Nissan Sentra. Manual - part 70

AV-272

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

FRONT DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace front door speaker. Refer to 

AV-300, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E

AV

FRONT TWEETER

AV-273

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

FRONT TWEETER

Diagnosis Procedure

INFOID:0000000009758976

Regarding Wiring Diagram information, refer to 

AV-234, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control 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 AV control unit connector M103 and suspect front tweeter connector.

2. Check continuity between AV control unit connector M103 and suspect front tweeter connector.

3. Check continuity between AV control unit connector M103 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 AV control unit connector M103 and suspect front tweeter connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of AV control unit connector M103.

AV control unit

Front tweeter

Continuity

Connector

Terminal

Connector

Terminal

M103

2

M46 (LH)

1

Yes

3

2

11

M47 (RH)

1

12

2

AV control unit

Ground

Continuity

Connector

Terminal

M103

2

—

No

3

11

12

AV control unit connector M103

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-274

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

FRONT TWEETER

Is the inspection result normal?

YES

>> Replace front tweeter. Refer to 

AV-299, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-298, "Removal and Installation"

.

2

3

Audio signal output

11

12

SKIB3609E

AV

REAR SPEAKER

AV-275

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITHOUT BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

REAR SPEAKER

Diagnosis Procedure

INFOID:0000000009758977

Regarding Wiring Diagram information, refer to 

AV-234, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control 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 REAR SPEAKER SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M103 and suspect rear speaker connector.

2. Check continuity between AV control unit connector M103 and suspect rear speaker connector.

3. Check continuity between AV control unit connector M103 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK REAR SPEAKER SIGNAL

1. Connect AV control unit connector M103 and suspect rear speaker connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of AV control unit connector M103.

AV control unit

Rear speaker

Continuity

Connector

Terminal

Connector

Terminal

M103

4

B40 (LH)

1

Yes

5

2

13

B38 (RH)

1

14

2

AV control unit

Ground

Continuity

Connector

Terminal

M103

4

—

No

5

13

14

AV control unit connector M103

Condition

Reference value

(+)

(

−)

Terminal

Terminal