Nissan Ariya: System Description

• Component Parts. Door Lock System
• System (power Door Lock System)
• System (intelligent Key System)
• System (back Door Opener System)
• System (automatic Back Door System)
• System (charge Port Lid Open Control)
• Diagnosis System (bcm)
• Diagnosis System (intelligent Key Unit)
• Diagnosis System (automatic Back Door Control Unit)

Component Parts. Door Lock System

Component Parts Location

VIEW WITH FRONT

	Rear door lock assembly RH		Front door lock assembly (passenger side)		Door lock and unlock switch (passenger side)
	BCM Refer to Component Parts Location.		Charge port lid actuator		IPDM E/R Refer to Component Parts Location.
	Horn high		VCM Refer to Component Parts Location.		Horn low
	ABS actuator and electric unit (control unit) Refer to Component Parts Location.		TCU Refer to Component Parts Location.		Door lock and unlock switch (driver side)
	Front door lock assembly (driver side)		Rear door lock assembly LH		Outside key antenna (rear door LH/RH)
	Intelligent Key warning buzzer		Outside key antenna (front bumper)
	View with rear door finisher removed		View with radiator core support		View with front bumper fascia removed

VIEW WITH REAR

	Integrated interface display (combination meter)		Automatic back door switch		Power switch
	One touch sensor (front LH)		One touch sensor (rear LH)		Back door lock assembly
	Back door opener switch assembly		One touch sensor (rear RH)		One touch sensor (front RH)
	Intelligent Key unit		Automatic back door close switch assembly		Touch sensor
	Spindle unit		Automatic back door warning buzzer		Outside key antenna (rear bumper)
	Hands free sensor (upper side)		Hands free sensor (lower side)		Hands free sensor control unit
	Automatic back door control unit
	View with instrument pad B removed		View with back door opened		View with rear bumper fascia removed
	View with back side of rear bumper fascia		View with luggage side lower finisher RH removed

Automatic Back Door Close Switch Assembly

COMPONENT FUNCTION WITHIN SYSTEM

• When automatic back door close switch is pressed, back door auto close or reverse operation.

• When automatic back door lock and close switch is pressed, back door auto close and door lock operation.

INDIVIDUAL COMPONENT FUNCTION

• The automatic back door close switch transmits the automatic back door close switch signal to the automatic back door control unit.

• The automatic back door lock and close switch transmits the automatic back door lock and close switch signal to the automatic back door control unit.

COMPONENT OPERATION

COMPONENT PARTS LOCATION

Automatic back door lock and close switch assembly is installed back door panel. Refer to Component Parts Location.

Automatic Back Door Control Unit

COMPONENT FUNCTION WITHIN SYSTEM

The automatic back door control unit detects the statuses of the back door and the vehicle using various signals to control the automatic back door system.

INDIVIDUAL COMPONENT FUNCTION

Automatic back door control unit controls the automatic back door system. Refer to System Description.

COMPONENT PARTS LOCATION

Automatic back door control unit is installed behind luggage side lower finisher RH. Refer to Component Parts Location.

Automatic Back Door Switch

COMPONENT FUNCTION WITHIN SYSTEM

When automatic back door switch is pressed, back door auto open/close operation.

INDIVIDUAL COMPONENT FUNCTION

Transmits automatic back door switch signal to automatic back door control unit.

COMPONENT OPERATION

COMPONENT PARTS LOCATION

Automatic back door switch is installed in the instrument lower panel. Refer to Component Parts Location.

Automatic Back Door Warning Buzzer

COMPONENT FUNCTION WITHIN SYSTEM

The automatic back door warning buzzer is notifies the user of the start of operations automatic back door system.

INDIVIDUAL COMPONENT FUNCTION

Operates when automatic back door warning buzzer signal is received from automatic back door control unit.

COMPONENT PARTS LOCATION

Automatic back door warning buzzer is installed in behind the rear bumper fascia. Refer to Component Parts Location.

Back Door Lock Assembly

COMPONENT FUNCTION WITHIN SYSTEM

With Automatic Back Door System

The back door lock assembly detects the back door status of the automatic back door system.

Without Automatic Back Door System

• The back door opener actuator opens the back door according to the operation signal from the BCM.

• The back door switch detects the open/close status of the back door and transmits the door switch signal to the BCM.

INDIVIDUAL COMPONENT FUNCTION

With Automatic Back Door System

• Back door lock assembly integrates back door closure motor, half latch switch, open switch, close switch and back door switch.

