Nissan Ariya: System Description

• Component Parts
• System. Warning/indicator/chime List
• Diagnosis System [approaching Vehicle Sound for Pedestrians (vsp) Control Unit]

System. Warning/indicator/chime List

System Description

SYSTEM DIAGRAM

VSP Control Unit Input Signal (CAN Communication)

VSP Control Unit Output Signal (CAN Communication)

DESCRIPTION

• The VSP control unit receives necessary signals from each unit, switch, and sensor to control the following functions:

  • VSP system

  • Charge sound system

• The VSP control unit can be diagnosed with CONSULT.

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) SYSTEM

DESCRIPTION

• The VSP system operates according to the signals received from each unit via CAN communication, and notifies the driver that the Nissan Ariya vehicle is approaching a pedestrian.

• The VSP system includes the following three types of sound:

  • Idling sound

  • Driving sound

  • Reverse sound

• The VSP system operation status can be checked with the VSP warning lamp.

• The VSP system starts operating when the power switch is placed from OFF to READY.

• The warning lamp illuminates when there is a malfunction in the VSP system.

IDLING SOUND

• The idling sound is a function that operates according to the vehicle speed.

• If Nissan Ariya vehicle speeds up, the idling sound will change to "driving sound". At the time vehicle is sound will stop.

• The idling sound will stop when Nissan Ariya vehicle is in "P range" and vehicle speed of 0 MPH (0 km/h).

• If vehicle changes to "R range", sound will change to "Reverse sound".

DRIVING SOUND

• The driving sound is a function that operates according to the vehicle speed.

• The driving sound tone frequency changes according to the Nissan Ariya vehicle speed.

• When accelerating, driving sound operates until the speed reaches approximately 25 MPH (40 km/h). When decelerating, it starts operating at approximately 22 MPH (35 km/h).

• Operation stops when the Nissan Ariya vehicle stops or the vehicle speed is 0 MPH (0 km/h).

Operation Description

• The combination meter transmits the vehicle speed signal to the VSP control unit via CAN communication.

• The VCM transmits the following signals to the VSP control unit via CAN communication:

  • READY to drive indicator lamp request signal

  • Shift position signal

• The VSP control unit judges that the driving sound is necessary according to the signals received from the combination meter and VCM via CAN communication.

• When the VSP control unit judges that operation of the driving sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

The driving sound operates when all of the following conditions are met:

Operation Stop Condition

The driving sound stops operating when any of the following conditions is met:

Signal Path

• The VSP control unit judges that the driving sound is necessary according to the following signals, and operates the driving sound:

  Signal name	Signal path
  READY to drive indicator lamp request signal	VCM VSP control unit
  Shift position signal	VCM VSP control unit
  Nissan Ariya Vehicle speed signal	Combination meter VSP control unit

• When the VSP control unit judges that the driving sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	When accelerating, the driving sound operates up to approximately 25 MPH (40 km/h).
	When the speed is more than 25 MPH (40 km/h), the driving sound stops.
	When decelerating, the driving sound operates when the speed is approximately 22 MPH (35 km/h) or less.
	The driving sound stops when the Nissan Ariya vehicle is stopped (fades out and stops) and start the idel sound.(fade in).

REVERSE SOUND

The reverse sound is a function that operates when the selector lever is in the “R” position.

Operation Description

• The VCM transmits the following signals to the VSP control unit via CAN communication:

  • Shift position signal

  • READY to drive indicator lamp request signal

• The VSP control unit judges that the reverse sound is necessary according to the signals received from the VCM.

• When the VSP control unit judges that operation of the reverse sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

The reverse sound operates when all of the following conditions are met:

Operation Stop Condition

The reverse sound operation stops when any of the following conditions is met:

Signal Path

• The VSP control unit judges that the reverse sound is necessary according to the following signals, and operates the reverse sound:

  Signal name	Signal path
  READY to drive indicator lamp request signal	VCM VSP control unit
  Shift position signal	VCM VSP control unit

• When the VSP control unit judges that the reverse sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	The reverse sound operates when the selector lever is moved to the “R” position.
	Operation of the reverse sound stops when the selector lever is moved to any position other than the “R” position.

