Nissan Pathfinder (2007 year). Manual - part 72

AUDIO

AV-49

C

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AV

2007 Pathfinder

Sound Is Not Heard From Rear Door Speaker (Base and Mid Level System)

EKS00G5S

1. 

HARNESS CHECK

1.

Disconnect audio unit connector M44 and suspect speaker connector.

2.

Check continuity between audio unit harness connector M44 ter-
minal and suspect speaker harness connector terminal.

3.

Check continuity between audio unit harness connector M44 ter-
minal and ground.

OK or NG

OK

>> GO TO 2.

NG

>>

●

Check connector housings for disconnected or loose terminals.

●

Repair harness or connector.

Terminals

Continuity

Audio unit 

Speaker or tweeter

Connector

Terminal

Connector

Terminal

M44

13

D207

-

Yes

14

+

15

D307

-

16

+

Terminals

Continuity

Audio unit 

—

Connector

Terminal

M44

13

Ground

No

14

15

16

WKIA3371E

AV-50

AUDIO

2007 Pathfinder

2. 

REAR SPEAKER SIGNAL CHECK

1.

Connect audio unit connector and rear speaker connector.

2.

Turn ignition switch to ACC.

3.

Push “POWER” switch.

4.

Check the signal between audio unit harness connector termi-
nals with CONSULT-II or oscilloscope.

OK or NG

OK

>> Replace rear door speaker. Refer to 

AV-63, "REAR

DOOR SPEAKER"

 .

NG

>> Replace audio unit. Refer to 

AV-61, "Removal and

Installation"

 .

Terminals

Condi-

tion

Reference

signal

(+)

(-)

Con-

nector

Termi-

nal

Con-

nector

Terminal

M44

14

M44

13

Receive 
audio 
signal

16

15

SKIA4281E

SKIA0177E

AUDIO

AV-51

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AV

2007 Pathfinder

Sound Is Not Heard From Front Door Speaker or Front Tweeter (BOSE System)

EKS00G5T

1. 

HARNESS CHECK

1.

Disconnect BOSE speaker amp. connector B75 and suspect speaker connector.

2.

Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and suspect speaker harness connector termi-
nal.

3.

Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and ground.

OK or NG

OK

>> GO TO 2.

NG

>>

●

Check connector housings for disconnected or loose terminals.

●

Repair harness or connector.

Terminals

Continuity

BOSE speaker amp. 

Speaker or tweeter

Connector

Terminal

Connector

Terminal

B75

13

D12

+

Yes

14

-

15

D112

+

16

-

13

M109

+

14

-

15

M111

+

16

-

Terminals

Continuity

BOSE speaker amp. 

—

Connector

Terminal

B75

13

Ground

No

14

15

16

WKIA2018E

AV-52

AUDIO

2007 Pathfinder

2. 

FRONT SPEAKER SIGNAL CHECK

1.

Connect BOSE speaker amp. connector B75 and suspect speaker connector.

2.

Turn ignition switch to ACC.

3.

Push “POWER” switch.

4.

Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-II or oscilloscope.

OK or NG

OK

>> Replace suspect speaker. Refer to 

AV-62, "FRONT

DOOR SPEAKER"

 .

NG

>> GO TO 3.

Terminals

Condi-

tion

Reference

signal

(+)

(-)

Con-

nector

Terminal

Con-

nector

Termi-

nal

B75

13

B75

14

Receive 
audio 
signal

15

16

SKIA4283E

SKIA0177E

AUDIO

AV-53

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AV

2007 Pathfinder

3. 

HARNESS CHECK

1.

Disconnect audio unit connector M43 and BOSE speaker amp. connector B75.

2.

Check continuity between audio unit harness connector termi-
nals and BOSE speaker amp. harness connector terminals.

3.

Check continuity between audio unit harness connector termi-
nals and ground.

OK or NG

OK

>> GO TO 4.

NG

>>

●

Check connector housings for disconnected or loose terminals.

●

Repair harness or connector.

Terminals

Continuity

Audio unit

BOSE speaker amp. 

Connector

Terminal

Connector

Terminal

M43

1

B75

29

Yes

2

30

3

27

4

28

Terminals

Continuity

Audio unit 

—

Connector

Terminal

M43

1

Ground

No

2

3

4

SKIA4284E

AV-54

AUDIO

2007 Pathfinder

4. 

FRONT SPEAKER SIGNAL CHECK

1.

Connect audio unit connector and BOSE speaker amp. connector.

2.

Turn ignition switch to ACC.

3.

Push “POWER” switch.

4.

Check the signal between audio unit harness connector termi-
nals with CONSULT-II or oscilloscope.

OK or NG

OK

>> Replace BOSE speaker amp. Refer to 

AV-61, "BOSE

SPEAKER AMP."

 .

NG

>> Replace audio unit. Refer to 

AV-61, "Removal and

Installation"

 .

Terminals

Condi-

tion

Reference

signal

(+)

(-)

Con-

nector

Termi-

nal

Con-

nector

Termi-

nal

M43

2

M43

1

Receive 
audio 
signal

4

3

SKIA4278E

SKIA0177E

AUDIO

AV-55

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AV

2007 Pathfinder

Sound Is Not Heard From Rear Door Speaker or Rear Door Tweeter (BOSE Sys-
tem)

EKS00G5U

1. 

HARNESS CHECK

1.

Disconnect BOSE speaker amp. connector B75 and suspect speaker connector.

2.

Check continuity between BOSE speaker amp. harness connec-
tor terminal B75 and suspect speaker harness connector termi-
nal.

3.

Check continuity between BOSE speaker amp. harness connec-
tor B75 terminal and ground.

OK or NG

OK

>> GO TO 2.

NG

>>

●

Check connector housings for disconnected or loose terminals.

●

Repair harness or connector.

Terminals

Continuity

BOSE speaker amp. 

Speaker or tweeter

Connector

Terminal

Connector

Terminal

B75

9

D207

+

Yes

10

-

11

D307

+

12

-

9

D208

+

10

-

11

D308

+

12

-

Terminals

Continuity

BOSE speaker amp. 

—

Connector

Terminal

B75

9

Ground

No

10

11

12

WKIA1635E

AV-56

AUDIO

2007 Pathfinder

2. 

REAR SPEAKER SIGNAL CHECK

1.

Connect BOSE speaker amp. connector B75 and suspect speaker connector.

2.

Turn ignition switch to ACC.

3.

Push “POWER” switch.

4.

Check the signal between BOSE speaker amp. harness connec-
tor B75 terminals with CONSULT-II or oscilloscope.

OK or NG

OK

>> Replace suspect speaker. Refer to 

AV-63, "REAR

DOOR SPEAKER"

 .

NG

>> GO TO 3.

Terminals

Condi-

tion

Reference

signal

(+)

(-)

Con-

nec-

tor

Terminal

Con-

nec-

tor

Terminal

B75

9

B75

10

Receive 
audio 
signal

11

12

SKIA4314E

SKIA0177E