Nissan Altima L32. Manual - part 40

AV-152

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

SOUND SIGNAL CIRCUIT (COUPE)

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector B57

and audio unit connector M45.

3. Check continuity between satellite radio tuner (factory installed)

connector B57 (A) and audio unit connector M45 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B57 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector B57 terminals 23 and 24 with CONSULT-III or oscillo-

scope.

Are voltage readings as specified?

YES

>> Replace audio unit. Refer to 

AV-215, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-223, "Removal and Installation - Coupe"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

B57

23

M45

33

Yes

24

34

A

—

Continuity

Connector

Terminal

B57

23

Ground

No

24

AWNIA0042ZZ

23 - 24

WKIA4550E

SKIB3609E

AV

SOUND SIGNAL CIRCUIT (SEDAN)

AV-153

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

SOUND SIGNAL CIRCUIT (SEDAN)

SATELLITE RADIO TUNER
SATELLITE RADIO TUNER : Description

INFOID:0000000004206474

Left and right channel audio signals are supplied from the satellite radio tuner to the audio unit through the

sound signal circuits.

SATELLITE RADIO TUNER : Diagnosis Procedure 

INFOID:0000000004206475

LEFT CHANNEL

1.

CHECK HARNESS

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector

B123 and audio unit connector M45.

3. Check continuity between satellite radio tuner (factory installed)

connector B123 (A) and audio unit connector M45 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK LEFT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector B123 terminals 21 and 22 with CONSULT-III or oscil-

loscope.

Are voltage readings as specified?

YES

>> Replace audio unit. Refer to 

AV-215, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-223, "Removal and Installation - Sedan"

.

RIGHT CHANNEL

1.

CHECK HARNESS

A

B

Continuity

Connector

Terminal

Connector

Terminal

B123

21

M45

31

Yes

22

32

A

—

Continuity

Connector

Terminal

B123

21

Ground

No

22

AWNIA0041ZZ

21 - 22

WKIA4548E

SKIB3609E

AV-154

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

SOUND SIGNAL CIRCUIT (SEDAN)

1. Turn ignition switch OFF.

2. Disconnect satellite radio tuner (factory installed) connector

B123 and audio unit connector M45.

3. Check continuity between satellite radio tuner (factory installed)

connector B123 (A) and audio unit connector M45 (B).

4. Check continuity between satellite radio tuner (factory installed) connector B123 (A) and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RIGHT CHANNEL AUDIO SIGNAL

1. Connect satellite radio tuner (factory installed) and audio unit.

2. Turn ignition switch ON.

3. Check signal between satellite radio tuner (factory installed)

connector B123 terminals 23 and 24 with CONSULT-III or oscil-

loscope.

Are voltage readings as specified?

YES

>> Replace audio unit. Refer to 

AV-215, "Removal and Installation"

.

NO

>> Replace satellite radio tuner. Refer to 

AV-223, "Removal and Installation - Sedan"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

B123

23

M45

33

Yes

24

34

A

—

Continuity

Connector

Terminal

B123

23

Ground

No

24

AWNIA0042ZZ

23 - 24

WKIA4550E

SKIB3609E

AV

MICROPHONE SIGNAL CIRCUIT (COUPE)

AV-155

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

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F

G

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MICROPHONE SIGNAL CIRCUIT (COUPE)

Description

INFOID:0000000004206476

Voice signals are transmitted from the microphone to the Bluetooth control unit using the microphone signal

circuits.

Diagnosis Procedure

INFOID:0000000004206477

1.

CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE

1. Turn ignition switch OFF.

2. Disconnect Bluetooth control unit connector and microphone

connector.

3. Check continuity between Bluetooth control unit harness con-

nector B55 (A) and microphone harness connector R7 (B).

4. Check continuity between Bluetooth control unit harness connector B55 (A) and ground.

Are the continuity test results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK MICROPHONE POWER SUPPLY

1. Connect Bluetooth control unit connector and microphone con-

nector.

2. Turn ignition switch ON.

3. Check voltage between microphone harness connector R7 ter-

minal 4 and ground.

Is voltage reading approx. 5 volts?

YES

>> GO TO 3

NO

>> Replace Bluetooth control unit. Refer to 

AV-235,

"Removal and Installation - Coupe"

.

3.

CHECK MICROPHONE SIGNAL

A

B

Continuity

Connector

Terminal

Connector

Terminal

B55

7

R7

1

Yes

8

2

29

4

A

—

Continuity

Connector

Terminal

B55

7

Ground

No

8

29

WKIA5795E

4 - Ground

: Approx. 5V

WKIA5796E