Nissan Pathfinder (2010 year). Manual - part 71

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-375

< COMPONENT DIAGNOSIS >

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SUBWOOFER : Diagnosis Procedure

INFOID:0000000005259579

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the subwoofer fuse is not blown.

Is the fuse OK?

YES

>> GO TO 2

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect subwoofer connector.

3. Check voltage between subwoofer harness connector B72 ter-

minal 6 and ground.

Is battery voltage present?

YES

>> GO TO 3

NO

>> Check harness between subwoofer and fuse.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between subwoofer harness connector B72

terminal 5 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

REAR VIEW CAMERA CONTROL UNIT
REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure

INFOID:0000000005259580

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuses of the rear view camera control unit are not blown.

Unit

Terminal

Signal name

Fuse No.

Subwoofer

6

Battery power

17

(+)

(-)

Voltage (approx.)

Connector

Terminal

B72

6

Ground

Battery voltage

ALNIA0528GB

(+)

(-)

Continuity

Connector

Terminal

B72

5

Ground

Yes

ALNIA0529GB

Unit

Terminals

Signal name

Fuse No.

Rear view camera control unit

1

Battery power

29

2

Ignition switch ACC or ON

4

2010 Pathfinder

2010 Pathfinder

AV-376

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POWER SUPPLY AND GROUND CIRCUIT

Are the fuses OK?

YES

>> GO TO 2

NO

>> Be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY 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:0000000005259581

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

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.

(+)

(-)

Ignition switch position

Value (Approx.)

Connector

Terminal

B176

1

Ground

OFF

Battery voltage

2

ACC

ALLIA0244ZZ

Connector Terminal 

—

Continuity 

B176

3 Ground Yes 

ALLIA0245ZZ

(+)

(-)

Transmission 

position

Value (Approx.)

Connector

Terminal

D551

1

Ground

Reverse

6V

ALLIA0243ZZ

2010 Pathfinder

2010 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-377

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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. 

Are continuity 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

>> GO TO 4.

NO

>> Replace rear view camera control unit. Refer to 

AV-309,

"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:0000000005259582

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK FUSE

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

A

B

Continuity

Connector

Terminal

Connector

Terminal

D551

1

B176

8

Yes

A

—

Continuity

Connector

Terminal

D551

1

Ground

No

ALLIA0246ZZ

(+)

(-)

Transmission po-

sition

Value (Approx.)

Connector

Terminal

B176

8

Ground

Reverse

6V

ALLIA0247ZZ

Connector

Terminal

—

Continuity

D551

2

Ground

Yes

ALLIA0248ZZ

2010 Pathfinder

2010 Pathfinder

AV-378

< COMPONENT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT

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.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair DVD player ground.

VIDEO MONITOR
VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000005259583

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch to ACC.

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 volt-

age

24

0V

Battery voltage

Battery volt-

age

ALNIA0325GB

Connector

Terminal

—

Continuity

M205

5

Ground

Yes

ALNIA0326GB

2010 Pathfinder

2010 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-379

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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?

YES

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

AV-193, "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.

MICROPHONE
MICROPHONE : Diagnosis Procedure

INFOID:0000000005259584

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT

(+)

(-)

Ignition switch 

position

Value (Approx.)

Connector

Terminal

B76

16

Ground

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

Connector

Terminal

—

Continuity 

B76

12

Ground

Yes

15

ALNIA0518GB

2010 Pathfinder

2010 Pathfinder

AV-380

< COMPONENT DIAGNOSIS >

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POWER SUPPLY AND GROUND CIRCUIT

Check voltage between microphone harness connector R8 terminal

4 and ground.

Is approximately 5V present?

YES

>> GO TO 3

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

1. Turn ignition switch OFF.

2. Disconnect microphone and AV control unit harness connectors.

3. Check continuity between microphone harness connector R8

(A) terminal 4 and AV control unit harness connector M48 (B)

terminal 73. 

4. Check continuity between microphone harness connector R8

(A) terminal 4 and ground. 

Are the continuity test results as specified?

YES

>> Replace the AV control unit. Refer to 

AV-460, "Removal and Installation"

.

NO

>> Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect microphone harness connector R8 and AV control

unit harness connector M48.

3. Check continuity between microphone harness connector R8

(A) terminal 2 and AV control unit harness connector M48 (B)

terminal 74. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

(+)

(-)

Ignition switch position

Value (Approx.)

Connector

Terminal

R8

4

Ground

ON

5V

WKIA5796E

A

B

Continuity

Connector

Terminal

Connector

Terminal

R8

4

M48

73

Yes

A

—

Continuity

Connector

Terminal

R8

4

Ground

No

ALNIA0548GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

R8

2

M48

74

Yes

ALNIA0549GB

2010 Pathfinder

2010 Pathfinder

AV

RGB (R: RED) SIGNAL CIRCUIT

AV-381

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RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000005259585

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

Diagnosis Procedure

INFOID:0000000005259586

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M92 and AV control unit con-

nector M37.

3. Check continuity between display unit harness connector M92

(A) terminal 17 and AV control unit harness connector M37 (B)

terminal 21.

4. Check continuity between display unit harness connector M92

(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 M92 and AV control unit connec-

tor M37.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M92 ter-

minal 17 and ground.

Are the voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-462, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-460, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M92

17

M37

21

Yes

A

—

Continuity

Connector

Terminal

M92

17

Ground

No

AWNIA1789ZZ

(+)

(-)

Condition

Reference signal

Connector

Terminal

M92

17

Ground

Receive 
audio sig-
nal

ALNIA0383GB

SKIB2238J

2010 Pathfinder

2010 Pathfinder

AV-382

< COMPONENT DIAGNOSIS >

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RGB (G: GREEN) SIGNAL CIRCUIT

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000005259587

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

Diagnosis Procedure

INFOID:0000000005259588

Regarding Wiring Diagram information, refer to 

AV-414, "Wiring Diagram"

.

1.

CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector M92 and AV control unit con-

nector M37.

3. Check continuity between display unit harness connector M92

(A) terminal 6 and AV control unit harness connector M37 (B)

terminal 22.

4. Check continuity between display unit harness connector M92

(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 M92 and AV control unit connec-

tor M37.

2. Turn ignition switch ON.

3. Check signal between display unit harness connector M92 ter-

minal 6 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-462, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-460, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M92

6

M37

22

Yes

A

—

Continuity

Connector

Terminal

M92

6

Ground

No

AWNIA1790ZZ

(+)

(-)

Condition

Reference signal

Connector

Terminal

M92

6

Ground

Receive 
audio sig-
nal

ALNIA0385GB

SKIB2236J

2010 Pathfinder

2010 Pathfinder