Nissan Leaf. Manual - part 1252

VSP-28

< SYSTEM DESCRIPTION >

SYSTEM

Fail-Safe

INFOID:0000000010121570

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

DTC

Fail-safe condition

U1000

• Start up sound system: Function stops when there is a communication break.

NOTE:
The power switch operation sound operates.

• VSP system: Function stops when there is a communication break.
• Charge sound system: Does not operate. 

U1010

• Start up sound system: Function stops 

NOTE:
The power switch operation sound operates

• VSP system: Function stops
• Charge sound system: Does not operate

B2471

• Start up sound system: Function stops 

NOTE:
The power switch operation sound operates

• VSP system: Function stops
• Charge sound system: Does not operate

DIAGNOSIS SYSTEM (VSP)

VSP-29

< SYSTEM DESCRIPTION >

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DIAGNOSIS SYSTEM (VSP)

 CONSULT Function

INFOID:0000000010121571

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.

ECU IDENTIFICATION

VSP control unit part number can be read.

SELF-DIAGNOSTIC RESULTS

For details, refer to 

VSP-34, "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 vehicle. For information (items) applicable

to this vehicle, refer to CONSULT display items.

Test mode

Function

Ecu Identification

Displays VSP control unit part number

Self Diagnostic Results

Displays the name of a malfunctioning system stored in the VSP control unit

Data Monitor

Displays VSP control unit input/output data in real time.

Active Test

Gives a drive signal to a load to check the operation.

Item name

Display item

IGN counter
(0 

− 39)

The number of times that power switch is turned ON after the DTC is detected is displayed.
• When “0” is displayed: It indicates that the system is presently malfunctioning.
• When except “0” is displayed: It indicates that system malfunction in the past is detected, but the system is pres-

ently normal.
NOTE:
Each time when power switch is turned OFF to ON, numerical number increases in 1 

→ 2 → 3...38 → 39. When 

the operation number of times exceeds 39, the number do not increase and “39” is displayed until self-diagnosis 
is erased.

Monitor item

Description

VSP OFF INDICATOR
(OFF/ON)

• Status of VSP warning lamp judged from VSP warning lamp signal transmitted from the VSP 

control unit. (Except for Mexico)

• Status of VSP OFF indicator judged from VSP OFF indicator signal transmitted from the VSP 

control unit. (For Mexico)

VSP SYSTEM SOUND STATUS
(OFF/START/DRIVE/REVRSE)

Status of VSP system sound.

START UP SOUND STATUS
(OFF/SW/READY)

Status of start up sound.

CHARGE SOUND STATUS
(OFF/PLG IN/CHR ST/UNLCK)

Status of charge sound.

START UP SOUND SETTING
(OFF/1/2/3)

Status of start up sound setting.

VSP-30

< SYSTEM DESCRIPTION >

DIAGNOSIS SYSTEM (VSP)

ACTIVE TEST

IGN STATUS SIG
(OFF/ON)

ON/OFF status of power switch judged by VSP control unit.

VSP OFF SW
(OFF)

VSP OFF switch status input from the VSP OFF switch.

VSP SOUND
(OFF/ON)

Status of VSP system sound cancellation.

PUSH SW
(OFF/ON)

Status of power switch signal received from BCM.

READY OP IND SIG
(OFF/BLINK/ON)

Status of READY to drive indicator lamp judged from READY to drive indicator lamp request sig-
nal received from VCM via CAN communication.

CHARGE SOUND REQ
(OFF/PLG IN/CHR ST/UNLCK)

Status of charge sound request signal received from VCM via CAN communication.

REVERSE BUZZER
(OFF)

NOTE:
This item is displayed, but cannot be monitored.

VEHICLE SPEED
(km/h)

Vehicle speed signal value received from the combination meter via CAN communication.
NOTE:
63 km/h (39.1 MPH) or faster is fixed at 63 km/h (39.1 MPH).

VHCL SPEED SIG
(NORMAL/INVALID)

Status of vehicle speed signal received from the combination meter via CAN communication.

SHIFT POS SIG
(P/N/R/D)

Status of shift position signal received from VCM via CAN communication.

ENGINE RPM

NOTE:
This item is displayed, but cannot be monitored.

ENG SPEED SIG

NOTE:
This item is displayed, but cannot be monitored.

START UP SOUND REQ
(OFF/1/2/3)

Status of sound signal received from the combination meter via CAN communication.

SOUND SET REQ
(OFF/ON)

Status of sound set request signal received from the combination meter via CAN communication.

Monitor item

Description

Active test item

Function

VSP SPEAKER

The VSP speaker operation can be checked.
NOTE:
Activates the reverse sound at a higher sound level than normal operation.

START UP SOUND SPEAKER

The start up sound speaker operation can be checked.
NOTE:
Activates the reverse sound at a higher sound level than normal operation.

VSP OFF INDICATOR

Except for Mexico

• The VSP warning lamp operation can be checked.

NOTE:
The VSP warning lamp flashes (1 Hz).
For Mexico

• The VSP OFF indicator operation can be checked.

NOTE:
The VSP OFF indicator flashes (1 Hz).

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) CONTROL UNIT

VSP-31

< ECU DIAGNOSIS INFORMATION >

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ECU DIAGNOSIS INFORMATION

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) CONTROL
UNIT

Reference Value

INFOID:0000000010121572

VALUES ON THE DIAGNOSIS TOOL

NOTE:

The following table includes information (items) inapplicable to this vehicle. For information (items) applicable

to this vehicle, refer to CONSULT display items.

Monitor item

Condition

Value/Status

VSP OFF INDICATOR

Power switch 
ON

• VSP warning lamp ON. (Except for Mexico)
• VSP OFF indicator ON. (For Mexico)

ON

• VSP warning lamp OFF. (Except for Mexico)
• VSP OFF indicator OFF. (For Mexico)

OFF

VSP SYSTEM SOUND STATUS

READY

VSP system sound not operating.

OFF

When start driving.
(Selector lever is in “D” position. Vehicle speed 0 km/
h)

START
(Driving start sound oper-
ates until 500 ms)

While driving.
• During acceleration [Vehicle speed: 1 - 30 km/h 

(0.6 - 19 MPH)]

• During deceleration [Vehicle speed: 25 - 1 km/h 

(16 - 0.6 MPH)]

DRIVE

Selector lever is in “R” position.

REVRSE

START UP SOUND STATUS

Start up sound is not operating.

OFF

When power switch is pressed.
(Power switch operation sound is operating.)

SW

READY to drive indicator lamp: OFF to ON
(READY effect sound is operating.)

READY

CHARGE SOUND STATUS

Charge sound is not operating.

OFF

Charge connector connected.
(Plug-in detection sound is operating.)

PLG IN

• When charge starts.
• When waiting for timer charge acceptance.
(Charge port unlocked sound is operating.)

CHR ST

• When charge port lid lock is unlocked.
• When charge connector lock is unlocked.
(Charge port lid unlocked sound/normal charge connector unlocked 
sound is operating.)

UNLCK

START UP SOUND SETTING

Power switch 
ON

When start up sound setting is OFF.

OFF

When start up sound setting is “1”.

1

When start up sound setting is “2”.

2

When start up sound setting is “3”.

3

IGN STATUS SIG

Power switch READY position.

ON

Power switch other than READY position.

OFF

VSP OFF SW

Power switch 
ON

When VSP OFF switch is pressed.

ON

When VSP OFF switch is not pressed.

OFF