Nissan Sentra. Manual - part 13

AV-44

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

REAR SPEAKER

Is the inspection result normal?

YES

>> Replace rear speaker. Refer to 

AV-61, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-58, "Removal and Installation"

.

4

5

Audio signal output

13

14

SKIB3609E

AV

BLUETOOTH® VOICE SIGNAL CIRCUIT

AV-45

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

BLUETOOTH® VOICE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009758815

Regarding Wiring Diagram information, refer to 

AV-25, "Wiring Diagram"

.

1.

CHECK BLUETOOTH

®

 VOICE SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect audio unit connector M44 and Bluetooth

®

 control unit connector M45.

3. Check continuity between audio unit connector M44 and Bluetooth

®

 control unit connector M45.

4. Check continuity between audio unit connector M44 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK BLUETOOTH

®

 VOICE SIGNAL GROUND CIRCUIT CONTINUITY

Check continuity between audio unit connector M44 and Bluetooth

®

 control unit connector M45.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK BLUETOOTH

®

 VOICE SIGNAL

1. Connect audio unit connector M44 and Bluetooth

®

 control unit connector M45.

2. Turn ignition switch to ACC.
3. Press  

switch.

4. Check signal between the terminals of audio unit connector M44.

Audio unit

Bluetooth

®

 control unit

Continuity

Connector

Terminal

Connector

Terminal

M44

32

M45

9

Yes

Audio unit

Ground

Continuity

Connector

Terminal

M44

32

—

No

Audio unit

Bluetooth

®

 control unit

Continuity

Connector

Terminal

Connector

Terminal

M42

31

M45

10

Yes

AV-46

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

BLUETOOTH® VOICE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-68, "Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-58, "Removal and Installation"

.

Audio unit connector M44

Condition

Reference value

(+)

(

−)

Terminal

Terminal

32

31

During voice guide output with 

 switch pressed.

SKIB3609E

AV

BLUETOOTH® CONTROL SIGNAL CIRCUIT

AV-47

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

BLUETOOTH® CONTROL SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000009758816

Regarding Wiring Diagram information, refer to 

AV-25, "Wiring Diagram"

.

1.

CHECK CONTROL SIGNAL CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector M45.

3. Check continuity between Bluetooth

®

 control unit connector M45 and ground.

Is the inspection result normal?

YES

>> Replace Bluetooth

®

 control unit. Refer to 

AV-68, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminals

M45

                         4

—

Yes

21

22

23

27