Nissan Leaf. Manual — part 1249
VSP-16
< SYSTEM DESCRIPTION >
SYSTEM
APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) SYSTEM
APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) SYSTEM : System
Description
INFOID:0000000010121568
SYSTEM DIAGRAM
Except for Mexico
For Mexico
SYSTEM DESCRIPTION (Except for Mexico)
• The VSP system operates according to the signals received from the VCM, combination meter, and BCM via
CAN communication, and notifies the driver that the vehicle is approaching a pedestrian.
• The VSP system includes the following three types of sound.
- Driving start sound
- Driving sound
- Reverse sound
• The VSP system starts operating when the power switch is turned from OFF to READY.
No.
Description
When the READY to drive indicator lamp turns ON, the READY effect sound operates.
The operation time of the READY effect sound ends.
When the power switch turns OFF, operation of the READY effect sound stops.
When the READY to drive indicator lamp turns OFF, operation of the READY effect sound stops.
When the VSP system operates, operation of the READY effect sound stops.
JSMIA1296GB
JSMIA1315GB
SYSTEM
VSP-17
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
M
A
B
VSP
N
O
P
• The VSP warning lamp illuminates when there is a malfunction in the VSP system.
SYSTEM DESCRIPTION (For Mexico)
• The VSP system operates according to the signals received from the VCM, combination meter, and BCM via
CAN communication, and notifies the driver that the vehicle is approaching a pedestrian.
• The VSP system includes the following three types of sound.
- Driving start sound
- Driving sound
- Reverse sound
• The VSP system operation status can be checked with the VSP OFF indicator.
• The VSP system can be set to operation stop or operation resume with the VSP OFF switch.
• The VSP system starts operating when the power switch is turned from OFF to READY.
• The VSP OFF indicator illuminates when there is a malfunction in the VSP system.
DRIVING START SOUND
The driving start sound is a function which operates when the selector lever is in the “D” position and the brake
pedal is released.
Operation Description
• The combination meter transmits the vehicle speed signal to the VSP control unit via CAN communication.
• The BCM transmits the stop lamp switch 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 start sound is necessary according to the signals received from
each unit.
• When the VSP control unit judges that operation of the driving start sound is necessary, it transmits the VSP
speaker signal to the VSP speaker.
• The driving start sound operates until the end of its operation time (500 ms) and then switches to the driving
sound.
Operation Condition
The driving start sound operates when all of the following conditions are met.
Operation Stop Condition
The driving start sound operation stops when the following condition is met.
NOTE:
The driving start sound operates until the end of its operation time (500 ms) and then switches to the driving
sound.
Signal Path
• The VSP control unit judges that the driving start sound is necessary according to the following signals, and
operates the driving start sound.
Operation condition
Selector lever
“D” Position
Vehicle speed
0 km/h (0 MPH)
READY to drive indicator
lamp
ON
Brake pedal
Released (not depressed)
Operation stop condition
Reverse sound
Operation
Signal name
Signal path
READY to drive indicator lamp request signal
VCM
VSP control unit
Shift position signal
VCM
VSP control unit
VSP-18
< SYSTEM DESCRIPTION >
SYSTEM
• When the VSP control unit judges that the driving start sound is necessary, it transmits the following signal.
Timing Chart
DRIVING SOUND
• The driving sound is a function that operates according to the vehicle speed.
• The driving sound tone frequency changes according to the vehicle speed.
• When accelerating, driving sound operates until the speed reaches approximately 30 km/h (19 MPH). When
decelerating, it starts operating at approximately 25 km/h (16 MPH).
• Operation stops when the vehicle stops or the vehicle speed is 0 km/h (0 MPH).
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 speaker.
Operation Condition
The driving sound operates when all of the following conditions are met.
Vehicle speed signal
Combination meter
VSP control unit
Stop lamp switch signal
BCM
VSP control unit
Signal name
Signal path
VSP speaker signal
VSP control unit
VSP speaker
Signal name
Signal path
JSMIA0480GB
No.
Description
The driving start sound operates when the selector lever is in the “D” position and the brake pedal is released.
Operation of the driving start sound stops when the selector lever is moved to the “R” position.
The driving start sound operates until the end of its operation time (500 ms) and then switches to the driving sound.
NOTE:
The system switches to the driving sound after the driving start sound fades out.
SYSTEM
VSP-19
< SYSTEM DESCRIPTION >
C
D
E
F
G
H
I
J
K
M
A
B
VSP
N
O
P
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 oper-
ates the driving sound.
• When the VSP control unit judges that the driving sound is necessary, it transmits the following signal.
Timing Chart
Operation condition
Vehicle speed
During ac-
celeration
1 km/h (0.6 MPH) or more
During de-
celeration
25 km/h (16 MPH) or less
READY to drive indicator lamp
ON
Selector lever
“D” Position
Operation stop condition
Vehicle speed
During accel-
eration
Higher than 30 km/h (19 MPH)
During decel-
eration
Less than 1 km/h (0.6 MPH)
READY to drive indicator lamp
OFF
Signal name
Signal path
READY to drive indicator lamp request signal
VCM
VSP control unit
Shift position signal
VCM
VSP control unit
Vehicle speed signal
Combination meter
VSP control unit
Signal name
Signal path
VSP speaker signal
VSP control unit
VSP speaker
JSMIA0470GB
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