Nissan Pathfinder (2008 year). Manual - part 43

AV-184

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

Check voltage between rear view camera control unit harness con-
nector B176 and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera control unit connector.

3.

Check continuity between rear view camera control unit harness
connector B176 terminal 3 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA

REAR VIEW CAMERA : Diagnosis Procedure

INFOID:0000000001451606

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

1.

Turn ignition switch ON.

2.

Shift transmission into reverse.

3.

Check voltage between rear view camera harness connector
D551 and ground.

Is voltage reading approximately 6 volts?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera and rear view camera control unit connectors.

3.

Check continuity between rear view camera harness connector
D551 (A) terminal 1 and rear view camera control unit harness
connector B176 (B) terminal 8. 

4.

Check continuity between rear view camera harness connector
D551 (A) terminal 1 and ground. 

Signal name

Connector 

No.

Terminal 

No.

Ignition switch 

position

Value (Approx.)

Battery power supply

B176

1

OFF

Battery voltage

ACC power supply

2

ACC

ALLIA0244ZZ

Connector Terminal 

— 

Continuity 

B176

3 Ground 

Yes 

ALLIA0245ZZ

Signal name

Connector 

No.

Terminal 

No.

Transmission 

position

Value (Approx.)

Camera ON signal

D551

1

Reverse

6V

ALLIA0243ZZ

A

B

Continuity

Connector

Terminal

Connector

Terminal

D551

1

B176

8

Yes

ALLIA0246ZZ

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-185

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

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B

A

O

P

Are continuity test results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA CONTROL UNIT SIDE)

1.

Connect rear view camera control unit harness connector.

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-279,

"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:0000000001451607

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

A

—

Continuity

Connector

Terminal

D551

1

Ground

No

Signal name

Connector 

No.

Terminal 

No.

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

AV-186

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

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

VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000001451608

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).

(+)

(-)

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

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

ALNIA0517GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-187

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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B

A

O

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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-178, "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.

A

—

Continuity

Connector

Terminal

B76

16

Ground

No

Connector No.

Terminal No.

—

Continuity 

B76

12

Ground

Yes

15

ALNIA0518GB

AV-188

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000001451609

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

Diagnosis Procedure

INFOID:0000000001451610

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-267, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-266, "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-189

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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B

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RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000001451611

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

Diagnosis Procedure

INFOID:0000000001451612

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-267, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-266, "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-190

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000001451613

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

Diagnosis Procedure

INFOID:0000000001451614

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-267, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-266, "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-191

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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B

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RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000001451615

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

Diagnosis Procedure

INFOID:0000000001451616

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-267, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-266, "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