Nissan Ariya: System (intelligent Key System)

• Intelligent Key System
• Door Lock Function
• Approach Unlock/walk Away Lock Function
• Back Door Open Function
• Remote Keyless Entry Function
• Key Reminder Function
• Sleep Mode Function
• Power Consumption Control System
• Information Display (combination Meter)
• Warning/indicator/chime List

Intelligent Key System

System Description

SYSTEM DIAGRAM

^*1: With automatic back door system models

^*2: Without automatic back door system models

^*1: Without automatic back door system models

^*2: With automatic back door system models

SYSTEM DESCRIPTION

• The Intelligent Key system is a system that makes it possible to lock and unlock the door locks by carrying the Intelligent Key, which operates based on the results of electronic ID verification using two-way communication between the Intelligent Key and the Nissan Ariya vehicle (Intelligent Key unit).

  NOTE:

  The driver should always carry the Intelligent Key

• The settings for each function can be changed with CONSULT and combination meter.

• If an Intelligent Key is lost, a new Intelligent Key can be registered. A maximum of 4 Intelligent Keys can be registered.

• It is possible to perform a diagnosis on the system and register an Intelligent Key with CONSULT.

Circuit Diagram

Fail-safe

Door Lock Function

System Description

SYSTEM DIAGRAM

Door lock function controls operation function of the following items.

• Door lock and unlock function (door request switch)

• Selective unlock function (door request switch)

• Reminder function (door request switch)

• Auto door lock function (door request switch)

DOOR LOCK AND UNLOCK FUNCTION (DOOR REQUEST SWITCH)

When pressing the door request switch, it is possible to lock and unlock the door by carrying the Intelligent Key.

Operation Description

• When the Intelligent Key unit detects that 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. 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 Intelligent Key unit.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID to the Nissan Ariya vehicle.

• If the verification result is OK, Intelligent Key unit transmits the door lock/unlock request signal to BCM via CAN communication.

• BCM transmits door lock/unlock signal to each door lock actuator, activates each door lock actuator when receiving door lock/unlock request signal from Intelligent Key unit.

Operation Condition

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

NOTE:

If the Intelligent Key is in sleep mode, it cannot communicate with the Nissan Ariya vehicle, so door lock function does not operate.

SELECTIVE UNLOCK FUNCTION (DOOR REQUEST SWITCH)

Lock Operation

When an LOCK signal is sent from back door request switch , all doors are locked.

Unlock Operation

When an UNLOCK signal from back door request switch is transmitted, back door unlocks. When back door request switch is operated again within 60 seconds, all door unlocks.

SELECTIVE UNLOCK FUNCTION SETTING

The selective unlock function setting can be changed in "Vehicle Settings" of combination meter.

NOTE:

When "Approach Unlock" in "Vehicle Settings" of "combination meter" is [On], selective unlock function cannot operates.

REMINDER FUNCTION (DOOR REQUEST SWITCH)

When doors are locked or unlocked by door request switch, BCM blinks hazard warning lamps as a reminder or Intelligent Key warning buzzer signal to Intelligent Key unit via CAN communication. Reminder function does not operate if power switch in READY position. The reminder function has C mode and S mode.

*: Work support mode [Intelligent Key system answer back function setting] setting is "On"

How to Change Reminder Function Operation Mode

• Reminder function operation mode can be changed using combination meter setting.

• When lock and unlock signal are sent from the Intelligent Key for more than 4 seconds at the same time, the hazard and buzzer reminder mode is changed and hazard warning lamp blinks and horn sounds as per the following items.

  

AUTO DOOR LOCK FUNCTION (DOOR REQUEST SWITCH)

After door is unlocked by door request switch operation and if 30 seconds or more passes without performing the following operation, all doors are automatically locked. However, reminder function does not activate.

OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of door lock/unlock function is in the range of approximately 0.8 m (31.50 in) surrounding the back door request switch . However, this operating range depends on the ambient conditions.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Approach Unlock/walk Away Lock Function

System Description

SYSTEM DIAGRAM

APPROACH UNLOCK/WALK AWAY LOCK FUNCTION

Approach unlock/walk away lock function controls following operation function items.

• Door lock and unlock function

• Reminder function

• Auto door lock function

DOOR LOCK AND UNLOCK FUNCTION

With the carrying the Intelligent Key, the door can be unlocked when approaching the vehicle and the door can be locked when away from the Nissan Ariya vehicle.