VSP SYSTEM MALFUNCTION DETECTION FUNCTION

When a malfunction is detected in the VSP system, the warning lamp turns ON.

Signal Path

When the VSP control unit detects a VSP system malfunction, it sends the VSP warning lamp signal to the combination meter via CAN communication.

Signal name	Signal path
VSP warning lamp signal	VSP control unit combination meter

CHARGE SOUND SYSTEM

Description

• The charge sound system is a function which notifies the charge connector connected status, charge reception status, and charge port lid unlocked/normal charge connector unlocked status by the charge sound request signal from VCM.

• The charge sound system includes the following three sound types and operates linked with the charging status indicator:

  • Plug-in detection sound

  • Charge acceptance sound

  • Charge port lid unlocked sound/normal charge connector unlocked sound

PLUG-IN DETECTION SOUND

• The plug-in detection sound notifies that the charger is engaged correctly.

• During rapid charging, the plug-in detection sound does not operate.

Operation Description

• The VCM transmits the charge sound request signal (plug-in detection sound) to the VSP control unit via CAN communication.

• The VSP control unit judges that the plug-in detection sound is necessary according to the charge sound request signal (plug-in detection sound) from the VCM.

• When the VSP control unit judges that operation of the plug-in detection sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

The plug-in detection sound operates when all of the following conditions are met:

Signal Path

• The VSP control unit judges that the plug-in detection sound is necessary according to the following signal, and operates the plug-in detection sound:

  Signal name	Signal path
  Charge sound request signal (plug-in detection sound)	VCM VSP control unit

• When the VSP control unit judges that the plug-in detection sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	The plug-in detection sound operates when the normal charge connector is connected normally.
	The operation time for the plug-in detection sound ends.

CHARGE ACCEPTANCE SOUND

• The charge acceptance sound notifies that the charge is accepted.

• The charge acceptance sound does not operate when the power switch ON.

Operation Description

• The VCM transmits the charge sound request signal (charge acceptance sound) to the VSP control unit via CAN communication.

• The VSP control unit judges that the charge acceptance sound is necessary according to the charge sound request signal (charge acceptance sound) from the VCM.

• When the VSP control unit judges that operation of the charge acceptance sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

The charge acceptance sound operates when all of the following conditions are met:

*: Includes time waiting for timer charge acceptance.

Signal Path

• The VSP control unit judges that the charge acceptance sound is necessary according to the following signal, and operates the charge acceptance sound:

  Signal name	Signal path
  Charge sound request signal (charge acceptance sound)	VCM VSP control unit

• When the VSP control unit judges that the charge acceptance sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	The charge acceptance sound operates when charging is started.
	The operation time of the charge acceptance sound ends.

CHARGE PORT LID UNLOCKED SOUND/NORMAL CHARGE CONNECTOR UNLOCKED SOUND

• The charge port lid unlocked sound is a function which notifies that the charge port lid is unlocked when the charge port lid opener switch or charge port lid opener button is operated.

• The normal charge connector unlocked sound is a function that notifies that the normal charge connector is unlocked when the charge port lid opener switch or charge port lid opener button is operated.

NOTE:

• The charge port lid unlocked sound/normal charge connector unlocked sound operates when the charge port lid opener switch or charge port lid opener button is operated.

• Normal charge connector unlocked sound is interlocked with door lock.

Operation Description

• The VCM transmits the charge sound request signal (charge port lid unlocked sound/normal charge connector unlocked sound) to the VSP control unit via CAN communication.

• The VSP control unit judges that the charge port lid unlocked sound/normal charge connector unlocked sound is necessary according to the charge sound request signal (charge port lid unlocked sound/normal charge connector unlocked sound) from the VCM.

