Nissan Maxima. Manual - part 108

AV-252

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/O BOSE]

REAR DOOR SPEAKER

REAR DOOR SPEAKER

Description

INFOID:0000000010064901

The AV control unit sends audio signals to the rear door speakers using the rear door speaker circuits.

Diagnosis Procedure

INFOID:0000000010064902

Regarding Wiring Diagram information, refer to 

AV-282, "Wiring Diagram - Without BOSE Audio System With-

out Navigation System"

.

1.

CONNECTOR CHECK

Check the AV control unit 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 AV control unit connector M115 (A) and suspect

speaker connector.

2. Check continuity between AV control unit harness connector

M115 (A) and suspect speaker harness connector (B).

3. Check continuity between AV control unit harness connector

M115 (A) and ground.

Are the continuity results as specified?

YES

>> GO TO 3.

NO

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

• Repair harness or connector.

3.

REAR DOOR SPEAKER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M115

4

D202

1

Yes

5

2

13

D302

1

14

2

A

—

Continuity

Connector

Terminal

M115

4

Ground

No

5

13

14

AWNIA0033ZZ

AV

REAR DOOR SPEAKER

AV-253

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/O BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect AV control unit connector and rear door speaker con-

nector.

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.

Is the audio signal voltage as specified?

YES

>> Replace rear door speaker. Refer to 

AV-320, "Removal

and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-311, "Removal and

Installation"

.

(+)

(-)

Condition

Reference

signal

Connec-

tor

Terminal

Terminal

M115

4

5

Receive 
audio sig-
nal

13

14

AWNIA0034ZZ

SKIA0177E

AV-254

< DTC/CIRCUIT DIAGNOSIS >

[COLOR DISPLAY - W/O BOSE]

SUBWOOFER

SUBWOOFER

Description

INFOID:0000000010064903

The AV control unit sends audio signals to the subwoofer amp. The subwoofer amp. amplifies the audio sig-

nals before sending them to the subwoofers using the audio signal circuits.

Diagnosis Procedure

INFOID:0000000010064904

Regarding Wiring Diagram information, refer to 

AV-282, "Wiring Diagram - Without BOSE Audio System With-

out Navigation System"

.

1.

CONNECTOR CHECK

Check the AV control unit, subwoofer amp. and subwoofer 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 subwoofer amp. connector B21 and suspect sub-

woofer connector.

2. Check continuity between subwoofer amp. harness connector

B21 (A) and suspect subwoofer harness connector (B).

3. Check continuity between subwoofer harness connector B21 (A)

and ground.

Are the continuity test results as specified?

YES

>> GO TO 3.

NO

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

• Repair harness or connector.

3.

REAR SUBWOOFER SIGNAL CHECK

A B 

Continuity

Connector

Terminal

Connector

Terminal

B21

6

B16

1

Yes

5

2

10

B17

1

8

2

A

—

Continuity

Connector

Terminal

B21

6

Ground

No

5

10

8

AWNIA1682ZZ

AV

SUBWOOFER

AV-255

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[COLOR DISPLAY - W/O BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1. Connect subwoofer amp. connector B21 and suspect subwoofer

connector.

2. Turn ignition switch to ACC.

3. Push POWER switch.

4. Check the signal between subwoofer amp. harness connector

B21 terminals with CONSULT or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace suspect subwoofer. Refer to 

AV-321, "Removal

and Installation"

.

NO

>> GO TO 4.

4.

HARNESS CHECK

1. Disconnect AV control unit connector M115 and subwoofer

speaker amp. connector B21.

2. Check continuity between AV control unit harness connector

M115 (A) and subwoofer amp. harness connector B21 (B).

3. Check continuity between AV control unit harness connector

M115 (A) terminal 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.

SUBWOOFER SIGNAL CHECK

Connector

Terminals

Condition

Reference

signal

(+)

(-)

B21

6

5

Receive au-
dio signal

10

8

AWNIA1683ZZ

SKIA0177E

A

B 

Continuity

Connector

Terminal

Connector

Terminal

M115

4

B21

2

Yes

5

1

13

4

14

3

A

—

Continuity

Connector

Terminal

M115

4

Ground

No

5

13

14

AWNIA1684ZZ