NOTE:

• Since it is OFF at the time of shipment from the factory, turn it ON with "Nissan Ariya Vehicle Settings" of the meter when using it.

• When "Selective Unlock" in "Vehicle Settings" of "combination meter" is [On], approach unlock function cannot operates.

OPERATION DESCRIPTION (APPROACH UNLOCK)

• The Intelligent Key unit transmits the key ID signal if the Intelligent Key enters the approach unlock operating range.

• The Intelligent Key unit receives the key ID signal and collate it with the registered key ID in the Nissan Ariya vehicle.

• When the key ID match, the Intelligent Key unit transmits the door lock/unlock request signal to the BCM.

• When the BCM receives door lock/unlock request signal from the Intelligent Key unit, all doors are unlocked.

OPERATION DESCRIPTION (WALK AWAY LOCK)

• When the Intelligent Key unit detects that the Intelligent Key has been taken out of the walk away lock operating range when getting off, transmits the key ID signal to the Intelligent Key unit.

• The Intelligent Key unit receives the key ID signal and collates it with the registered key ID in the Nissan Ariya vehicle.

• When the key ID match, the Intelligent Key unit transmits the door lock/unlock request signal to the BCM.

• When the BCM receives door lock/unlock request signal from the Intelligent Key unit, all doors are locked.

OPERATION CONDITION

Approach unlock/walk away lock will operates when all of the following operating conditions are satisfied.

NOTE:

If the Intelligent Key is in sleep mode, it cannot communicate with the Nissan Ariya vehicle, so approach unlock/walk away lock function does not operate.

APPROACH UNLOCK OPERATING RANGE

Operating range of approach unlock function is approximately 1 m (39.37 in) around the vehicle . However this operating range may change depending on the surrounding conditions.

WALK AWAY LOCK OPERATING RANGE

Operating range of walk away lock function is approximately 2 m (78.74 in) around the vehicle . However this operating range may change depending on the surrounding conditions.

REMINDER FUNCTION

When doors are locked or unlocked by approach unlock/walk away lock function, BCM blinks hazard warning lamps as a reminder.

*: Work support mode [Intelligent Key system answer back function setting] setting is ON.

AUTO DOOR LOCK FUNCTION

When the following operations are not performed within approximately 30 seconds after door is unlocked by approach unlock, the Intelligent Key unit locks all doors. However, the reminder function does not activate.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Back Door Open Function

System Description

SYSTEM DIAGRAM

*¹: With automatic back door system models

*²: Without automatic back door system models

BACK DOOR OPEN FUNCTION

This section describes the operation of the back door opener switch.

• The back door open function can open the back door by pressing the back door opener switch while carrying the Intelligent Key and all doors are locked.

• The back door open function enables the back door to be opened by pressing back door opener switch after BCM transmits UNLOCK signal to each door. Refer to System Description.

OPERATION DESCRIPTION (WITHOUT AUTOMATIC BACK DOOR SYSTEM MODELS)

• When the BCM detects that back door opener switch is pressed, then Intelligent Key unit transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the back 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 Intelligent Key unit.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID to the Nissan Ariya vehicle.

• If the verification result is OK, BCM unlock and opens back door.

OPERATION DESCRIPTION (WITH AUTOMATIC BACK DOOR SYSTEM MODELS)

• When the BCM detects that back door opener switch is pressed, then Intelligent Key unit transmits the request signal to the Intelligent Key. And then, check that the Intelligent Key is near the back 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 Intelligent Key unit.

• Intelligent Key unit receives the key ID signal and compares it with the registered key ID.

• If the verification result is OK, Intelligent Key unit transmits the back door open request signal to automatic back door control unit via CAN communication.

• Automatic back door control unit transmits back door open request signal to back door lock assembly and back door is open.

• When the back door is open, automatic back door system performs waiting operation for next back door close operation.

  The operation of then back door open is the same as the automatic back door system, refer to System Description.

OPERATION CONDITION

If the following conditions are satisfied, the back door can be opened.

NOTE:

If the Intelligent Key is in sleep mode, it cannot communicate with the Nissan Ariya vehicle, so back door open function does not operate.

OUTSIDE KEY ANTENNA DETECTION AREA

The outside key antenna detection area of back door open function is in the range of approximately 0.8 m (31.50 in) surrounding back door opener switch . However, this operating range depends on the ambient conditions.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Remote Keyless Entry Function

System Description

SYSTEM DIAGRAM

Remote keyless entry function controls operation function of the following items.

