Nissan Pathfinder (2008 year). Manual - part 62

 

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Nissan Pathfinder (2008 year). Manual - part 62

 

 

AV-336

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AV CONTROL UNIT

AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000001450608

1.

CHECK FUSES

Check that the following AV control unit fuses 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.

Disconnect AV control unit connectors M42 and M46. 

2.

Check voltage between the AV control unit connectors M42 and
M46 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.

Ignition OFF.

2.

Check continuity between AV control unit harness connector
M46 and ground.

Are the continuity results as specified?

YES

>> Inspection End.

NO

>> Repair AV control unit ground.

Unit

Terminals

Signal name

Fuse No.

AV control unit

19, 69, 71

Battery power

29

7, 72

Ignition switch ACC or ON

4

82

Ignition switch ON or START

12

(+)

(-)

OFF

ACC

ON

START

Connector

Terminal

M42

7

Ground

0V

Battery 
voltage

Battery 
voltage

0V

19

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

Battery 
voltage

M46

69

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

Battery 
voltage

71

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

Battery 
voltage

72

Ground

0V

Battery 
voltage

Battery 
voltage

0V

82

Ground

0V

0V

Battery 
voltage

Battery 
voltage

ALNIA0545GB

Connector

(+)

(-)

Continuity

Terminal

M46

68

Ground

Yes

70

ALNIA0547GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-337

< COMPONENT DIAGNOSIS >

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DISPLAY UNIT

DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000001450609

1.

CHECK FUSES

Check that the following display unit fuses 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.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch to ACC

2.

Check voltage between display unit harness connector M93 and
ground.

Does specified voltage exist?

YES

>> GO TO 3.

NO

>> • Check connector housings for disconnected or loose

terminals.

• Repair harness or connector.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector.

3.

Check continuity between display unit harness connector M93
and ground.

Does continuity exist?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

A/C AND AV SWITCH ASSEMBLY

A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

INFOID:0000000001450610

1.

CHECK FUSE

Check that the A/C and AV switch assembly fuse is not blown.

Is the fuse OK?

Unit

Terminals

Signal name

Fuse No.

Display unit

2

Battery power

29

3

Ignition switch ACC or ON

4

Signal name

Connector 

No.

Terminal 

No.

Ignition switch 

position

Value (Approx.)

B+

M93

2

ACC

12V

ACC

3

ALNIA0317GB

(+)

(-)

Continuity

Connector

Terminal

M93

1

Ground

Yes

13

ALNIA0407GB

Unit

Terminal

Signal name

Fuse No.

A/C and AV switch assembly

2

Ignition switch ACC or ON

4

AV-338

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

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 A/C and AV switch assembly connector M98. 

2.

Check voltage between the A/C and AV switch assembly con-
nector M98 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.

Ignition OFF.

2.

Check continuity between A/C and AV switch assembly harness
connector M98 and ground.

Are the continuity results as specified?

YES

>> Inspection End.

NO

>> Repair A/C and AV switch assembly ground.

BOSE SPEAKER AMP

BOSE SPEAKER AMP : Diagnosis Procedure

INFOID:0000000001469799

1.

CHECK FUSE

Check that the BOSE speaker amp. fuse is 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

1.

Turn ignition switch OFF.

2.

Disconnect BOSE speaker amp. connector.

3.

Check voltage between BOSE speaker amp. harness connector
B74 terminal 1 and ground.

Is battery voltage present?

YES

>> GO TO 3

NO

>> Check harness between BOSE speaker amp. and fuse.

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M98

2

Ground

0V

Battery 
voltage

Battery 
voltage

ALNIA0315GB

(+)

(-)

Continuity

Connector

Terminal

M98

1

Ground

Yes

ALNIA0316GB

Unit

Terminal

Signal name

Fuse No.

BOSE speaker amp.

1

Battery power

29

(+)

(-)

Voltage (approx.)

Connector

Terminal

B74

1

Ground

Battery voltage

ALNIA0527GB

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-339

< COMPONENT DIAGNOSIS >

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3.

CHECK 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.

WOOFER

WOOFER : Diagnosis Procedure

INFOID:0000000001469800

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

(+)

(-)

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

AV-340

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

REAR VIEW CAMERA CONTROL UNIT : Diagnosis Procedure

INFOID:0000000001469801

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

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:0000000001469802

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

1.

Turn ignition switch ON.

2.

Shift transmission into reverse.

Unit

Terminals

Signal name

Fuse No.

Rear view camera control unit

1

Battery power

29

2

Ignition switch ACC or ON

4

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

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-341

< COMPONENT DIAGNOSIS >

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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 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-439,

"Removal and Installation"

.

4.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect rear view camera harness connector.

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

A

—

Continuity

Connector

Terminal

D551

1

Ground

No

ALLIA0246ZZ

Signal name

Connector 

No.

Terminal 

No.

Transmission 

position

Value (Approx.)

Camera ON signal

B176

8

Reverse

6V

ALLIA0247ZZ

AV-342

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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:0000000001469803

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-343

< COMPONENT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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VIDEO MONITOR : Diagnosis Procedure

INFOID:0000000001469804

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-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.

MICROPHONE

MICROPHONE : Diagnosis Procedure

INFOID:0000000001450617

1.

CHECK POWER SUPPLY CIRCUIT

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

 

 

 

 

 

 

 

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