Nissan Pathfinder (2009 year). Manual - part 70

AV-372

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

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. 

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-305,

"Removal and Installation"

.

4.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera harness connector.

(+)

(-)

Transmission 

position

Value (Approx.)

Connector

Terminal

D551

1

Ground

Reverse

6V

ALLIA0243ZZ

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

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-373

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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:0000000004432058

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.

Does continuity exist?

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 volt-

age

24

0V

Battery voltage

Battery volt-

age

ALNIA0325GB

Connector

Terminal

—

Continuity

M205

5

Ground

Yes

ALNIA0326GB

2009 Pathfinder

AV-374

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000004432059

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?

YES

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

AV-192, "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:0000000003939241

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

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-375

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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-455, "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

2009 Pathfinder

AV-376

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

RGB (R: RED) SIGNAL CIRCUIT

RGB (R: RED) SIGNAL CIRCUIT

Description

INFOID:0000000003939242

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

Diagnosis Procedure

INFOID:0000000003939243

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-457, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-455, "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

2009 Pathfinder

AV

RGB (G: GREEN) SIGNAL CIRCUIT

AV-377

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB (G: GREEN) SIGNAL CIRCUIT

Description

INFOID:0000000003939244

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

Diagnosis Procedure

INFOID:0000000003939245

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-457, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-455, "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

2009 Pathfinder

AV-378

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

RGB (B: BLUE) SIGNAL CIRCUIT

RGB (B: BLUE) SIGNAL CIRCUIT

Description

INFOID:0000000003939246

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

Diagnosis Procedure

INFOID:0000000003939247

1.

CHECK CONTINUITY RGB (B: BLUE) 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 18 and AV control unit harness connector M37 (B)
terminal 23.

4.

Check continuity between display unit harness connector M92
(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 M92 and AV control unit connec-
tor M37.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector M92 ter-
minal 18 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-457, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-455, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M92

18

M37

23

Yes

A

—

Continuity

Connector

Terminal

M92

18

Ground

No

AWNIA1791ZZ

(+)

(-)

Condition

Reference signal

Connector

Terminal

M92

18

Ground

Receive 
audio sig-
nal

ALNIA0387GB

SKIB2237J

2009 Pathfinder

AV

RGB SYNCHRONIZING SIGNAL CIRCUIT

AV-379

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

RGB SYNCHRONIZING SIGNAL CIRCUIT

Description

INFOID:0000000003939248

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

Diagnosis Procedure

INFOID:0000000003939249

1.

CHECK CONTINUITY RGB SYNCHRONIZING 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 19 and AV control unit harness connector M37 (B)
terminal 25.

4.

Check continuity between display unit harness connector M92
(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 M92 and AV control unit connec-
tor M37.

2.

Turn ignition switch ON.

3.

Check signal between display unit harness connector M92 ter-
minal 19 and ground.

Are voltage readings as specified?

YES

>> Replace display unit. Refer to 

AV-457, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-455, "Removal and Installation"

.

A

B

Continuity

Connector

Terminal

Connector

Terminal

M92

19

M37

25

Yes

A

—

Continuity

Connector

Terminal

M92

19

Ground

No

AWNIA1792ZZ

(+)

(-)

Condition

Reference signal

Connector

Terminal

M92

19

Ground

Receive 
audio sig-
nal

ALNIA0389GB

SKIB3603E

2009 Pathfinder