Nissan Leaf. Manual - part 1259

VSP-56

< DTC/CIRCUIT DIAGNOSIS >

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF INDICATOR 

SIGNAL CIRCUIT

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF INDI-
CATOR SIGNAL CIRCUIT

Description

INFOID:0000000010309875

The VSP OFF indicator turns ON and OFF according to the VSP OFF indicator signal from the VSP control

unit.

Component Function Check

INFOID:0000000010309876

1.

CHECK VSP OFF INDICATOR OPERATION

1. Connect the CONSULT.

2. Turn power switch ON.

3. Select the “ACTIVE TEST” item “VSP OFF INDICATOR” of “VSP”.

4. Activate “VSP OFF INDICATOR” and check that VSP OFF indicator operates.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

VSP-56, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010309877

1.

CHECK FUSE

Check that the following fuse is not fusing.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Replace the fuse after repairing the applicable circuit.

2.

CHECK VSP OFF INDICATOR POWER SUPPLY CIRCUIT

1. Turn power switch OFF.

2. Disconnect VSP OFF switch connector.

3. Turn power switch ON.

4. Check voltage between VSP OFF switch connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between fuse and VSP OFF switch.

3.

CHECK VSP OFF INDICATOR SIGNAL CIRCUIT

1. Turn power switch OFF.

2. Disconnect VSP control unit connector.

3. Check continuity between the VSP control unit harness connector and the VSP OFF switch harness con-

nector.

Signal name

Fuse No.

Power switch ON signal

5

Terminals

Voltage

(Approx.)

 (+)

(-)

VSP OFF switch

Connector

Terminal

M31

5

Ground

12 V

VSP control unit

VSP OFF SW

Continuity

Connector

Terminal

Connector

Terminal

M47

14

M31

3

Existed

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF INDICATOR 

SIGNAL CIRCUIT

VSP-57

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

VSP

N

O

P

4. Check continuity between VSP control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair the harnesses or connector.

4.

CHECK VSP OFF INDICATOR OUTPUT SIGNAL

1. Connect VSP control unit and VSP OFF switch connector.

2. Turn power switch ON.

3. Check voltage between VSP control unit harness connector and ground.

NOTE:

Check whether or not the voltage changes when the VSP off switch is operated.
Is the inspection result normal?

YES

>> Replace the VSP OFF switch. Refer to 

VSP-70, "Removal and Installation"

.

NO

>> Replace the VSP control unit. Refer to 

VSP-67, "Removal and Installation"

.

VSP control unit

Ground

Continuity

Connector

Terminal

M47

14

Not existed

Terminals

Condition

Voltage

(Approx.)

 (+)

 (-) 

VSP control unit

Connector

Terminal

M47

14

Ground

VSP system operating

12 V

VSP system stopped

0 V

VSP-58

< DTC/CIRCUIT DIAGNOSIS >

POWER SWITCH SIGNAL CIRCUIT

POWER SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000010121597

The power switch outputs the power switch signal to the VSP control unit.

Component Function Check

INFOID:0000000010121598

1.

CHECK POWER SWITCH INPUT SIGNAL

1. Connect the CONSULT.

2. Select the “DATA MONITOR” for the “VSP” and check the “PUSH SW” monitor value.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

VSP-58, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010121599

1.

CHECK POWER SWITCH SIGNAL CIRCUIT

1. Turn power switch OFF.

2. Disconnect VSP control unit and BCM connector. 

3. Check continuity between VSP control unit harness connector and BCM harness connector.

4. Check continuity between VSP control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK POWER SWITCH INPUT SIGNAL

1. Connect VSP control unit and BCM connector.

2. Turn power switch ON.

3. Check voltage between VSP control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace VSP control unit. Refer to 

VSP-69, "Removal and Installation"

.

NO

>> Replace BCM. Refer to 

BCS-72, "Removal and Installation"

.

“PUSH SW”

When power switch is pressed

: On

When power switch is not pressed

: Off

VSP control unit

BCM

Continuity

Connector

Terminal

Connector

Terminal

M47

3

M23

43

Existed

VSP control unit

Ground

Continuity

Connector

Terminal

M47

3

Not existed

Terminal

Condition

Voltage

(Approx.)

(+)

(-)

VSP control unit

Connector

Terminal

M47

3

Ground

When power switch is pressed

 0 V

When power switch is not 
pressed

12 V

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) SYSTEM SYMP-

TOMS

VSP-59

< SYMPTOM DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

VSP

N

O

P

SYMPTOM DIAGNOSIS

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) SYSTEM
SYMPTOMS

Symptom Table

INFOID:0000000010121600

Except for Mexico

For Mexico

Symptoms

Check items

Possible malfunction location

Reference

VSP warning lamp does not 
turn ON or does not turn OFF.

—

• VSP warning lamp
• VSP warning lamp signal circuit
• VSP control unit

VSP-60, "Diagnosis Proce-
dure"

No sound from VSP speaker 

VSP sound and charge sounds 
do not sound. 

• VSP speaker
• VSP speaker signal circuit
• VSP control unit

VSP-63, "Diagnosis Proce-
dure"

No sound from start up sound 
speaker 

Power switch operation sound 
and READY effect sound do not 
sound. 

• Start up sound speaker
• Start up sound speaker signal 

circuit

• VSP control unit

VSP-64, "Diagnosis Proce-
dure"

Power switch operation sound 
does not sound.

READY effect sound occurs.

• Power switch
• Power switch signal circuit
• VSP control unit

VSP-65, "Diagnosis Proce-
dure"

Symptoms

Check items

Possible malfunction location

Reference

VSP OFF indicator does not 
turn ON or does not turn OFF.

System operation stop and opera-
tion resume are possible by oper-
ating the VSP OFF switch.

• VSP OFF switch
• VSP OFF indicator signal circuit
• VSP control unit

VSP-61, "Diagnosis Proce-
dure"

VSP system operation cannot 
be stopped.

—

• VSP OFF switch
• VSP OFF switch signal circuit
• VSP control unit

VSP-62, "Diagnosis Proce-
dure"

No sound from VSP speaker 

• VSP OFF switch operation is 

normal.

• VSP sound and charge sounds 

do not sound. 

• VSP speaker
• VSP speaker signal circuit
• VSP control unit

VSP-63, "Diagnosis Proce-
dure"

No sound from start up sound 
speaker 

Power switch operation sound and 
READY effect sound do not 
sound. 

• Start up sound speaker
• Start up sound speaker signal 

circuit

• VSP control unit

VSP-64, "Diagnosis Proce-
dure"

Power switch operation sound 
does not sound.

READY effect sound occurs.

• Power switch
• Power switch signal circuit
• VSP control unit

VSP-65, "Diagnosis Proce-
dure"