Nissan Pathfinder (2008 year). Manual - part 29

 

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Nissan Pathfinder (2008 year). Manual - part 29

 

 

AV-72

< COMPONENT DIAGNOSIS >

[MID AUDIO]

POWER SUPPLY AND GROUND CIRCUIT

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:0000000001450800

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.

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.

Are the continuity results as specified?

YES

>> Inspection End.

NO

>> Repair DVD player ground.

VIDEO MONITOR

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

Connector

Terminal

—

Continuity

M205

5

Ground

Yes

ALNIA0326GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-73

< COMPONENT DIAGNOSIS >

[MID AUDIO]

C

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VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000001450801

1.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch to ACC.

2.

Check voltage between video monitor harness connector B76
and ground.

Does specified 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 test results as specified?

YES

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

AV-66, "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.

Signal name

Connector No.

Terminal No.

Ignition switch 
position

Value (Ap-
prox.)

Display B+

B76

16

ACC

12V

ALNIA0516GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

B76

16

M205

9

Yes

A

—

Continuity

Connector

Terminal

B76

16

Ground

No

ALNIA0517GB

Connector No.

Terminal No.

—

Continuity 

B76

12

Ground

Yes

15

ALNIA0518GB

AV-74

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000001450802

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

Diagnosis Procedure

INFOID:0000000001450803

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 M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 17 and AV control unit harness connector M45 (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 M45.

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-136, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-134, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

17

M45

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

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-75

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000001450804

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

Diagnosis Procedure

INFOID:0000000001450805

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 M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 6 and AV control unit harness connector M45 (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 M45.

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-136, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-134, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

6

M45

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

AV-76

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000001450806

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

Diagnosis Procedure

INFOID:0000000001450807

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 M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 18 and AV control unit harness connector M45 (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 M45.

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-136, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-134, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

18

M45

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

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-77

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000001450808

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

Diagnosis Procedure

INFOID:0000000001450809

1.

CHECK CONTINUITY RGB SYNCHRONIZING SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector M93 and AV control unit con-
nector M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 19 and AV control unit harness connector M45 (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 M45.

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-136, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-134, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

19

M45

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

AV-78

< COMPONENT DIAGNOSIS >

[MID AUDIO]

RGB AREA (YS) SIGNAL CIRCUIT

RGB AREA (YS) SIGNAL CIRCUIT

Description

INFOID:0000000001450810

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

Diagnosis Procedure

INFOID:0000000001450811

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 M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 9 and AV control unit harness connector M45 (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 M45.

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-136, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-134, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

9

M45

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

AV

HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

AV-79

< COMPONENT DIAGNOSIS >

[MID AUDIO]

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HORIZONTAL SYNCHRONIZING (HP) SIGNAL CIRCUIT

Description

INFOID:0000000001450812

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:0000000001450813

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 M45.

3.

Check continuity between display unit harness connector M93
(A) terminal 8 and AV control unit harness connector M45 (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 M45.

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-134, "Removal and Installation"

.

NO

>> Replace display unit. Refer to 

AV-136, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

8

M45

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

 

 

 

 

 

 

 

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