Nissan Pathfinder (2010 year). Manual - part 34

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-79

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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2. Turn ignition switch ON.

3. Check voltage between rear view camera control unit harness

connector B176 and ground.

Is voltage reading approximately 6 volts?

YES

>> Inspection End.

NO

>> Replace rear view camera control unit. Refer to 

AV-156,

"Removal and Installation"

.

4.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect rear view camera harness connector.

3. Check continuity between rear view camera harness connector

D551 terminal 2 and ground. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

DVD PLAYER
DVD PLAYER : Diagnosis Procedure

INFOID:0000000005259315

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses of the DVD player are not blown.

Is the fuse OK?

YES

>> GO TO 2

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

POWER SUPPLY CIRCUIT CHECK

1. Disconnect DVD player connector M205. 

2. Check voltage between the DVD player connector M205 and

ground.

Signal name

Connector 

Terminal

Transmission 

position

Value (Approx.)

Camera ON signal

B176

8

Reverse

6V

ALLIA0247ZZ

Connector

Terminal

—

Continuity

D551

2

Ground

Yes

ALLIA0248ZZ

Unit

Terminal

Signal name

Fuse No.

DVD player

21

Battery power

29

24

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M205

21

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

24

0V

Battery 
voltage

Battery 
voltage

ALNIA0325GB

2010 Pathfinder

2010 Pathfinder

AV-80

< COMPONENT DIAGNOSIS >

[MID AUDIO]

POWER SUPPLY AND GROUND CIRCUIT

Are the voltage results as specified?

YES

>> GO TO 3

NO

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

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

1. Turn ignition switch OFF.

2. Check continuity between DVD player harness connector M205

terminal 5 and ground.

Is continuity present?

YES

>> Inspection End.

NO

>> Repair DVD player ground.

VIDEO MONITOR
VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000005259316

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch to ACC.

2. Check voltage between video monitor harness connector B76

and ground.

Does battery voltage exist?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect the video monitor connector B76 and the DVD

player connector M205.

3. Check continuity between the video monitor harness connector

B76 (A) and the DVD player connector M205 (B).

4. Check continuity between video monitor harness connector B76

(A) and ground.

Are continuity results as specified?

Connector

Terminal

—

Continuity

M205

5

Ground

Yes

ALNIA0326GB

Connector

Terminal

Ignition switch position

Value (Approx.)

B76

16

ACC

Battery voltage

ALNIA0516GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

B76

16

M205

9

Yes

A

—

Continuity

Connector

Terminal

B76

16

Ground

No

ALNIA0517GB

2010 Pathfinder

2010 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-81

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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YES

>> Check DVD player power and ground supply.  Refer to 

AV-73, "AV CONTROL UNIT : Diagnosis

Procedure"

.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect video monitor connector.

3. Check continuity between video monitor harness connector B76

and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

Connector

Terminal

—

Continuity 

B76

12

Ground

Yes

15

ALNIA0518GB

2010 Pathfinder

2010 Pathfinder

AV-82

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000005259317

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000005259318

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB (R: RED) 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 17 and AV control unit harness connector M133 (B)

terminal 40.

4. Check continuity between display unit harness connector M93

(A) terminal 17 and ground.

Are the continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RGB (R: RED) 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 17 and ground.

Are the voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-143, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-141, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

17

M133

40

Yes

A

—

Continuity

Connector

Terminal

M93

17

Ground

No

ALNIA0382GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

17

Ground

Receive 
audio sig-
nal

ALNIA0383GB

SKIB2238J

2010 Pathfinder

2010 Pathfinder

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-83

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000005259319

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000005259320

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB (G: GREEN) 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 6 and AV control unit harness connector M133 (B)

terminal 39.

4. Check continuity between display unit harness connector M93

(A) terminal 6 and ground.

Are the continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RGB (G: GREEN) 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 6 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-143, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-141, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

6

M133

39

Yes

A

—

Continuity

Connector

Terminal

M93

6

Ground

No

ALNIA0384GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

6

Ground

Receive 
audio sig-
nal

ALNIA0385GB

SKIB2236J

2010 Pathfinder

2010 Pathfinder

AV-84

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000005259321

Transmit the image displayed with AV control unit with RGB signal to the display unit.

Diagnosis Procedure

INFOID:0000000005259322

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB (B: BLUE) 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 18 and AV control unit harness connector M133 (B)

terminal 38.

4. Check continuity between display unit harness connector M93

(A) terminal 18 and ground.

Are continuity results as specified?

YES

>> GO TO 2

NO

>> Repair harness or connector.

2.

CHECK RGB (B: BLUE) 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 18 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-143, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-141, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

18

M133

38

Yes

A

—

Continuity

Connector

Terminal

M93

18

Ground

No

ALNIA0386GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

18

Ground

Receive 
audio sig-
nal

ALNIA0387GB

SKIB2237J

2010 Pathfinder

2010 Pathfinder

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-85

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000005259323

Transmit the RGB synchronizing signal to the display unit so as to synchronize the RGB image displayed with

AV control unit.

Diagnosis Procedure

INFOID:0000000005259324

Regarding Wiring Diagram information, refer to 

AV-110, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB SYNCHRONIZING 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 19 and AV control unit harness connector M133 (B)

terminal 41.

4. Check continuity between display unit harness connector M93

(A) terminal 19 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 19 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-143, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-141, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

19

M133

41

Yes

A

—

Continuity

Connector

Terminal

M93

19

Ground

No

ALNIA0388GB

(+)

(-)

Condition

Reference signal

Connector

Terminal

M93

19

Ground

Receive 
audio sig-
nal

ALNIA0389GB

SKIB3603E

2010 Pathfinder

2010 Pathfinder

AV-86

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000005259325

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

unit.

Diagnosis Procedure

INFOID:0000000005259326

Regarding Wiring Diagram information, refer to 

AV-110, "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-143, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-141, "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

2010 Pathfinder

2010 Pathfinder