• Closure motor: Inputs open/close signal from automatic back door control unit and activates the back door auto closure operation.

• Half latch switch: Detects half status of back door.

• Open switch: Stops the closure motor open operation.

• Close switch: Stops the closure motor close operation.

• Back door switch: Detects open/close status of back door.

  

Without Automatic Back Door System

Back door lock assembly has back door opener actuator and back door switch built-in.

COMPONENT OPERATION

*: With automatic back door system

COMPONENT PARTS LOCATION

Back door lock assembly is installed in back door panel. Refer to Component Parts Location.

Back Door Opener Switch Assembly

COMPONENT FUNCTION WITHIN SYSTEM

• When the BCM receives the back door opener switch signal, it opens the back door.

• When the Intelligent Key unit receives the door request switch signal, it unlocks all the doors.

INDIVIDUAL COMPONENT FUNCTION

• The back door opener switch detects back door open operations and transmits the back door opener switch signal to the BCM.

• The door request switch detects door lock/unlock operations from the outside of the Nissan Ariya vehicle and transmits the door request switch signal to the Intelligent Key unit.

  

COMPONENT OPERATION

COMPONENT PARTS LOCATION

• Back door opener switch assembly has back door opener switch and back door request switch built-in.

• Back door opener switch assembly is installed in back door. Refer to Component Parts Location.

Door Lock Assembly

COMPONENT FUNCTION WITHIN SYSTEM

• Door lock actuator: Locks/unlocks door.

• Door switch: Detects door open/close condition.

• Unlock sensor: Detects lock/unlock status of driver side front door.

  

INDIVIDUAL COMPONENT FUNCTION

• Door lock actuator: Receives lock/unlock signal from BCM, and then locks/unlocks door.

• Door switch: Transmits door switch signal to BCM.

• Unlock sensor: Transmits unlock sensor signal to BCM.

COMPONENT OPERATION

COMPONENT PARTS LOCATION

• Door lock actuator and door switch is integrated in the door lock assembly.

• Unlock sensor is integrated in front door lock assembly (driver side).

• Door lock assemblies are installed in each doors. Refer to Component Parts Location.

Door Lock and Unlock Switch

COMPONENT FUNCTION WITHIN SYSTEM

Detects door lock/unlock operation.

INDIVIDUAL COMPONENT FUNCTION

Transmits door lock and unlock switch signal to BCM.

COMPONENT OPERATION

COMPONENT PARTS LOCATION

Door lock and unlock switch is integrated in front door finisher. Refer to Component Parts Location.

One Touch Sensor

COMPONENT FUNCTION WITHIN SYSTEM

When the outside of outside handle is touched the door lock operation is detected, and when inside is touched the door unlock operation is detected.

INDIVIDUAL COMPONENT FUNCTION

When outside or inside of the outside handle is touched transmits the one touch sensor signal to the Intelligent Key unit.

COMPONENT PARTS LOCATION

One touch sensor are installed in the outside handle of front and rear doors. Refer to Component Parts Location.

Hands Free Sensor

COMPONENT FUNCTION WITHIN SYSTEM

• When the user performs a kick motion toward rear bumper while carrying Intelligent Key as shown in the figure, hands free sensor (upper side) detects shin motion of leg and hands free sensor (lower side) detects instep motion of foot. This varies the voltage waveform of hands free sensor. Hands free sensor control unit judges user operation by detecting the voltage change of hands free sensor.

  NOTE: Quick forward kick and return while the Intelligent Key is within range. Wait approximately 2 seconds after kick.

  NOTE: Do not swing foot side to side or pause during kick.

• It is necessary to perform hands free within space as shown in the figure for activating the hands free sensor completely. The detection area may differ depending on the conditions of the surroundings.

  

  

• Intelligent Key must be carried for starting the operation of the automatic back door open/close function by hands free sensor operation (hands free function) with the back door stopped.

INDIVIDUAL COMPONENT FUNCTION

The hands free sensor converts the approaching of feet to voltage and transmits it to the hands free sensor control unit.

COMPONENT PARTS LOCATION

Hands free sensor (upper side) and hands free sensor (lower side) are installed in the rear bumper fascia. Refer to Component Parts Location.

Hands Free Sensor Control Unit

COMPONENT FUNCTION WITHIN SYSTEM

When hands free sensor (upper side) and hands free sensor (lower side) simultaneously detect that feet approach the sensors will the operation permission of the auto open/close function of the back door be judged.