• Door lock and unlock function (Intelligent Key)

• Selective unlock function (Intelligent Key)

• Reminder function (Intelligent Key)

• Auto door lock function (Intelligent Key)

• Automatic back door open/close function

• Panic alarm

DOOR LOCK AND UNLOCK FUNCTION (INTELLIGENT KEY)

Operation Description

• When door lock/unlock button of the Intelligent Key is pressed, lock signal or unlock signal is transmitted from Intelligent Key to Intelligent Key unit.

• Intelligent Key unit receives the signal and compares it with the registered key ID to the Nissan Ariya vehicle.

• If the verification result is OK, Intelligent Key unit transmits the door lock/unlock request signal to BCM via CAN communication.

• BCM transmits door lock/unlock signal to each door lock actuator, activates each door lock actuator.

Operation Condition

If the following condition is satisfied, door lock and unlock operation is performed if the Intelligent Key button is pressed.

SELECTIVE UNLOCK FUNCTION (INTELLIGENT KEY)

Lock Operation

When LOCK signal is transmitted from Intelligent Key, all doors are locked.

Unlock Operation

• When an UNLOCK signal is transmitted from Intelligent Key once, driver door is unlocked.

• Then, if an UNLOCK signal is transmitted from Intelligent Key again with in 60 seconds, all other doors are unlocked.

SELECTIVE UNLOCK FUNCTION SETTING

The selective unlock function setting can be changed in "Vehicle Settings" of combination meter.

NOTE:

When "Approach Unlock" in "Vehicle Settings" of "combination meter" is [On], selective unlock function cannot operates.

REMINDER FUNCTION (INTELLIGENT KEY)

Operation Description

When doors are locked or unlocked by Intelligent Key button operation, BCM blinks hazard warning lamps as a reminder and transmits horn request signal to IPDM E/R via CAN communication. Reminder function does not operate if power switch in READY position. The reminder function has C mode and S mode.

*: Work support mode [Intelligent Key system answer back function setting] setting is "On"

How to Change Reminder Function Operation Mode

• Reminder function operation mode can be changed using combination meter setting.

• When lock and unlock signal are sent from the Intelligent Key for more than 4 seconds at the same time, the hazard and buzzer reminder mode is changed and hazard warning lamp blinks and horn sounds as per the following items:

  

AUTO DOOR LOCK FUNCTION (INTELLIGENT KEY)

After door is unlocked by Intelligent Key button operation and if 30 seconds or more passes without performing the following operation, all doors are automatically locked. However, reminder function does not activate.

OPERATION AREA

To check that the Intelligent Key works normally, use within 1 m (39.37 in) range of each door, however the operable range may differ according to surroundings.

AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION

When back door open button is pressed, back door open automatically for detailed description. Refer to System Description

PANIC ALARM

When Intelligent Key panic alarm button is pressed, horn sounds and head lamp blinks. Refer to System Description.

LIST OF OPERATION RELATED PARTS

Parts marked with × are the parts related to operation.

Key Reminder Function

System Description

SYSTEM DIAGRAM

BASIC OPERATION

Key reminder is the function that prevents the key from being left in the vehicle.

Key reminder has the following 2 functions.

*:If the door closing impact shocks the door lock knob, or contacts against baggage with the door lock knob might activate the door locks accidentally but unlock operation is perform in these cases.

NOTE:

• The above function operates when the Intelligent Key is inside the Nissan Ariya vehicle. However, there may be times when the Intelligent Key cannot be detected, and this function does not operate when the Intelligent Key is on the instrument panel or in the glove box. Also, this system sometimes does not operate if the Intelligent Key is in the door pocket for the open door.

• If the Intelligent Key is in sleep mode, it cannot communicate with the Nissan Ariya vehicle, so key reminder function does not operate.

Sleep Mode Function

System Description

SLEEP MODE

When operating Intelligent Key button, the function of Intelligent Key is temporarily stopped.

OPERATION DESCRIPTION

• When pressing the UNLOCK button twice while pressing the LOCK button of the Intelligent Key, the LED of the Intelligent Key will light for approximately 1 second.

• When pressing the LOCK button of the Intelligent Key once while the LED is lit, the LED will blink twice quickly and go into sleep mode.

NOTE:

To make sure it in sleep mode, operate door request switch or one touch sensor and check the door lock or unlock does not operate.

