DOOR LOCK FUNCTION : System Description

WARNING: This page is about a different car, the 2011 Nissan 370Z. However, it is still accessible from the selected car via links, so may be relevant.

Only when pressing the door 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 starts the outside key antenna and inside key antenna corresponding to the pressed door request switch and transmits the request signal to the Intelligent Key. 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 (except back door) and fuel lid and sounds Intelligent Key warning buzzer (lock: 2 times, unlock: 1 time) at the same time as a reminder.

OPERATION CONDITION

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

DOOR REQUEST SWITCH OPERATION CONDITION

Each door request switch operation

Operation condition

Lock operation

All doors are closed
P position warning is not activated
Panic alarm is not activated
Intelligent Key is outside the vehicle
Intelligent Key is within outside key antenna detection area

Unlock operation

Panic alarm is not activated
Intelligent Key is outside the vehicle
Intelligent Key is within outside key antenna detection area ⁽¹⁾

⁽¹⁾	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 rear pillar LH/RH (1) and the back door request switch (2). However, this operating range depends on the ambient conditions.

Fig 1: Identifying Outside Key Antenna Detection Area

Courtesy of NISSAN MOTOR CO., U.S.A.

SELECTIVE UNLOCK FUNCTION

Lock Operation

When an LOCK signal is sent from door request switch (driver side, passenger side, back door), all doors and fuel lid are locked.

Unlock Operation

When an UNLOCK signal from driver side door request switch is transmitted, driver side door and fuel lid unlocks. When another UNLOCK signal is transmitted within 60 seconds, all other doors unlocks.
When an UNLOCK signal from passenger side door request switch is transmitted, passenger side door unlocks. When another UNLOCK signal is transmitted within 60 seconds, all other doors and fuel lid unlocks.
When an UNLOCK signal from back door request switch is transmitted, back door open permission is set. When another UNLOCK signal is transmitted within 60 seconds, all doors (except back door) and fuel lid unlock.

Selective unlock operation mode can be changed using "DOOR LOCK-UNLOCK SET" mode in "WORK SUPPORT". Refer to "DOOR LOCK : CONSULT-III FUNCTION (BCM - DOOR LOCK) ".

AUTO DOOR LOCK FUNCTION

After door is unlocked by door request switch operation and if 60 seconds or more passes without performing the following operation, all doors and fuel filler lid are automatically locked. However, operation check function does not activate.

OPERATING CONDITION

Operating condition

Door switch is ON (door is open)
Door is locked
Push switch is pressed
Intelligent Key is inserted in key slot

Auto door lock mode can be changed by the "AUTO LOCK SET" mode in "WORK SUPPORT". Refer to "INTELLIGENT KEY : CONSULT-III FUNCTION (BCM - INTELLIGENT KEY) ".

HAZARD AND BUZZER REMINDER FUNCTION

During lock or unlock operation by each door request switch, the hazard warning lamps blink and Intelligent Key warning buzzer or horn sounds as a reminder.

When doors are locked or unlocked by each door request switch, BCM sounds Intelligent Key warning buzzer or horn and blinks hazard warning lamps as a reminder.

Operating Function of Hazard and Buzzer Reminder

OPERATION REFERENCE

Operation	Hazard warning lamp blinks	Intelligent Key warning buzzer sounds	Horn sounds
Unlock	Once	Once	---
Lock	Twice	Twice	Once

Hazard and buzzer reminder does not operate in the following conditions.

Ignition switch position is ON
Door is open (only lock operation)

How to Change Hazard and Buzzer Reminder Mode

Refer to "INTELLIGENT KEY : CONSULT-III FUNCTION (BCM - INTELLIGENT KEY) ".

LIST OF OPERATION RELATED PARTS

Parts marked with x are the parts related to operation.

Fig 2: Operation Related Parts List

Courtesy of NISSAN MOTOR CO., U.S.A.