Nissan Pathfinder (2012 year). Manual - part 32

AV-74

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000007347642

Transmits the display area of RGB image displayed by AV control unit with RGB area (YS) signal to display

unit.

Diagnosis Procedure

INFOID:0000000007347643

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB AREA (YS) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M93 and AV control unit con-

nector M133.

3. Check continuity between display unit harness connector M93

(A) terminal 9 and AV control unit harness connector M133 (B)

terminal 43.

4. Check continuity between display unit harness connector M93

(A) terminal 9 and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RGB SYNCHRONIZING SIGNAL

1. Connect display unit connector M93 and AV control unit connec-

tor M133.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M93 ter-

minal 9 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-116, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-114, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

9

M133

43

Yes

A

—

Continuity

Connector

Terminal

M93

9

Ground

No

ALNIA0390GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

9

Ground

Receive 
audio sig-
nal

ALNIA0391GB

PKIB4948J

August 2012

2012 Pathfinder

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-75

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000007347644

In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-

tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-

played with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000007347645

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

1.

CHECK CONTINUITY HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M93 and AV control unit con-

nector M133.

3. Check continuity between display unit harness connector M93

(A) terminal 8 and AV control unit harness connector M133 (B)

terminal 45.

4. Check continuity between display unit harness connector M93

(A) terminal 8 and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK HORIZONTAL SYNCHRONIZING (HP) SIGNAL

1. Connect display unit connector M93 and AV control unit connec-

tor M133.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M93 ter-

minal 8 and ground.

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to 

AV-114, "Removal and Installation"

.

NO

>> Replace display unit. Refer to 

AV-116, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

8

M133

45

Yes

A

—

Continuity

Connector

Terminal

M93

8

Ground

No

ALNIA0394GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

8

Ground

Receive 
audio sig-
nal

ALNIA0396GB

SKIB3601E

August 2012

2012 Pathfinder

AV-76

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

Description

INFOID:0000000007347646

In composite image (AUX image, camera image), transmit the vertical synchronizing (VP) signal and horizon-

tal synchronizing (HP) signal from display unit to AV control unit so as to synchronize the RGB images dis-

played with AV control unit such as the image quality adjusting menu, etc.

Diagnosis Procedure

INFOID:0000000007347647

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

1.

CHECK CONTINUITY VERTICAL SYNCHRONIZING (VP) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M93 and AV control unit con-

nector M133.

3. Check continuity between display unit harness connector M93

(A) terminal 20 and AV control unit harness connector M133 (B)

terminal 57.

4. Check continuity between display unit harness connector M93

(A) terminal 20 and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK VERTICAL SYNCHRONIZING (VP) SIGNAL

1. Connect display unit connector M93 and AV control unit connec-

tor M133.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M93 ter-

minal 20 and ground.

Are voltage readings as specified?

YES

>> Replace AV control unit. Refer to 

AV-114, "Removal and Installation"

.

NO

>> Replace display unit. Refer to 

AV-116, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

20

M133

57

Yes

A

—

Continuity

Connector

Terminal

M93

20

Ground

No

ALNIA0392GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

20

Ground

Receive 
audio sig-
nal

ALNIA0393GB

SKIB3598E

August 2012

2012 Pathfinder

AV

FRONT DOOR SPEAKER

AV-77

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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FRONT DOOR SPEAKER

Description

INFOID:0000000007347648

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

Diagnosis Procedure

INFOID:0000000007347649

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

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 M131 and suspect

speaker connector.

2. Check continuity between AV control unit harness connector

M131 (A) terminal and suspect speaker harness connector (B)

terminal.

3. Check continuity between AV control unit harness connector

M131 (A) terminal and ground.

Are continuity results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

FRONT SPEAKER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M131

2

D12

1

Yes

3

2

11

D112

1

12

2

A

—

Continuity

Connector

Terminal

M131

2

Ground

No

3

11

12

AWNIA0031ZZ

August 2012

2012 Pathfinder

AV-78

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

FRONT DOOR SPEAKER

1. Connect AV control unit connector M131 and front speaker con-

nector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between AV control unit harness connector

M131 terminals with CONSULT or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace speaker. Refer to 

AV-118, "Removal and Instal-

lation"

.

NO

>> Replace AV control unit. Refer to 

AV-114, "Removal and

Installation"

.

(+)

(-)

Condi-

tion

Reference signal

Con-

nec-

tor

Termi-

nal

Termi-

nal

M131

2

3

Receive 
audio 
signal

11

12

AWNIA0032ZZ

SKIA0177E

August 2012

2012 Pathfinder

AV

FRONT TWEETER

AV-79

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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FRONT TWEETER

Description

INFOID:0000000007347650

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

Diagnosis Procedure

INFOID:0000000007347651

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

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 M131 and suspect front

tweeter connector.

2. Check continuity between AV control unit harness connector

M131 (A) and suspect front tweeter harness connector (B).

3. Check continuity between AV control unit harness connector

M131 (A) and ground.

Are the continuity results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

FRONT TWEETER SIGNAL CHECK

A

B

Continuity

Connector

Terminal

Connector

Terminal

M131

2

M109

1

Yes

3

2

11

M111

1

12

2

A

—

Continuity

Connector

Terminal

M131

2

Ground

No

3

11

12

AWNIA0031ZZ

August 2012

2012 Pathfinder

AV-80

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

FRONT TWEETER

1. Connect AV control unit connector M131 and front tweeter con-

nector.

2. Turn ignition switch to ACC.

3. Push “POWER” switch.

4. Check the signal between AV control unit harness connector

M131 terminals with CONSULT or oscilloscope.

Is the audio signal voltage as specified?

YES

>> Replace the suspect front tweeter. Refer to 

AV-117,

"Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-114, "Removal and

Installation"

.

(+)

(-)

Condi-

tion

Reference signal

Connector

Terminal

Terminal

M131

2

3

Receive 
audio 
signal

11

12

AWNIA0032ZZ

SKIA0177E

August 2012

2012 Pathfinder

AV

REAR DOOR SPEAKER

AV-81

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO]

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REAR DOOR SPEAKER

Description

INFOID:0000000007347652

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

Diagnosis Procedure

INFOID:0000000007347653

Regarding Wiring Diagram information, refer to 

AV-95, "Wiring Diagram"

.

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 M131 and suspect rear

speaker connector.

2. Check continuity between AV control unit harness connector

M131 (A) and suspect rear speaker harness connector (B).

3. Check continuity between AV control unit harness connector

M131 (A) and ground.

Are the continuity results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

REAR SPEAKER SIGNAL CHECK

A B

Continuity

Connector

Terminal

Connector

Terminal

M131

4

D209

1

Yes

5

2

13

D309

1

14

2

A

—

Continuity

Connector

Terminal

M131

4

Ground

No

5

13

14

AWNIA0033ZZ

August 2012

2012 Pathfinder