Nissan Sentra. Manual - part 47

AV-180

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

FRONT TWEETER

Is the inspection result normal?

YES

>> Replace front tweeter. Refer to 

AV-204, "Removal and Installation"

.

NO

>> GO TO 4

4.

CHECK FRONT TWEETER 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 TWEETER 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?

37

36

Audio signal output

34

35

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

FRONT TWEETER

AV-181

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

YES

>> Replace Bose speaker amp. Refer to 

AV-214, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-203, "Removal and Installation"

.

AV-182

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

REAR DOOR SPEAKER

REAR DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009758901

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 REAR DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)

1. Disconnect Bose speaker amp. connectors and suspect rear door speaker connector.

2. Check continuity between Bose speaker amp. connectors and suspect rear door speaker connector.

3. Check continuity between Bose speaker amp. connectors and ground.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace harness or connectors.

3.

CHECK REAR DOOR SPEAKER SIGNAL (BOSE SPEAKER AMP.)

1. Connect Bose speaker amp. connectors and suspect rear 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. connectors.

Bose speaker amp.

Rear door speaker

Continuity

Connector

Terminal

Connector

Terminal

B43

10

D207 (LH)

1

Yes

23

2

B44

24

D309 (RH)

1

29

2

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B43

10

—

No

23

B44

24

29

Bose speaker amp.

Condition

Reference value

Connector

(+)

(

−)

Terminal

Terminal

AV

REAR DOOR SPEAKER

AV-183

< 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 rear door speaker. Refer to 

AV-206, "Removal and Installation"

.

NO

>> GO TO 4

4.

CHECK REAR 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 REAR 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?

B43

10

23

Audio signal output

B44

24

29

SKIB3609E

Bose speaker amp.

Audio unit

Continuity

Connector

Terminal

Connector

Terminal

B43

14

M94

4

Yes

15

5

12

13

13

14

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B43

14

—

No

15

12

13

Audio unit connector M94

Condition

Reference value

(+)

(

−)

Terminal

Terminal

4

5

Audio signal output

13

14

SKIB3609E