Nissan Ariya: System Description

Nissan Ariya (FE0) 2023-2025 Service & Repair Manual / Restraints / Srs Airbag Control System / System Description

Component Parts
System
Diagnosis System (air Bag Diagnosis Sensor Unit)
Diagnosis System (occupant Detection System Control Unit)

Component Parts

Component Parts Location

Rear side air bag module	Curtain air bag module	Front side air bag module
Knee air bag module	Passenger air bag module	Seat belt buckle switch
BCM Component Parts Location	Combination meter (SRS air bag warning lamp)	Driver air bag module
Front passenger air bag OFF indicator	Front center air bag module	Rear seat belt pre-tensioner
C-pillar satellite sensor	Front seat belt pre-tensioner	Lap pre-tensioner
Occupant detection system control unit	Occupant detection system sensor	Front door satellite sensor
Air bag diagnosis sensor unit	Crash zone sensor	Spiral cable
View with luggage side upper finisher removed	View with luggage side lower finisher removed	View with center pillar lower garnish removed
View with outside seat cushion finisher removed	Backside of passenger seat cushion	View with front door finisher removed
View with rear ventilator duct removed	Radiator core support	View with steering wheel removed

Diagnosis System (air Bag Diagnosis Sensor Unit)

CONSULT Function

APPLICATION ITEM

CONSULT performs the following functions.

Diagnosis mode	Description
Self Diagnostic Result	Display DTC which air bag diagnosis sensor unit memorizes
ECU Identification	Air bag diagnosis sensor unit part number is displayed.
Data Monitor	This item is displayed, but cannot be supported.
Replace ECU	The Nissan Ariya vehicle specification can be written when replacing air bag diagnosis sensor unit.
TROUBLE DIAG RECORD	With TROUBLE DIAG RECORD, diagnosis results previously erased by a reset operation can be displayed on CONSULT screen.

SELF DIAGNOSTIC RESULT

Refer to DTC Index.

Freeze Frame Data (FFD)

The air bag diagnosis sensor unit records the following vehicle condition at the time a particular DTC is detected, and displays on CONSULT.

CONSULT screen item	Indication/Unit	Description
ODO/TRIP METER	km	Total mileage (Odometer value) of the moment a particular DTC is detected.
DTC occurrence Counter	count	DTC detection number of times.

Diagnosis System (occupant Detection System Control Unit)

CONSULT Function

APPLICATION ITEM

CONSULT performs the following functions.

Diagnosis mode	Description
Data Monitor	Displays the real-time input signal of occupant detection system control unit.
Work support	This mode enables a technician to adjust some devices faster and more accurately by following the indications on the CONSULT.

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.

Monitor Item	Contents
Buckle switch status	The switch status input from seat belt buckle switch (passenger side). Not monitored: Seat belt buckle switch (passenger side) is not monitored. Unfastened: Seat belt buckle switch (passenger side) is unfasten. Fastened: Seat belt buckle switch (passenger side) is fasten. Reload: The seat belt buckle switch (passenger side) state is loading.
Buckle switch spec	Displays the spec of the seat belt buckle switch (passenger side). Not monitored: seat belt buckle switch (passenger side) is not monitored. Normally open: seat belt buckle switch (passenger side) is normal open type. Normally close: seat belt buckle switch (passenger side) is normal close type. From air bag diagnosis sensor unit: Occupant detection system control unit receives seat belt buckle switch (passenger side) signal from air bag diagnosis sensor unit.
Buckle switch status (communication)	Displays the status of the seat belt buckle switch (passenger side) signal. Not monitored: seat belt buckle switch (passenger side) is not monitored. Monitor(wiring): The switch status input from seat belt buckle switch (passenger side). From air bag diagnosis sensor unit: The switch status input from air bag diagnosis sensor unit.

Monitor Item

Contents

Buckle switch status

The switch status input from seat belt buckle switch (passenger side).

Not monitored: Seat belt buckle switch (passenger side) is not monitored.
Unfastened: Seat belt buckle switch (passenger side) is unfasten.
Fastened: Seat belt buckle switch (passenger side) is fasten.
Reload: The seat belt buckle switch (passenger side) state is loading.

Buckle switch spec

Displays the spec of the seat belt buckle switch (passenger side).

Not monitored: seat belt buckle switch (passenger side) is not monitored.
Normally open: seat belt buckle switch (passenger side) is normal open type.
Normally close: seat belt buckle switch (passenger side) is normal close type.
From air bag diagnosis sensor unit: Occupant detection system control unit receives seat belt buckle switch (passenger side) signal from air bag diagnosis sensor unit.

Buckle switch status (communication)

Displays the status of the seat belt buckle switch (passenger side) signal.

Not monitored: seat belt buckle switch (passenger side) is not monitored.
Monitor(wiring): The switch status input from seat belt buckle switch (passenger side).
From air bag diagnosis sensor unit: The switch status input from air bag diagnosis sensor unit.

WORK SUPPORT