lid