Nissan Sentra. Manual - part 48

AV-184

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

REAR 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

REAR WOOFER

AV-185

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

C

D

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F

G

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B

A

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REAR WOOFER

Diagnosis Procedure

INFOID:0000000009758902

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 WOOFER SIGNAL CIRCUIT CONTINUITY (BOSE SPEAKER AMP.)

1. Disconnect Bose speaker amp. connector B44 and suspect rear woofer connector.

2. Check continuity between Bose speaker amp. connector B44 and suspect rear woofer 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 REAR WOOFER SIGNAL (BOSE SPEAKER AMP.)

1. Connect Bose speaker amp. connector B44 and suspect rear woofer 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.

Rear woofer

Continuity

Connector

Terminal

Connector

Terminal

B44

25

B36 (LH)

1

Yes

30

2

33

B39 (RH)

1

32

2

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B44

30

—

No

25

33

32

Bose speaker amp. connector B44

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-186

< DTC/CIRCUIT DIAGNOSIS >

[DISPLAY AUDIO WITH BOSE]

REAR WOOFER

Is the inspection result normal?

YES

>> Replace rear woofer. Refer to 

AV-207, "Removal and Installation"

.

NO

>> GO TO 4

4.

CHECK REAR WOOFER 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 WOOFER 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?

25

30

Audio signal output

33

32

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

AV

REAR WOOFER

AV-187

< 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"

.