Nissan Pathfinder (2009 year). Manual - part 48

AV-196

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BOSE speaker amp. connector.

3.

Check continuity between BOSE speaker amp. harness connec-
tor B74 terminal 17 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

SUBWOOFER

SUBWOOFER : Diagnosis Procedure

INFOID:0000000003939086

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.

SATELLITE RADIO TUNER

SATELLITE RADIO TUNER : Diagnosis Procedure

INFOID:0000000003939087

1.

CHECK FUSES

(+)

(-)

Continuity

Connector

Terminal

B74

17

Ground

Yes

ALNIA0526GB

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

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-197

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Check that the following fuses of the satellite radio tuner (factory installed) are not blown.

Are the fuses 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.

Turn ignition switch OFF.

2.

Disconnect satellite radio tuner (factory installed) connector M41. 

3.

Check voltage between the satellite radio tuner (factory installed) and ground.

Are the voltage readings as specified?

YES

>> GO TO 3

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

GROUND CIRCUIT CHECK

Inspect satellite radio tuner (factory installed) case ground.

Does case ground pass inspection?

YES

>> Inspection End.

NO

>> Repair satellite radio tuner (factory installed) case ground.

REAR VIEW CAMERA CONTROL UNIT

REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure

INFOID:0000000003939088

1.

CHECK FUSE

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

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

Unit

Terminals

Signal name

Fuse No.

Satellite radio tuner (factory in-
stalled)

32

Battery power

17

36

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M41

32

Ground

Battery volt-

age

Battery volt-

age

Battery volt-

age

36

0V

Battery volt-

age

Battery volt-

age

WKIA4539E

Unit

Terminals

Signal name

Fuse No.

Rear view camera control unit

1

Battery power

29

2

Ignition switch ACC or ON

4

2009 Pathfinder

AV-198

< 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:0000000003939089

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

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-199

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT 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 (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.

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:0000000003939090

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

2009 Pathfinder

AV-200

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

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:0000000003939091

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

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

(+)

(-)

Ignition switch 

position

Value (Approx.)

Connector

Terminal

B76

16

Ground

ACC

Battery voltage

ALNIA0516GB

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-201

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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.

BLUETOOTH CONTROL UNIT

BLUETOOTH CONTROL UNIT : Diagnosis Procedure

INFOID:0000000004429129

1.

CHECK FUSE

Check that the following fuses of the Bluetooth control unit are not blown.

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

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

Power source

Fuse No.

Battery

29

Ignition switch ACC or ON

4

Ignition switch ON or START 

12

2009 Pathfinder

AV-202

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

Check voltage between Bluetooth control unit harness connector
and ground.

Are the voltage results as specified?

YES

>> GO TO 3

NO

>> Check harness between Bluetooth control unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Bluetooth control unit connector B124.

3.

Check continuity between Bluetooth control unit harness con-
nector and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

MICROPHONE

MICROPHONE : Diagnosis Procedure

INFOID:0000000004429130

1.

CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE)

Check voltage between microphone harness connector and ground.

Is proper voltage present?

YES

>> GO TO 4

NO

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT (CONTINUITY)

(+)

(-)

OFF

ACC

ON

Connector

Terminal

B124

1

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

2

0V

Battery 
voltage

Battery 
voltage

3

0V

0V

Battery 
voltage

WKIA4389E

Connector

Terminal

—

Continuity 

B124

4

Ground

Yes

21

22

24

AWLIA1681ZZ

(+)

(-)

Value (Approx.)

Connector

Terminal

R8

4

Ground

5V

WKIA5796E

2009 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-203

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

1.

Turn ignition switch OFF.

2.

Disconnect Bluetooth control unit and microphone connectors.

3.

Check continuity between microphone harness connector R8
(A) terminal 4 and Bluetooth control unit harness connector
B124 (B) terminal 29. 

4.

Check continuity between microphone harness connector R8
(A) terminal 4 and ground. 

Are continuity results as specified?

YES

>> GO TO 3

NO

>> Repair harness or connector.

3.

CHECK POWER SUPPLY CIRCUIT (BLUETOOTH CONTROL UNIT SIDE)

1.

Connect Bluetooth control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between Bluetooth control unit harness connec-
tor and ground.

Is proper voltage present?

YES

>> Inspection End.

NO

>> Replace Bluetooth control unit. Refer to 

AV-296,

"Removal and Installation"

.

4.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect Bluetooth control unit and microphone connectors.

3.

Check continuity between microphone harness connector R8
terminal 2 and Bluetooth control unit harness connector B124
terminal 8. 

Is continuity present?

YES

>> Inspection End.

NO

>> Repair harness or connector.

A

B

Continuity

Connector

Terminal

Connector

Terminal

R8

4

B124

29

Yes

A

—

Continuity

Connector

Terminal

R8

4

Ground

No

ALNIA0132ZZ

(+)

(-)

Value (Approx.)

Connector

Terminal

B124

29

Ground

5V

ALNIA0133ZZ

Connector

Terminal

Connector

Terminal

Continuity

R8

2

B124

8

Yes

ALNIA0170ZZ

2009 Pathfinder