Nissan GT-R (R35) · Service Manual BODY EXTERIOR, DOORS, ROOF & VEHICLE SECURITY

DOOR LOCK FUNCTION

INTELLIGENT KEY SYSTEM

System Diagram


JMKIA2856GB.JPG

System Description


Only when pressing the request switch, it is possible to lock and unlock the door by carrying the Intelligent Key.
 
 OPERATION DESCRIPTION

  • When the BCM detects that each door request switch is pressed, it activates the outside key antenna and inside key antenna corresponding to the pressed door request switch and transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the door.
  • If the Intelligent Key is within the outside key antenna detection area, it receives the request signal and transmits the key ID signal to the BCM via remote keyless entry receiver.
  • BCM receives the key ID signal and compares it with the registered key ID.
  • BCM lock/unlock each door and sounds Intelligent Key warning buzzer (lock: 2 time, unlock: 1 times) at the same time as a reminder.
 
 OPERATION CONDITION

If the following conditions are satisfied, door lock/unlock operation is performed when the request switch is operated.

Each request switch operation
Operation condition
Lock operation
  • All doors are closed
  • Intelligent Key is outside the vehicle
  • Intelligent Key is within outside key antenna detection area
Unlock Operation
  • Intelligent Key is outside the vehicle
  • Intelligent Key is within outside key antenna detection area *
*: Even with a registered Intelligent Key remaining inside the vehicle, door locks can be unlocked from outside of the vehicle with a spare Intelligent Key as long as key IDs are different.

 
 OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of door lock/unlock function is in the range of approximately 80 cm (31.50 in) surrounding the driver and passenger door handles and (1) and trunk lid opener request switch (2). However, this operating range depends on the ambient conditions.

JMKIA2511ZZ.JPG
 
 SELECTIVE UNLOCK FUNCTION

When an LOCK signal is sent from door request switch (driver side or passenger side), all doors and fuel lid will be locked.
When an UNLOCK signal is sent from door request switch (driver side or passenger side) once, driver's door and fuel lid will be unlocked.
Then, if an UNLOCK signal is sent from door request switch (driver side or passenger side) again within 60 seconds, all other door will be unlocked.
 
 HAZARD AND BUZZER REMINDER FUNCTION

During lock, unlock, operation by each request switch, the hazard warning lamps and Intelligent Key warning buzzer will blink or honk as a reminder.
When doors are locked, unlocked by each request switch, BCM honks Intelligent Key warning buzzer as a reminder and blinks.
 
 Operating Function of Hazard and Buzzer Reminder

Operation
Hazard warning lamp flash
Intelligent Key warning buzzer honk
Unlock
Once
Once
Lock
Twice
Twice

 
 How to Change Hazard and Buzzer Reminder Mode
 
 AUTO DOOR LOCK FUNCTION

When all doors are locked, ignition switch is in OFF position and key switch is OFF (Intelligent Key is not inserted in key slot). Doors are unlocked with door request switch.
When BCM does not receive the following signals within 60 seconds, all doors are locked.
  • Door switch is ON (door is opened)
  • Door is locked
  • Ignition switch is ON (ignition switch is pressed)
Auto door lock mode can be changed by “AUTO LOCK SET” mode in “WORK SUPPORT”. Refer to CONSULT-III Function (BCM - INTELLIGENT KEY).
 
 LIST OF OPERATION RELATED PARTS

The operation related parts are marked with ×.

Door lock function
Intelligent Key
Key slot
Remote keyless entry receiver
Door switch
Door request switch
Door lock actuator
Inside key antenna
Outside key antenna
Intelligent Key warning buzzer
CAN communication system
BCM
Hazard warning lamp
Push-button ignition switch
Combination meter
Door lock/unlock function by request switch
×
×
×
×
×
×
×
×


×



Hazard and buzzer reminder function for door lock/unlock operation








×
×
×
×

×
Key reminder function
×
×
×
×
×
×
×
×
×

×
×


Auto door lock function
×
×

×
×
×




×

×


Component Parts Location



JMKIA2800ZZ.JPG

1.
 		BCM M118, M119, M120,M121, M122, M123
 		2.
 		Remote keyless entry receiver M134
 		3.
 		Inside key antenna (console) M146
4.
 		Outside key antenna (rear bumper) B60
 		5.
 		Inside key antenna (trunk room) B41
 		6.
 		Outside handle LH (request switch) D13
7.
 		Outside antenna (driver side) D24
 		8.
 		Inside antenna (instrument center) M75
 		9.
 		Intelligent key warning buzzer (engine room) E62
10.
 		Trunk lid opener request switch B153
 		11.
 		Trunk lid opener cancel switch M105
 		12.
 		Combination meter M53
A.
 		Dash side lower (passenger side).
 		B.
 		Behind display unit.
 		C.
 		Back of rear console assembly.
D.
 		Behind rear bumper.
 		E.
 		Behind trunk front finisher.
 		F.
 		Back of door finisher.
G.
 		Back of cluster kid C (lower).
 		H.
 		Behind air cleaner box (RH).





JMKIA2801ZZ.JPG

1.
 		Control device (detention switch) B20
 		2.
 		Key slot M60
 		3.
 		Trunk lid opener switch M20
4.
 		Key warning lamp
 		5.
 		Trunk lid lock assembly (trunk lid opener actuator) B352
 		6.
 		Fuel lid lock actuator B244
7.
 		Driver side door lock actuator D15
 		8.
 		Power window main switch (door lock and unlock switch) D8
 		9.
 		Driver side door switch B21
10.
 		Horn low E81,E82
 		11.
 		Horn high E79,E80

A.
 		View with center console assembly removed.
 		B.
 		View with trunk lid finisher removed.
 		C.
 		View with trunk side finisher removed.
D.
 		Behind front bumper




Component Description


Item
 		Function
BCM
 		Controls the door lock function.
Door lock actuator
 		Receives lock/unlock signal from BCM and locks/unlocks each door.
Unlock sensor
 		Detects door lock condition of driver 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.
Combination meter
 		Receives hazard warning lamp signal from BCM and blinks turn signal indicators.
Intelligent Key warning buzzer
 		Warns the user of the lock/unlock condition and inappropriate operations with the buzzer sound.