Nissan Pathfinder (2012 year). Manual - part 43

 

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Nissan Pathfinder (2012 year). Manual - part 43

 

 

AV-162

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

POWER SUPPLY AND GROUND CIRCUIT

AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Procedure

INFOID:0000000007347728

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

1.

CHECK FUSES

Check that the following fuses of the AV control unit are not 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 M70. 

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

M70 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 AV control unit harness connectors M42, M45, M46, M70 and ground.

Unit

Terminals

Signal name

Fuse No.

AV control unit

19

Battery power

29

7

Ignition switch ACC or ON

4

104

Ignition switch ON or START

12

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M42

7

Ground

0V

Battery 
voltage

Battery 
voltage

19

Ground

Battery 
voltage

Battery 
voltage

Battery 
voltage

M70

104

Ground

0V

0V

Battery 
voltage

AWNIA0456ZZ

August 2012

2012 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-163

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Are the continuity results as specified?

YES

>> Inspection End.

NO

>> Repair AV control unit ground.

DISPLAY UNIT
DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000007347729

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

1.

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

>> GO TO 2

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect the display unit connector M93 and the AV control

unit connector M45.

3. Check continuity between the display unit harness connector

M93 (A) and the AV control unit connector M45 (B).

4. Check continuity between the display unit harness connector M93 (A) and ground.

Are continuity results as specified?

YES

>> Check AV control unit power and ground supply. Refer to 

AV-162, "AV CONTROL UNIT : Diagno-

sis Procedure"

.

NO

>> Repair harness or connector.

(+)

(-)

Continuity

Connector

Terminal

M42

20

Ground

Yes

M45

54

M46

68

M70

85

Connector

Terminal

Ignition switch 

position

Value (Approx.)

M93

2

ACC

9V

3

ALNIA0317GB

A

B

Continuity

Connector

Terminal

Connector

Terminal

M93

2

M45

59

Yes

3

47

A

—

Continuity

Connector

Terminal

M93

2

Ground

No

3

ALNIA0318GB

August 2012

2012 Pathfinder

AV-164

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect display unit connector.

3. Check continuity between display unit harness connector 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:0000000007347730

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

1.

CHECK FUSE

Check that the fuse of the AC and AV switch assembly is 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 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

Connector

Terminal

—

Continuity

M93

1

Ground

Yes

ALNIA0319GB

Unit

Terminal

Signal name

Fuse No.

A/C and AV switch assembly

2

Ignition switch ACC or ON

4

(+)

(-)

OFF

ACC

ON

Connector

Terminal

M98

2

Ground

0V

Battery 
voltage

Battery 
voltage

ALNIA0315GB

August 2012

2012 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-165

< DTC/CIRCUIT 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. Check continuity between A/C and AV switch assembly harness

connector M98 and ground.

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or ground.

BOSE SPEAKER AMP
BOSE SPEAKER AMP : Diagnosis Procedure

INFOID:0000000007347731

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

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.

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.

SUBWOOFER

Connector

Terminal

—

Continuity

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

(+)

(-)

Continuity

Connector

Terminal

B74

17

Ground

Yes

ALNIA0526GB

August 2012

2012 Pathfinder

AV-166

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

SUBWOOFER : Diagnosis Procedure

INFOID:0000000007347732

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

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:0000000007347733

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

1.

CHECK FUSES

Check that the following fuses of the satellite radio tuner (factory installed) 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.

Satellite radio tuner (factory in-
stalled)

32

Battery power

17

36

Ignition switch ACC or ON

4

August 2012

2012 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-167

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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
REAR VIEW CAMERA : Diagnosis Procedure

INFOID:0000000007347734

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

1.

CHECK POWER SUPPLY CIRCUIT (REAR VIEW CAMERA SIDE)

NOTE:

Apply parking brakes before proceeding.

1. Turn ignition switch ON.

2. Shift transmission into reverse.

3. Check voltage between rear view camera harness connector D551 terminal 2 and ground.

Is voltage reading approximately 12 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 AV control unit connectors.

3. Check continuity between rear view camera harness connector D551 terminal 2 and AV control unit har-

ness connector M134 terminal 105. 

(+)

(-)

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

(+)

(-)

Transmission 

position

Value (Approx.)

Connector

Terminal

D551

2

Ground

Reverse

12V

August 2012

2012 Pathfinder

AV-168

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

4. Check continuity between rear view camera harness connector D551 terminal 2 and ground. 

Are continuity test results as specified?

YES

>> GO TO 3.

NO

>> Repair harness or connector.

3.

CHECK REVERSE POSITION INPUT SIGNAL

1. Turn ignition switch ON.

2. Shift transmission into reverse.

3. Check voltage between AV control unit harness connector M134 terminal 105 and ground.

Is voltage reading approximately 12 volts?

YES

>> Replace AV control unit. Refer to 

AV-255, "Removal and Installation"

.

NO

>> Check harness for open or short between AV control unit and back-up lamp relay.

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 1 and ground. 

Does continuity exist?

YES

>> Inspection End.

NO

>> Repair harness or connector.

DVD PLAYER
DVD PLAYER : Diagnosis Procedure

INFOID:0000000007347735

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

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

Connector

Terminal

Connector

Terminal

Continuity

D551

2

M134

105

Yes

Connector

Terminal

—

Continuity

D551

2

Ground

No

(+)

(-)

Transmission 

position

Value (Approx.)

Connector

Terminal

M134

105

Ground

Reverse

12V

Connector

Terminal

—

Continuity

D551

1

Ground

Yes

Unit

Terminal

Signal name

Fuse No.

DVD player

21

Battery power

29

24

Ignition switch ACC or ON

4

August 2012

2012 Pathfinder

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-169

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITHOUT NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

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:0000000007347736

Regarding Wiring Diagram information, refer to 

AV-225, "Wiring Diagram - Without Navigation System"

.

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

(+)

(-)

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

August 2012

2012 Pathfinder

 

 

 

 

 

 

 

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