CANCEL CONDITION

Press either button of Intelligent Key.

NOTE:

If button is operated during sleep mode, it came out of sleep mode and executes the operation of the pressed button at the same time.

REMINDER FUNCTION

LED of Intelligent key blinks twice quickly.

Power Consumption Control System

System Description

SYSTEM DIAGRAM

Description

• Intelligent Key unit incorporates a power consumption control function that reduces the power consumption according to the Nissan Ariya vehicle status.

• Intelligent Key unit changes its status (control mode) with the sleep wake up signal received from BCM via CAN communication.

  Normal mode (wake-up)

  • CAN communication is normally performed with other control units.

  • Individual unit control by Intelligent Key unit is normally performed.

  Low power consumption mode (sleep)

  • Low power consumption control is active.

  • CAN transmission is stopped.

Sleep Mode Activation

• Intelligent Key unit judges that the sleep-ready conditions are fulfilled when the power switch is OFF and none of the conditions below are present. Then it transmits a sleep-ready signal (ready) to BCM via CAN communication.

  • Outputting signals to actuators.

  • Output requests are being received from control units via CAN communication.

• Intelligent Key unit stops CAN communication and enters the low power consumption mode when it receives a sleep wake up signal (sleep) from BCM and the sleep-ready conditions are fulfilled.

Wake-Up Operation

• Intelligent Key unit changes from the low power consumption mode to the normal mode when it receives a sleep wake-up signal (wake up) from BCM or any of the following conditions is fulfilled. In addition, it transmits a sleep-ready signal (not-ready) to BCM via CAN communication to report the CAN communication start.

  • Power switch ON.

  • Power switch status changes.

  • Door request switch status changes.

  • Each one touch sensor status changes.

  • An output request is received from a control unit via CAN communication.

Information Display (combination Meter)

Door Open Warning

DESIGN/PURPOSE

Information display warns the driver that each door is open or is not fully closed.

SYNCHRONIZATION WITH MASTER WARNING LAMP

Synchronization is applied.

Refer to Master Warning Lamp.

SYSTEM DIAGRAM

SIGNAL PATH

• BCM transmits door switch signal to combination meter via CAN communication.

• When combination meter judges according to received door switch signal that a door is open or not fully closed, door open warning displays.

WARNING/INDICATOR OPERATING CONDITION

Each door switch is ON

WARNING/INDICATOR CANCEL CONDITION

All door switches are OFF

TIMING CHART

READY Set Information

DESIGN/PURPOSE

Information display informs the driver that the can be set READY.

SYNCHRONIZATION WITH MASTER WARNING LAMP

No applicable

SYSTEM DIAGRAM

SIGNAL PATH

• Intelligent Key unit receives shift position signal and READY condition signal from VCM via CAN communication and checks that the Nissan Ariya vehicle can set READY.

• When Intelligent Key unit detects that the vehicle can set READY, meter display signal is transmitted by Intelligent Key unit to combination meter via CAN communication.

• When combination meter receives meter display signal, READY set information displays.

WARNING/INDICATOR OPERATION CONDITION

Power Switch is ON.

When all of the following conditions are satisfied.

• Power switch is ON.

• Shift position: P position.

• Vehicle can be set to READY.

When Power Switch is Other Than ON.

When all of the following conditions are satisfied.

• One condition of A

• All conditions of B

  A condition	B condition
  Any door is open → All door is closed Power switch: Pressed Intelligent Key backside is contacted to power switch while brake pedal is depressed.	Power switch: OFF Shift position: P position Registered Intelligent Key is detected inside Nissan Ariya vehicle.

WARNING/INDICATOR CANCEL CONDITION

When Power Switch is ON.

When any of the following conditions are satisfied.

• Vehicle is in READY condition.

• Shift position: Other than P position.

When Power Switch is Other than ON.

When any of the following conditions are satisfied.

• Shift position: Other than P position.

• Registered Intelligent Key is not detected inside the Nissan Ariya vehicle.

• When Intelligent Key unit receives Intelligent Key button operation.

• When Intelligent Key unit receives door request switch signal from door request switch.

• When Intelligent Key unit receives one touch sensor signal from one touch sensor.

• After 15 seconds are passed since the READY set information is displayed.

Intelligent Key Low Battery Warning

DESIGN/PURPOSE

Information display warns the driver that Intelligent Key battery level is low.

NOTE:

Information display does not display when Intelligent Key battery is discharged.