• When the VSP control unit judges that operation of the charge port lid unlocked sound/normal charge connector unlocked sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

The charge port lid unlocked sound/normal charge connector unlocked sound operates when any of the following conditions is met:

Signal Path

• The VSP control unit judges that the charge port lid unlocked sound/normal charge connector unlocked sound is necessary according to the following signal, and operates the charge port lid unlocked/normal charging connector unlocked sound:

  Signal name	Signal path
  Charge sound request signal (charge port lid unlocked sound/normal charge connector unlocked sound)	VCM VSP control unit

• When the VSP control unit judges that the charge port lid unlocked sound/normal charge connector unlocked sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	The charge port lid unlocked sound operates when the charge port lid is unlocked.
	The operation time for the charge port lid unlocked sound/normal charge connector unlocked sound ends.
	The normal charge connector unlocked sound operates when the normal charge connector is unlocked.

NORMAL CHARGE CONNECTOR IMPROPER CONNECTION WARNING SOUND

The normal charge connector improper connection warning sound is a function that notifies the user when the normal charge connector is not connected normally (improper connection).

Operation Description

• The VCM transmits the charge sound request signal (normal charge connector improper connection warning sound) to the VSP control unit via CAN communication.

• The VSP control unit judges that the normal charge connector improper connection warning sound is necessary according to the charge sound request signal (normal charge connector improper connection warning sound) from the VCM.

• When the VSP control unit judges that the normal charge connector improper connection warning sound is necessary, it transmits the VSP speaker signal to the VSP speakers.

Operation Condition

Three seconds after the following condition is met the normal charge connector improper connection warning sound operates for 30 seconds:

Operation Stop Condition

When any of the following conditions is met, the normal charge connector improper connection warning sound is stopped:

Signal Path

• The VSP control unit judges that the normal charge connector improper connection warning sound is necessary according to the following signal, and operates the normal charge connector improper connection warning sound:

  Signal name	Signal path
  Charge sound request signal (normal charge connector improper connection warning sound)	VCM VSP control unit

• When the VSP control unit judges that the normal charge connector improper connection warning sound is necessary, it transmits the following signal:

  Signal name	Signal path
  VSP speaker signal	VSP control unit VSP speakers

Timing Chart

No.	Description
	The normal charge connector improper connection warning sound operates 3 seconds after improper connection of the normal charge connector is detected.
	The operation time for the normal charge connector improper connection warning sound ends.
	Normal charge connector improper connection warning sound stop condition is met.

Circuit Diagram

Fail-safe

When a malfunction occurs in the VSP control unit, fail-safe control is performed according to the malfunction.

Approaching Vehicle Sound For Pedestrians (VSP) Warning Lamp

Name	Design	Layout/Function
VSP warning lamp		For layout: Refer to Design.
		For function: Refer to VSP Warning Lamp.

Diagnosis System [approaching Vehicle Sound for Pedestrians (vsp) Control Unit]

Diagnosis Description

APPLICATION ITEM

CONSULT can display each diagnostic item using the diagnostic test modes shown as per the following:

NOTE:

The approaching vehicle sound for pedestrians (VSP) system sound, start up sound and charge sound system may not be activated when diagnosing VSP control unit by using CONSULT.

SELF-DIAGNOSTIC RESULTS

Refer to DTC Index.

When “CRNT” is displayed on self-diagnosis result,

• The system is presently malfunctioning.

When “PAST” is displayed on self-diagnosis result,

• System malfunction in the past is detected, but the system is presently normal.

Freeze frame data (FFD)

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.

ACTIVE TEST

WORK SUPPORT

ECU IDENTIFICATION

VSP control unit part number can be read.

Wiper and Washer System SymptomsEcu Diagnosis Information. Approaching Vehicle Sound for Pedestrians (vsp) Control Unit