Nissan Maxima. Manual - part 147

AV-408

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

FRONT DOOR SPEAKER

1. Connect AV control unit connector and BOSE speaker amp.

connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between AV control unit harness connector ter-

minals with CONSULT or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace BOSE speaker amp. Refer to 

AV-493,

"Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-481, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M157

113

119

Receive 
audio sig-
nal

109

115

AWNIA1981ZZ

SKIA0177E

AV

TWEETER

AV-409

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

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TWEETER

Description

INFOID:0000000009471366

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

audio signals before sending them to the tweeters using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000009471367

Regarding Wiring Diagram information, refer to 

AV-449, "Wiring Diagram - With BOSE Audio system Without

Navigation System"

.

1.

CONNECTOR CHECK

Check the AV control 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 B110 and suspect

tweeter connector.

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

tor B110 (A) and suspect tweeter harness connector (B).

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

tor B110 (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.

TWEETER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

B110

1

M51

1

Yes

2

2

4

M52

1

3

2

A

—

Continuity

Connector

Terminal

B110

1

Ground

No

2

4

3

AWNIA1697ZZ

AV-410

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

TWEETER

1. Connect BOSE speaker amp. connector B110 and suspect

tweeter connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

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

tor B110 terminals with CONSULT or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace suspect tweeter. Refer to 

AV-488, "Removal

and Installation"

.

NO

>> GO TO 4.

4.

HARNESS CHECK

1. Disconnect AV control unit connector M157 and BOSE speaker

amp. connector B109.

2. Check continuity between AV control unit harness connector

M157 (A) and BOSE speaker amp. harness connector B109 (B).

3. Check continuity between AV control unit harness connector

M157 (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.

TWEETER SIGNAL CHECK

Connector

Terminals

Condition

Reference

signal

(+)

(-)

B110

1

2

Receive 
audio sig-
nal

4

3

AWNIA1698ZZ

SKIA0177E

A

B 

Continuity

Connector

Terminal

Connector

Terminal

M157

113

B109

35

Yes

119

36

109

33

115

34

A 

—

Continuity

Connector

Terminal

M157

113

Ground

No

119

109

115

AWNIA1761ZZ

AV

TWEETER

AV-411

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/ BOSE]

C

D

E

F

G

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1. Connect AV control unit connector and BOSE speaker amp.

connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between AV control unit harness connector ter-

minals with CONSULT or oscilloscope.

Are the audio signal voltage readings as specified?

YES

>> Replace BOSE speaker amp. Refer to 

AV-493,

"Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-481, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference

signal

(+)

(-)

M157

113

119

Receive 
audio sig-
nal

109

115

AWNIA1981ZZ

SKIA0177E