Nissan Qashqai J11. Manual - part 2087

 

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Nissan Qashqai J11. Manual - part 2087

 

 

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-37

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

INFOID:0000000010502034

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses are not blown.

Are the fuses blown?

YES

>> Replace the blown fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector M10.

3.

Check voltage between audio unit connector M10 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect audio unit connector M10.

3.

Check continuity between audio unit connectors and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fuse No.

7

Ignition power supply

4 (10A)

19

Battery power supply

19 (20A)

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M10

7

Ignition switch: ON

Battery voltage

19

Ignition switch: OFF

Audio unit

Ground

Continuity 

Connector

Terminal

M10

20

Yes

AV-38

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

FRONT TWEETER

FRONT TWEETER

Diagnosis Procedure

INFOID:0000000010502035

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio unit and speaker connectors for the following:
•  Proper connection
•  Damage
•  Disconnected or loose terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminals or connectors.

2.

CHECK FRONT TWEETER SIGNAL CIRCUIT CONTINUITY

1.

Disconnect audio unit connector M10 and suspect front tweeter connector.

2.

Check continuity between audio unit connector M10 and suspect front tweeter connector.

3.

Check continuity between audio unit connector M10 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT TWEETER SIGNAL

1.

Connect audio unit connector M10 and suspect front tweeter connector.

2.

Turn ignition switch to ON.

3.

Push audio unit POWER switch.

4.

Check signal between the terminals of audio unit connector M10.

Audio unit

Front tweeter

Continuity

Connector

Terminal

Connector

Terminal

M10

2

M84 (LH)

1

Yes

3

2

11

M83 (RH)

1

12

2

Audio unit

Ground

Continuity

Connector

Terminal

M10

2

No

3

11

12

Audio unit connector M10

Condition

Reference value

(+)

(

)

Terminal

Terminal

AV

FRONT TWEETER

AV-39

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace front tweeter. Refer to 

AV-55, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-53, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E

AV-40

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO SYSTEM]

FRONT DOOR SPEAKER

FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000010502036

Regarding Wiring Diagram information, refer to 

AV-23, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio unit and speaker connectors for the following:
•  Proper connection
•  Damage
•  Disconnected or loose terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminals or connectors.

2.

CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY

1.

Disconnect audio unit connector M10 and suspect front door speaker connector.

2.

Check continuity between audio unit connector M10 and suspect front door speaker connector.

3.

Check continuity between audio unit connector M10 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT DOOR SPEAKER SIGNAL

1.

Connect audio unit connector M10 and suspect front door speaker connector.

2.

Turn ignition switch to ON.

3.

Push audio unit POWER switch.

4.

Check signal between the terminals of audio unit connector M10.

Audio unit

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

M10

2

D14 (LH)

1

Yes

3

2

11

D34 (RH)

1

12

2

Audio unit

Ground

Continuity

Connector

Terminal

M10

2

No

3

11

12

Audio unit connector M10

Condition

Reference value

(+)

(

)

Terminal

Terminal

 

 

 

 

 

 

 

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