INDIVIDUAL COMPONENT FUNCTION

Hands free sensor control unit judges user operation by detecting the voltage waveform change of hands free sensor (upper side) and hands free sensor (lower side). Hands free sensor control unit then transmits the automatic back door operation request signal to BCM via serial communication.

COMPONENT PARTS LOCATION

Hands free sensor control unit is installed in the rear bumper fascia. Refer to Component Parts Location.

Inside Key Antenna

COMPONENT FUNCTION WITHIN SYSTEM

Detects that Intelligent Key is within the inside detection area.

INDIVIDUAL COMPONENT FUNCTION

• Transmits detection status to Intelligent Key unit.

• Transmits request signal to Intelligent Key.

COMPONENT OPERATION

The Intelligent Key unit judges whether the Intelligent Key is detected within the detection range by the change of the inside key antenna signal (voltage waveform).

COMPONENT PARTS LOCATION

Inside key antenna integrated in power switch. Refer to Component Parts Location.

Intelligent Key Unit

COMPONENT FUNCTION WITHIN SYSTEM

Intelligent Key unit controls the Intelligent Key system.

INDIVIDUAL COMPONENT FUNCTION

Intelligent Key unit transmits door lock/unlock request signal to BCM (via CAN communication) according to following operation.

• Touch the one touch sensor.

• Press the door request switch.

• Press the Intelligent Key button.

COMPONENT PARTS LOCATION

Intelligent Key unit is behind instrument pad B. Refer to Component Parts Location.

Intelligent Key Warning Buzzer

COMPONENT FUNCTION WITHIN SYSTEM

The Intelligent Key warning buzzer checks the operation of the Intelligent Key, one touch sensor and door request switch and warns the user outside of the Nissan Ariya vehicle when they are operated inappropriately.

INDIVIDUAL COMPONENT FUNCTION

Operates when signal is received from Intelligent Key unit.

COMPONENT PARTS LOCATION

Intelligent Key warning buzzer is installed in back side of the radiator core support. Refer to Component Parts Location.

Outside Key Antenna

COMPONENT FUNCTION WITHIN SYSTEM

Detects that Intelligent Key is within the outside detection area.

• Front bumper

  

• Except front bumper

  

INDIVIDUAL COMPONENT FUNCTION

• Transmits detection status to Intelligent Key unit.

• Transmits request signal to Intelligent Key.

COMPONENT OPERATION

Outside key antenna (rear door LH/RH) , outside key antenna (rear bumper) and outside key antenna (front bumper) judge that the Intelligent Key is within the detection range outside the Nissan Ariya vehicle.

COMPONENT PARTS LOCATION

• Outside key antenna (rear door) are installed in behind of rear door finisher.

• Outside key antenna (rear bumper) is installed in behind of rear bumper.

• Outside key antenna (front bumper) is installed in behind of front bumper.

• For details: Refer to Component Parts Location.

Spindle Unit

COMPONENT FUNCTION WITHIN SYSTEM

• Spindle unit integrates encoder and spindle motor.

• Encoder: Automatic back door control unit receives the pulse signals from encoders A and B that occurred due to synchronization with the back door operation. The automatic back door control unit calculates the back door position, operation direction, and operation speed according to the received pulse signals.

• Spindle motor: Inputs open/close signal from automatic back door control unit and activates the automatic back door open/close operation.

INDIVIDUAL COMPONENT FUNCTION

• Encoder: Transmit encoder signal to automatic back door control unit.

• Spindle motor: Activates the automatic back door open/close operation.

COMPONENT PARTS LOCATION

Spindle unit installed in back door. Refer to Component Parts Location.

Touch Sensor

COMPONENT FUNCTION WITHIN SYSTEM

During back door close operation, the touch sensor detects any trapped foreign material.

INDIVIDUAL COMPONENT FUNCTION

Transmits touch sensor signal to automatic back door control unit.

COMPONENT PARTS LOCATION

Touch sensor is installed in back door panel. Refer to Component Parts Location.

Charge Port Lid Actuator

COMPONENT FUNCTION WITHIN SYSTEM

Charge port lid actuator receives lock/unlock signal from VCM, and then locks/unlocks charge port lid.

INDIVIDUAL COMPONENT FUNCTION

Charge port lid actuator operates lock/unlock the charge port lid.

