Nissan Sentra. Manual - part 46

AV-176

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

FRONT DOOR SPEAKER

FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009758899

Regarding Wiring Diagram information, refer to 

AV-157, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio 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 audio 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-177

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO 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-205, "Removal and Installation"

.

NO

>> GO TO 4

4.

CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY (AUDIO UNIT)

1. Turn ignition switch to OFF.

2. Disconnect Bose speaker amp. connector B43 and audio unit connector M94.

3. Check continuity between Bose speaker amp. connector B43 and audio unit connector M94.

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 (AUDIO UNIT)

1. Connect Bose speaker amp. connector B43 and audio unit connector M94.

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

4. Check signal between the terminals of audio unit connector M94.

Is the inspection result normal?

20

19

Audio signal output

7

6

SKIB3609E

Bose speaker amp.

Audio unit

Continuity

Connector

Terminal

Connector

Terminal

B43

2

M94

3

Yes

3

2

4

12

5

11

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B43

2

—

No

3

4

5

Audio unit connector M94

Condition

Reference value

(+)

(

−)

Terminal

Terminal

2

3

Audio signal output

11

12

SKIB3609E

AV-178

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

FRONT DOOR SPEAKER

YES

>> Replace Bose speaker amp. Refer to 

AV-214, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-203, "Removal and Installation"

.

AV

FRONT TWEETER

AV-179

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

FRONT TWEETER

Diagnosis Procedure

INFOID:0000000009758900

Regarding Wiring Diagram information, refer to 

AV-157, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio 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 TWEETER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)

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

2. Check continuity between Bose speaker amp. connector B44 and suspect front tweeter 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 TWEETER SIGNAL (BOSE SPEAKER AMP.)

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

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

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

Bose speaker amp.

Front tweeter

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