Nissan Sentra. Manual - part 95

AV-372

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

FRONT DOOR SPEAKER

FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009759052

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit, Bose speaker amp. 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 (BOSE SPEAKER AMP.)

1. Disconnect Bose speaker amp. connector B43 and suspect front door speaker connector.

2. Check continuity between Bose speaker amp. connector B43 and suspect front door speaker connector.

3. Check continuity between Bose speaker amp. connector B43 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT DOOR SPEAKER SIGNAL (BOSE SPEAKER AMP.)

1. Connect Bose speaker amp. connector B43 and suspect front door speaker connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of Bose speaker amp. connector B43.

Bose speaker amp.

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

B43

20

D13 (LH)

1

Yes

19

2

7

D111 (RH)

1

6

2

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B43

20

—

No

19

7

6

Bose speaker amp. connector B43

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV

FRONT DOOR SPEAKER

AV-373

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace front door speaker. Refer to 

AV-408, "Removal and Installation"

.

NO

>> GO TO 4

4.

CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY (AV CONTROL UNIT)

1. Turn ignition switch to OFF.

2. Disconnect Bose speaker amp. connector B43 and AV control unit connector M100.

3. Check continuity between Bose speaker amp. connector B43 and AV control unit connector M100.

4. Check continuity between Bose speaker amp. connector B43 and ground.

Is the inspection result normal?

YES

>> GO TO 5

NO

>> Repair or replace harness or connectors.

5.

CHECK FRONT DOOR SPEAKER SIGNAL (AV CONTROL UNIT)

1. Connect Bose speaker amp. connector B43 and AV control unit connector M100.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between AV control unit connector M100 and ground.

Is the inspection result normal?

20

19

Audio signal output

7

6

SKIB3609E

Bose speaker amp.

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

B43

2

M100

3

Yes

3

2

4

12

5

11

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B43

2

—

No

3

4

5

AV control unit connector M100

Condition

Reference value

(+)

(

−)

Terminal

Terminal

2

3

Audio signal output

11

12

SKIB3609E

AV-374

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

FRONT DOOR SPEAKER

YES

>> Replace Bose speaker amp. Refer to 

AV-417, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-406, "Removal and Installation"

.

AV

FRONT TWEETER

AV-375

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

FRONT TWEETER

Diagnosis Procedure

INFOID:0000000009759053

Regarding Wiring Diagram information, refer to 

AV-331, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit, Bose speaker amp. 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 SPEAKER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)

1. Disconnect Bose speaker amp. connector B44 and suspect front speaker connector.

2. Check continuity between Bose speaker amp. connector B44 and suspect front speaker connector.

3. Check continuity between Bose speaker amp. connector B44 and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT SPEAKER SIGNAL (BOSE SPEAKER AMP.)

1. Connect Bose speaker amp. connector B44 and suspect front speaker connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of Bose speaker amp. connector B44.

Bose speaker amp.

Front speaker

Continuity

Connector

Terminal

Connector

Terminal

B44

37

M46 (LH)

1

Yes

36

2

34

M47 (RH)

1

35

2

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B44

36

—

No

37

34

35

Bose speaker amp. connector B44

Condition

Reference value

(+)

(

−)

Terminal

Terminal