COMPONENT OPERATION

Charging port lid locks / unlocks according to the signal from the VCM.

COMPONENT PARTS LOCATION

Charge port lid actuator is installed in charge port lid. Refer to Component Parts Location.

System (power Door Lock System)

System Description

SYSTEM DIAGRAM

DOOR LOCK FUNCTION

Door Lock and Unlock Switch

• Interlocked with the locking operation of door lock and unlock switch, door lock actuator of all doors are locked.

• Interlocked with the unlocking operation of door lock and unlock switch, door lock actuator of all doors are unlocked.

INTERIOR ROOM LAMP CONTROL FUNCTION

Interior room lamp is controlled according to door lock /unlock state, refer to System Description.

AUTOMATIC DOOR LOCK/UNLOCK FUNCTION (LOCK OPERATION)

The automatic door lock/unlock function is the function that locks all doors linked with the vehicle speed.

Vehicle Speed Sensing Auto Door Lock

All doors are locked when the vehicle speed reaches 25 km/h (15.5 MPH) or more.

BCM outputs the lock signal to all door lock actuators when it detects all doors are closed and the Nissan Ariya vehicle speed received from the ABS actuator and electric unit (control unit) via CAN communication becomes 25 km/h (15.5 MPH) or more.

Setting Change of Automatic Door Unlock Function

The automatic door lock/unlock function (lock operation) ON/OFF can be switched by performing the following operation.

1. Close all doors (door switch OFF)

2. Power switch: OFF→ON

3. Press and hold the door lock and unlock switch for 5 seconds or more in the lock direction within 20 seconds after turning the power supply position ON.

4. The switching is complete when the hazard lamp blinks.

   OFF → ON	: 2 blinks
   ON → OFF	: 1 blink

AUTOMATIC DOOR LOCK/UNLOCK FUNCTION (UNLOCK OPERATION)

The automatic door lock/unlock function is the function that unlocks all doors linked with the power position or shift position. It has 2 types as per the following items.

Power OFF Interlock Door Unlock

All doors are unlocked when the power position is changed from ON to OFF.

BCM outputs the unlock signal to all door lock actuators when it detects that the power position is changed from ignition switch ON to OFF.

P Range Interlock Door Unlock

All doors are unlocked when shifting the selector lever from any position other than the P to P position.

BCM outputs the unlock signal to all door lock actuators when it detects the shift position signal received from VCM via CAN communication is shifted from any position other than the P to P position.

Setting Change of Automatic Door Unlock Function

The automatic door lock/unlock function (unlock operation) ON/OFF can be switched by combination meter setting or performing the following operation.

1. Close all doors (door switch OFF)

2. Power switch: OFF→ON

3. Press and hold the door lock and unlock switch for 5 seconds or more in the unlock direction within 20 seconds after turning the power supply position ON.

4. The switching is complete when the hazard lamp blinks.

   OFF → ON	: 2 blinks
   ON → OFF	: 1 blink

REAR DOOR ALERT WARNING

It is a function to prevent mislay of luggage in the rear seat when getting off, by setting the function with the combination meter in advance when getting on.

Operation condition

When all of the following conditions are satisfied.

TELEMATICS LOCK/UNLOCK FUNCTION

BCM outputs the lock signal to all door lock actuators when it detects the door lock signal received from TCU via CAN communication.

Circuit Diagram

System (back Door Opener System)

System Description

SYSTEM DIAGRAM

BACK DOOR OPENER OPERATION

When back door opener switch is pressed, BCM operates back door opener actuator.

NOTE:

Back door opener actuator is not for locking the back door. The function is only to open the back door.

OPERATION CONDITION

If the following conditions are satisfied, back door opener operation is performed.

NOTE:

• When battery terminal is disconnected and reconnected during all doors unlock state, back door may not open.

• Regardless of door lock actuator state, BCM resets recognition of all doors unlock state approximately 30 seconds after battery terminal is disconnected and BCM recognizes that all doors are in lock state.

• When battery terminal is reconnected and back door does not open, have BCM recognize that all doors are in unlock state.

Circuit Diagram

System (automatic Back Door System)

System Description

SYSTEM DIAGRAM

The automatic back door system performs the automatic open/close operation of the back door by operating the automatic back door switch, automatic back door close switch, automatic back door lock and close switch, back door opener switch, hands free sensor and Intelligent Key.

Automatic back door system controls operation function of the following items.