SYNCHRONIZATION WITH MASTER WARNING LAMP

No applicable

SYSTEM DIAGRAM

SIGNAL PATH

• When Intelligent Key receives request signal from inside key antenna or outside key antenna, transmits key ID signal is transmitted from Intelligent Key to Intelligent Key unit.

• Intelligent Key unit receives key ID signal and detects that Intelligent Key battery level is low.

• When Intelligent Key unit detects that power switch is ON, meter display signal is transmitted by Intelligent Key unit to combination meter via CAN communication.

• When combination meter receives meter display signal, Intelligent Key low battery warning displays.

WARNING/INDICATOR OPERATING CONDITION

When all of the following conditions are satisfied.

• Power switch is ON.

• Intelligent Key battery level is low.

WARNING/INDICATOR CANCEL CONDITION

When any of the following conditions are satisfied.

• After 30 seconds are passed since the Intelligent Key low battery warning is displayed

• Power switch is other than ON.

• When Intelligent Key backside is contacted to power switch while brake pedal is depressed.

TIMING CHART

Intelligent Key System Malfunction

DESIGN/PURPOSE

Information display warns the driver that Intelligent Key system malfunctions or that vehicle cannot set READY.

SYNCHRONIZATION WITH MASTER WARNING LAMP

Synchronization is applied.

Refer to Master Warning Lamp.

SYSTEM DIAGRAM

SIGNAL PATH

• When Intelligent Key unit detects that Intelligent Key system malfunctions or that the engine cannot be started, meter display signal is transmitted by Intelligent Key unit to combination meter via CAN communication.

• When combination meter receives meter display signal, Intelligent Key system malfunction displays.

WARNING/INDICATOR OPERATING CONDITION

When any of the following conditions are satisfied.

• The vehicle cannot set READY.

• Intelligent Key system malfunction is detected.

WARNING/INDICATOR CANCEL CONDITION

When any of the following conditions are satisfied.

• Intelligent Key system malfunction or vehicle cannot set READY status is resolved.

• Ignition switch is turned to OFF, and 15 seconds are passed.

TIMING CHART

Key ID Verification Information

DESIGN/PURPOSE

If the system cannot detect a registered Intelligent Key inside the vehicle, it informs the driver that it is necessary for the Nissan Ariya vehicle to detect a registered Intelligent Key.

SYNCHRONIZATION WITH MASTER WARNING LAMP

No applicable

SYSTEM DIAGRAM

SIGNAL PATH

• Intelligent Key unit activates NATS antenna amp. and checks that Intelligent Key is in vehicle, when power switch operation is performed while power switch is OFF.

• When Intelligent Key unit does not detect a registered Intelligent Key in Nissan Ariya vehicle, meter display signal is transmitted by Intelligent Key unit to combination meter via CAN communication.

• When combination meter receives meter display signal, key ID verification information displays.

WARNING/INDICATOR OPERATION CONDITION

When all of the following conditions are satisfied.

• Power switch is OFF.

• Power switch operation is performed.

• Registered Intelligent Key is not detected inside the Nissan Ariya vehicle.

WARNING/INDICATOR CANCEL CONDITION

When any of the following conditions are satisfied.

• After 5 seconds are passed since the key ID verification information is displayed.

• When Intelligent Key backside is contacted to power switch. And then turn power switch ON.

• Registered Intelligent Key is detected inside the Nissan Ariya vehicle.

Take Away Warning (Information Display)

DESIGN/PURPOSE

Information display warns the driver that Intelligent Key is not detected in vehicle.

SYNCHRONIZATION WITH MASTER WARNING LAMP

Synchronization is applied.

Refer to Master Warning Lamp.

SYNCHRONIZATION WITH WARNING CHIME

Take away warning

Refer to Take Away Warning (Buzzer).

SYSTEM DIAGRAM

SIGNAL PATH

• Intelligent Key unit transmits meter display signal to combination meter via CAN communication, when take away warning (buzzer) is operated.

• When combination meter receives meter display signal, take away warning displays.

WARNING/INDICATOR OPERATING CONDITION

Take away warning (buzzer) operates.

Refer to Take Away Warning (Buzzer).

WARNING/INDICATOR CANCEL CONDITION

Take away warning (buzzer) is canceled.

Refer to Take Away Warning (Buzzer)

TIMING CHART

Warning/indicator/chime List

Warning Lamp/Indicator (Information Display)

Warning Chime

System DescriptionEcu Diagnosis Information