Nissan Leaf. Manual - part 1258

VSP-52

< DTC/CIRCUIT DIAGNOSIS >

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) WARNING LAMP 

SIGNAL CIRCUIT

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) WARNING
LAMP SIGNAL CIRCUIT

Description

INFOID:0000000010121594

VSP warning lamp turns ON/OFF according to VSP warning lamp signal transmitted from VSP control unit.

Component Function Check

INFOID:0000000010121595

1.

CHECK VSP WARNING LAMP 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 warning lamp operates.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

VSP-52, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010121596

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 WARNING LAMP POWER SUPPLY CIRCUIT

1. Turn power switch OFF.

2. Disconnect front passenger air bag OFF indicator harness connector.

3. Turn power switch ON.

4. Check voltage between front passenger air bag OFF indicator harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair the harness or connector.

3.

CHECK VSP WARNING LAMP SIGNAL CIRCUIT

1. Turn power switch OFF.

2. Disconnect VSP control unit harness connector.

3. Check the continuity between VSP control unit harness connector and front passenger air bag OFF indi-

cator harness connector.

Location

Fuse No.

Fuse block (J/B)

1

Terminals

Voltage

(Approx.)

 (+)

(-)

Front passenger air bag OFF 

indicator

Connector

Terminal

M63

3

Ground

12 V

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) WARNING LAMP 

SIGNAL CIRCUIT

VSP-53

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

VSP

N

O

P

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

Is the inspection result normal?

YES

>> Replace front passenger air bag OFF indicator.

NO

>> Repair the harness or connector.

VSP control unit

Front passenger air bag OFF indi-

cator

Continuity

Connector

Terminal

Connector

Terminal

M47

14

M63

4

Existed

VSP control unit

Ground

Continuity

Connector

Terminal

M47

14

Not existed

VSP-54

< DTC/CIRCUIT DIAGNOSIS >

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF SWITCH 

SIGNAL CIRCUIT

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF
SWITCH SIGNAL CIRCUIT

Description

INFOID:0000000010309871

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

Component Function Check

INFOID:0000000010309872

1.

CHECK VSP OFF SWITCH INPUT SIGNAL CIRCUIT

1. Connect the CONSULT.

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

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Refer to 

VSP-54, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000010309873

1.

CHECK VSP OFF SWITCH SIGNAL CIRCUIT

1. Turn power switch OFF.

2. Disconnect VSP control unit and VSP OFF switch connector. 

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

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

5. Check continuity between VSP OFF switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VSP OFF SWITCH INPUT 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.

“VSP OFF SW”

When VSP OFF switch is pressed

: On

When VSP OFF switch is not pressed

: Off

VSP control unit

VSP OFF SW

Continuity

Connector

Terminal

Connector

Terminal

M47

5

M31

6

Existed

VSP control unit

Ground

Continuity

Connector

Terminal

M47

5

Not existed

VSP OFF SW

Ground

Continuity

Connector

Terminal

M31

8

Existed

APPROACHING VEHICLE SOUND FOR PEDESTRIANS (VSP) OFF SWITCH 

SIGNAL CIRCUIT

VSP-55

< DTC/CIRCUIT DIAGNOSIS >

C

D

E

F

G

H

I

J

K

M

A

B

VSP

N

O

P

Is the inspection result normal?

YES

>> Replace VSP control unit. Refer to 

VSP-67, "Removal and Installation"

.

NO

>> GO TO 3.

3.

CHECK VSP OFF SWITCH

1. Turn power switch OFF.

2. Disconnect VSP OFF switch connector. 

3. Check VSP OFF switch. Refer to 

VSP-55, "Component Inspection"

.

Is the inspection result normal?

YES

>> Replace VSP control unit. Refer to 

VSP-67, "Removal and Installation"

.

NO

>> Replace VSP OFF switch. Refer to 

VSP-70, "Removal and Installation"

.

Component Inspection

INFOID:0000000010309874

1.

CHECK VSP OFF SWITCH

1. Turn power switch OFF.

2. Disconnect VSP OFF switch connector. 

3. Check continuity between following terminals of the VSP OFF switch.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace VSP OFF switch. Refer to 

VSP-70, "Removal and Installation"

.

Terminal

Condition

Voltage

(Approx.)

(+)

(-)

VSP control unit

Connector

Terminal

M47

5

Ground

When VSP OFF switch is 
pressed

0 V

When VSP OFF switch is not 
pressed

12 V

Terminals

Condition

Continuity

6

8

When VSP OFF switch is pressed

Existed

When VSP OFF switch is not pressed

Not existed