• Hands free function (hands free sensor operation)

• Automatic open/close temporary stop function

• Back door open position setting function

• Automatic back door open/close function

• Warning function

• Back door auto closure function

• Anti-pinch function

HANDS FREE FUNCTION (HANDS FREE SENSOR OPERATION)

The hands free function is a function that automatically opens/closes the back door when the user moves a foot toward rear bumper and then pulls it back quickly (performs a kick motion).

Hands Free Sensor Operation

When the user performs a kick motion toward rear bumper while carrying Intelligent Key as shown in the figure, hands free sensor (upper side) detects shin motion of leg and hands free sensor (lower side) detects instep motion of foot. This varies the voltage waveform of hands free sensor. Hands free sensor control unit judges user operation by detecting the voltage change of hands free sensor.

Hands Free Sensor Detection Area

It is necessary to perform a kick motion within space as shown in the figure for activating the hands free sensor completely. The detection area may differ depending on the conditions of the surroundings.

NOTE:

• For activating the hands free function, a kick motion must be detected by both hands free sensor (upper side) and hands free sensor (lower side).

• Hands free sensor may not operate in a place near a radio-wave generation source such as a coin-operated parking lot or radio wave tower.

• Hands free sensor may not operate if shoes that block static electricity (safety shoes, etc.) are worn when operating hands free sensor.

• Hands free sensor may not operate if there is any metal near rear bumper.

• Automatic open/close function may operate if hands free sensor detects an animal, rain, an object, etc. when Intelligent Key is near the rear bumper.

• When automatic open function is activated by hands free function, BCM unlocks all doors and activates Intelligent Key warning buzzer.

Operation Condition

When all of the following conditions are satisfied

• Vehicle speed: 0 km/h

• Shift position: P position

• Power back door setting in combination meter: ON

• Intelligent Key: Within outside key antenna (rear bumper) detection area

Operation Description (Fully Closed to Fully Open of Back Door)

• When the user moves a foot toward rear bumper and pulls back quickly (performs a kick motion) while carrying Intelligent Key, voltage waveform change of hands free sensor (upper side) and hands free sensor (lower side) occurs.

• Hands free sensor control unit judges user operation by detecting the voltage waveform change of hands free sensor (upper side) and hands free sensor (lower side) . The hands free sensor control unit then transmits automatic back door operation request signal to BCM via serial communication.

• When BCM receives an automatic back door operation request signal from hands free sensor control unit, the BCM transmits a key ID verification request signal to Intelligent Key unit via CAN communication.

• When Intelligent Key unit receives a key ID verification request signal, Intelligent Key unit activates outside key antenna (rear bumper) and checks that Intelligent Key is near rear bumper.

• When Intelligent Key is within the outside key antenna (rear bumper) detection area, Intelligent Key receives the request signal and transmits the key ID signal to Intelligent Key unit.

• Intelligent Key unit receives key ID signal and verifies the received key ID with the registered key ID.

• When key IDs verification match, BCM transmits a key ID verification completed signal to automatic back door control unit via CAN communication. When selective unlock function is OFF, BCM unlocks all doors simultaneously. For details of selective unlock function, refer to System Description.

• When automatic back door control unit receives a key ID verification completed signal from BCM, the automatic back door control unit operates back door auto closure function and opens back door .

• Automatic back door control unit operates the automatic open function after back door auto closure function stops, and opens back door to the full open position^* automatically.

  ^*: Full open position can be changed with back door open position setting function.

Operation Description (Fully Open to Fully Closed of Back Door)

• When the user moves a foot toward rear bumper and pulls back quickly (performs a kick motion) while carrying Intelligent Key, voltage waveform change of hands free sensor (upper side) and hands free sensor (lower side) occurs.

• Hands free sensor control unit judges user operation by detecting the voltage waveform of hands free sensor (upper side) and hands free sensor (lower side) . The hands free sensor control unit then transmits an automatic back door operation request signal to BCM via serial communication.

• When BCM receives an automatic back door operation request signal from hands free sensor control unit, the BCM transmits a key ID verification request signal to Intelligent Key unit via CAN communication.

• When Intelligent Key unit receives key ID verification request signal, Intelligent Key unit activates outside key antenna (rear bumper) and checks that Intelligent Key is near rear bumper.

• When Intelligent Key is within the outside key antenna (rear bumper) detection area, Intelligent Key receives the request signal and transmits the key ID signal to Intelligent Key unit.

