Nissan Maxima. Manual - part 73

AV-112

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

TWEETER

1. Connect audio unit connector and BOSE speaker amp. connec-

tor.

2. Turn ignition switch ACC.

3. Push POWER switch.

4. Check the signal between audio unit harness connector termi-

nals with CONSULT or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace BOSE speaker amp. Refer to 

AV-169,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-161, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M132

2

3

Receive 
audio sig-
nal

11

12

ALNIA0171ZZ

SKIA0177E

AV

CENTER SPEAKER

AV-113

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

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M

B

A

O

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CENTER SPEAKER

Description

INFOID:0000000009471233

The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio

signals before sending them to the center speaker using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000009471234

Regarding Wiring Diagram information, refer to 

AV-138, "Wiring Diagram - With BOSE Audio System"

.

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 terminal and connector.

2.

HARNESS CHECK

1. Disconnect BOSE speaker amp. connector B109 and center

speaker connector M130.

2. Check continuity between BOSE speaker amp. harness connec-

tor B109 (A) and center speaker harness connector M130 (B).

3. Check continuity between BOSE speaker amp. harness connec-

tor B109 (A) and ground.

Are continuity test results as specified?

YES

>> GO TO 3.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

3.

CENTER SPEAKER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

B109

29

M130

1

Yes

30

2

A 

—

Continuity

Connector

Terminal

B109

29

Ground

No

30

AWNIA1699ZZ

AV-114

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

CENTER SPEAKER

1. Connect BOSE speaker amp. connector B109 and center

speaker connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between BOSE speaker amp. harness connec-

tor B109 terminals with CONSULT or oscilloscope.

Is the audio signal voltage reading as specified?

YES

>> Replace center speaker. Refer to 

AV-165, "Removal and Installation"

.

NO

>> GO TO 4.

4.

HARNESS CHECK

1. Disconnect audio unit connector M132 and BOSE speaker amp.

connector B109.

2. Check continuity between audio unit harness connector M132

(A) and BOSE speaker amp. harness connector B109 (B).

3. Check continuity between audio unit harness connector M132

(A) and ground.

Are continuity test results as specified?

YES

>> GO TO 5.

NO

>> • Check connector housings for disconnected or loose terminals.

• Repair harness or connector.

5.

CENTER SPEAKER SIGNAL CHECK

Connector

Terminals

Condition

Reference

signal

(+)

(-)

B109

29

30

Receive 
audio sig-
nal

AWNIA1700ZZ

SKIA0177E

A

B 

Continuity

Connector

Terminal

Connector

Terminal

M132

2

B109

35

Yes

3

36

11

33

12

34

A

—

Continuity

Connector

Terminal

M132

2

Ground

No

3

11

12

AWNIA1696ZZ

AV

CENTER SPEAKER

AV-115

< DTC/CIRCUIT DIAGNOSIS >

[MONOCHROME DISPLAY - W/ BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect audio unit connector and BOSE speaker amp. connec-

tor.

2. Turn ignition switch ACC.

3. Push POWER switch.

4. Check the signal between audio unit harness connector termi-

nals with CONSULT or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace BOSE speaker amp. Refer to 

AV-169,

"Removal and Installation"

.

NO

>> Replace audio unit. Refer to 

AV-161, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M132

2

3

Receive 
audio sig-
nal

11

12

ALNIA0171ZZ

SKIA0177E