Nissan Pathfinder (2008 year). Manual - part 22

 

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Nissan Pathfinder (2008 year). Manual - part 22

 

 

AV-16

< COMPONENT DIAGNOSIS >

[BASE AUDIO]

FRONT TWEETER

 FRONT TWEETER 

Description

INFOID:0000000001499932

The audio unit sends audio signals to the front tweeters using the front tweeter circuits.

Diagnosis Procedure

INFOID:0000000001499933

1.

HARNESS CHECK

1.

Disconnect audio unit connector M42 (A) and suspect front
tweeter connector (B).

2.

Check continuity between audio unit harness connector M42 (A)
and suspect front tweeter harness connector (B).

3.

Check continuity between audio unit harness connector M42 (A)
and ground.

Are the continuity results as specified?

YES

>> GO TO 2

NO

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

• Repair harness or connector.

2.

TWEETER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M42

2

M109

1

Yes

3

2

11

M111

1

12

2

A

—

Continuity

Connector

Terminal

M42

2

Ground

No

3

11

12

AWNIA0031ZZ

AV

FRONT TWEETER

AV-17

< COMPONENT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1.

Connect audio unit connector and front tweeter connector.

2.

Turn ignition switch to ACC.

3.

Push “POWER” switch.

4.

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

Is the audio signal voltage as specified?

YES

>> Replace tweeter. Refer to 

AV-33, "Removal and Installa-

tion"

.

NO

>> Replace audio unit. Refer to 

AV-31, "Removal and

Installation"

.

Connector

Terminals

Condition

Reference signal

(+)

(-)

M42

2

3

Receive audio 
signal

11

12

AWNIA0032ZZ

SKIA0177E

AV-18

< COMPONENT DIAGNOSIS >

[BASE AUDIO]

REAR DOOR SPEAKER

REAR DOOR SPEAKER

Description

INFOID:0000000001499934

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

Diagnosis Procedure

INFOID:0000000001499935

1.

HARNESS CHECK

1.

Disconnect audio unit connector M42 (A) and suspect speaker
connector.

2.

Check continuity between audio unit harness connector M42 (A)
and suspect speaker harness connector (B).

3.

Check continuity between audio unit harness connector M42 (A)
and ground.

Are the continuity results as specified?

YES

>> GO TO 2

NO

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

• Repair harness or connector.

2.

REAR SPEAKER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M42

4

D207

1

Yes

5

2

13

D307

1

14

2

A

—

Continuity

Connector

Terminal

M42

4

Ground

No

5

13

14

AWNIA0033ZZ

AV

REAR DOOR SPEAKER

AV-19

< COMPONENT DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1.

Connect audio unit connector and rear door 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-III or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace rear speaker. Refer to 

AV-35, "Removal and

Installation"

.

NO

>> Replace audio unit. Refer to 

AV-31, "Removal and

Installation"

.

Connector

Terminal

Condition

Reference signal

(+)

(-)

M42

4

5

Receive audio 
signal

13

14

AWNIA0034ZZ

SKIA0177E

AV-20

< ECU DIAGNOSIS >

[BASE AUDIO]

AUDIO UNIT

ECU DIAGNOSIS

AUDIO UNIT

Reference Value

INFOID:0000000001499942

TERMINAL LAYOUT

PHYSICAL VALUES

AWNIA0144ZZ

Terminal

 (Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

2 

(BR)

3

 (L)

Audio signal front LH

Output

Ignition 

switch 

ON

Audio output

4 

(G)

5

(B)

Audio signal rear LH

Output

Ignition 

switch 

ON

Audio output

7

(G/B)

Ground

ACC signal

Input

Ignition 

switch 

ON

Ignition switch ACC 
or ON

Battery voltage

8

(GR)

—

Illumination control

—

—

—

—

9

(R)

Ground

Illumination power

Input

Ignition 

switch 

ON

Lighting switch ON

12V

11

(LG)

12

(R)

Audio signal front RH

Output

Ignition 

switch 

ON

Audio output

SKIA0177E

SKIA0177E

SKIA0177E

AV

AUDIO UNIT

AV-21

< ECU DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

13

(GR)

14

(O)

Audio signal rear RH

Output

Ignition 

switch 

ON

Audio output

19

(Y)

Ground

Battery power

Input

–

–

Battery voltage

Terminal

 (Wire color)

Item

Signal 

input/

output

Condition

Reference value

+

–

SKIA0177E

AV-22

< ECU DIAGNOSIS >

[BASE AUDIO]

AUDIO UNIT

Wiring Diagram

INFOID:0000000001450838

ALNWA0052GB

AV

AUDIO UNIT

AV-23

< ECU DIAGNOSIS >

[BASE AUDIO]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

ALNIA0568GB

 

 

 

 

 

 

 

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