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

• When the key IDs match, BCM transmits the key ID verification completed signal to automatic back door control unit via CAN communication.

• When automatic back door control unit receives key ID verification completed signal from BCM, the automatic back door control unit operates automatic close function to close back door automatically until back door is in the ajar state (latch and striker are engaged) .

• When automatic back door control unit detects back door ajar state, the unit operates back door auto closure function to close back door completely.

AUTOMATIC OPEN/CLOSE TEMPORARY STOP FUNCTION

Automatic open/close temporary stop function temporarily stops the open/close operation by operating back door opener switch, automatic back door lock and close switch, automatic back door close switch, automatic back door switch, Intelligent Key or hands free sensor during automatic open/close operation or by turning power back door setting OFF.

Each Switch, Intelligent Key or Hands Free Sensor Operation

• Automatic open/close operation stops when back door opener switch, automatic back door lock and close switch, automatic back door close switch, automatic back door switch, Intelligent Key or hands free sensor is operated during automatic open/close operation.

• If the back door opener switch, automatic back door lock and close switch, automatic back door close switch, automatic back door switch, Intelligent Key, or hands free sensor is operated during the operation of automatic open/close temporary stop function (back door operation is stopped), the back door direction of operation changes automatically. As a result, the back door operates in the direction opposite to the direction of operation before operation stop.

Power Back Door Setting Operation

• When the power back door setting in combination meter is ON to OFF during the automatic open/close function, the automatic open/close operation stops.

• If the power back door setting is ON again when the automatic open/close temporary stop function is operating (back door operation is stopped), each switch becomes operable. The automatic operation restarts when any one of the switches, Intelligent Key, or hands free sensor is operated.

BACK DOOR OPEN POSITION SETTING FUNCTION

Back door open position setting function is a function that enables users to set the full opening stop position of automatic open operation when back door may contact an obstacle if fully opened by the automatic open operation.

CAUTION:

• It is not possible to set the position farther than the initial setting fully open position in the open direction.

• The position of back door cannot be set to approximately 30% or less than full open position. (Opening angle cannot be set to approximately 28° or less.)

• If a Nissan Ariya vehicle is parked on a steep slope after setting the fully open position of back door to half open or less, the door may open to near the half open position instead of stopping at the set position.

• When more than one user uses the Nissan Ariya vehicle, the back door fully open position setting function may be changed. Be careful when operating automatic open operation for the first time.

Setting Procedure

By performing the following operations, stop position of the back door open position setting function can be set.

1. Set the shift position to P range.

2. Fully close the back door. (When back door is already fully closed, this operation is not necessary.)

3. After turning OFF the power back door setting, release the latch by back door opener switch operation.

4. Manually move the back door to the desired stop position.

5. While maintaining the back door position, press and hold the automatic back door close switch for 3 seconds or more. When the setting is successfully completed, automatic back door warning buzzer sounds (pattern C).

Reset Procedure

By performing the following operation, the setting of the back door open position setting function can be canceled.

1. Set the shift position to P range.

2. Open the back door to the fully open position.

3. Manually move the back door to the upper limit position in the opening direction.

4. Press and hold the automatic back door close switch for 3 seconds or more. When the setting is successfully completed, automatic back door warning buzzer sounds (pattern C).

AUTOMATIC BACK DOOR OPEN/CLOSE FUNCTION

Automatic back door open/close function operates auto open/close of back door according to operation of automatic back door switch, automatic back door close switch, back door opener switch, hands free sensor, and Intelligent Key.

When press the automatic back door lock and close switch while carrying the Intelligent Key, the back door close, and when fully closed, all doors can be locked.

Operation Condition

When all of the following conditions are satisfied.

• Shift position: P position

• Vehicle speed: 0 km/h

• Power supply (automatic power back door control unit): Approx. 11 V or more

• Intelligent Key is with in outside key antenna (rear bumper) detection area. (when automatic back door lock and lock and close switch and hands free sensor operated)

• All doors are in unlock status (when automatic back door switch operated)

Automatic Open/close Operation When Each Switch is Operated

The automatic open/close operation when each switch is operated differs according to the stop position or operating status of back door.

NOTE:

• When the back door position is in the range of [between "just before fully closed" and the position approximately less than 150 mm (5.91 in) from "just before fully closed"], the back door does not operate even if any of switches are operated. But this is not malfunction.

• To operate the back door by switches, manually close the back door to "Fully closed" position or manually open the back door approximately more than 150 mm (5.91 in) from the position of "Just before fully closed". And then operate any of switches.

NOTE:

Intelligent Key must be carried for starting the automatic open/close function by hands free sensor operation (hands free function) with the back door stopped.

Timing Chart (Full Closed to Fully Open Operation): Case 1

Timing	Operation
	Buzzer operate (A pattern) and, back door closure motor starts the open operation.
	Open switch turns ON, and back door latch release operation completes.
	Half latch switch turns ON, and then back door closure motor performs reverse operation and returns to the neutral position.
	When close switch turns OFF, back door closure motor reverse operation stops, and then completes returning to the neutral position.

Timing Chart (Full Closed to Fully Open Operation): Case 2

Timing	Operation
	Buzzer operate (A pattern) and, back door closure motor starts the open operation.
	Half latch switch turns ON, and back door latch release operation completes.
	Open switch turns ON, and then back door closure motor performs reverse operation and returns to the neutral position.
	When close switch turns OFF, back door closure motor reverse operation stops, and then completes returning to the neutral position.

Timing Chart (Fully Open to Fully Closed Operation)

Timing	Operation
	Buzzer operate (A pattern) and, spindle motor starts the close operation.

CONTROL IF NOT WITHIN THE OPERATION CONDITIONS DURING THE OPERATION

If the back door is not within the operation conditions during the operation, the automatic back door control unit performs the control as follows.

WARNING FUNCTION

The warning function is as follows and gives the user warning information using automatic back door warning buzzer.

BACK DOOR AUTO CLOSURE FUNCTION

Open Function

When back door opener switch is pressed and power back door setting in the OFF position, BCM transmits the back door open request signal to automatic back door control unit via CAN communication, and automatic back door control unit opens back door lock assembly.

Timing Chart (Open function): Case 1

Timing Chart (Open function): Case 2

Closure Function

When the back door is closed to the half-latch position, the motor drives to rotate the latch lever and pulls it in from half latched to fully latched and automatically closes the door. Then, the closure motor reverses to the neutral position.

Timing Chart (Closure Function)

ANTI-PINCH FUNCTION

• When pinching of foreign material is detected during the operation of automatic open/close function, the back door is operated in the reverse direction.

• The detection methods are the following two types.

1. Overload detection (detection by encoder)

   • When a drop in the operating speed is detected during the operation of the automatic open/close function, this is judged as pinching, and reverse operation operates.

   • If an overload by pinching or contact with foreign material is detected, reverse operation operates again. At this time, when the second overload is detected, automatic operation stops.

2. Pinching detection (detection by back door touch sensor)

   If the side part of the door pinches foreign material during the operation of automatic close function, the touch sensor detects this, and the door operates in the reverse direction. If a reverse operation is performed during driving, back door shifts to closing operation again. At this time, if the touch sensor detects foreign material in the closing direction for a second time, automatic operation stops.

• Automatic operation is stopped when one of the following conditions is detected after the first overload or pinching is detected.

  • Automatic back door switch: ON

  • Intelligent Key back door open button: ON

  • Automatic back door close switch: ON

  • Automatic back door lock and close switch: ON

  • Back door opener switch: ON

  • Hands free sensor: ON

  • Overload detection or pinching detection: second time

Operation Condition

Circuit Diagram

Fail-safe

System (charge Port Lid Open Control)

System Description

OPERATION DESCRIPTION

Charge port lid is lock/unlock interlock with the lock/unlock of the vehicle. Refer to System Description.

Diagnosis System (intelligent Key Unit)

Diagnosis Description

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with Intelligent Key unit.

Freeze Frame Data (FFD)

The following vehicle status is recorded when DTC is detected and is displayed on CONSULT.

Work support

Self Diagnostic Result

Refer to DTC Index.

Data Monitor

NOTE:

The following table includes information (items) inapplicable to this Nissan Ariya vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

Diagnosis System (automatic Back Door Control Unit)

CONSULT Function (AUTOMATIC BACK DOOR CONTROL UNIT)

APPLICATION ITEM

CONSULT performs the following functions via CAN communication with automatic back door control unit.

Data Monitor

NOTE:

The following table includes information (items) inapplicable to this Nissan Ariya vehicle. For information (items) applicable to this vehicle, refer to CONSULT display items.

Work support

Self Diagnostic Result

Refer to DTC Index.

Preparation. PreparationEcu Diagnosis Information