Nissan Pathfinder. Manual - part 186

AV

REAR SPEAKER

AV-571

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace rear side speaker. Refer to 

AV-624, "Removal and Installation"

.

NO

>> GO TO 4.

4.

CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M161 and BOSE speaker amp. connector B130.

2. Check continuity between AV control unit connector M161 and BOSE speaker amp. connector B130.

3. Check continuity between AV control unit connector M161 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Repair or replace harness or connectors.

5.

CHECK PRE-AMP SIGNAL

1. Connect AV control unit connector M161 and BOSE speaker amp. connector B130.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check signal between the terminals of AV control unit connector M161.

Is the inspection result normal?

YES

>> Replace BOSE speaker amp. Refer to 

AV-618, "Removal and Installation"

.

53

48

Audio signal output

44

43

SKIB3609E

AV control unit

BOSE speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M161

4

B130

64

Yes

5

63

13

66

14

65

AV control unit

Ground

Continuity

Connector

Terminal

M161

4

—

No

5

13

14

AV control unit connector M161

Condition

Reference value

(+)

(

−)

Terminal

Terminal

4

5

Audio signal output

13

14

SKIB3609E

AV-572

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

REAR SPEAKER

NO

>> Replace AV control unit. Refer to 

AV-611, "Removal and Installation"

.

AV

SUBWOOFER

AV-573

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

SUBWOOFER

Diagnosis Procedure

INFOID:0000000009174776

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit, BOSE speaker amp. and subwoofer connectors for the following:

• Proper connection

• Damage

• Disconnected or looses terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminal and connector.

2.

VERIFY SUBWOOFER POWER SUPPLY AND GROUND

Check subwoofer power supply and ground. Refer to 

AV-551, "SUBWOOFER : Diagnosis Procedure"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK SUBWOOFER AMP ON CIRCUIT CONTINUITY

1. Turn ignition switch OFF.

2. Disconnect Bose speaker amp. connector B130 and subwoofer connector.

3. Check continuity between Bose speaker amp. connector B130 and subwoofer connector B73.

4. Check continuity between Bose speaker amp. connector B130 and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connectors.

4.

CHECK SUBWOOFER AMP ON CIRCUIT VOLTAGE

1. Connect Bose speaker amp. connector B130.

2. Turn ignition switch ON.

3. Check voltage between Bose speaker amp. connector B130 and ground.

Is the inspection result normal?

YES

>> GO TO 5.

NO

>> Replace Bose speaker amp. Refer to 

AV-618, "Removal and Installation"

.

Bose speaker amp.

Subwoofer

Continuity

Connector

Terminal

Connector

Terminal

B130

62

B73

4

Yes

Bose speaker amp.

Ground

Continuity

Connector

Terminal

B130

62

—

No

Bose speaker amp.

Ground

Voltage

(Approx.)

(+)

(–)

Connector

Terminal

B130

62

—

Battery voltage

AV-574

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

SUBWOOFER

5.

CHECK SUBWOOFER SIGNAL CIRCUIT CONTINUITY

1. Disconnect BOSE speaker amp. connector B130 and subwoofer connector.

2. Check continuity between BOSE speaker amp. connector B130 and subwoofer connector.

3. Check continuity between BOSE speaker amp. connector B130 and ground.

Is the inspection result normal?

YES

>> GO TO 6.

NO

>> Repair or replace harness or connectors.

6.

CHECK SUBWOOFER SIGNAL

1. Connect BOSE speaker amp. connector B130 and subwoofer connector.

2. Turn ignition switch to ACC.

3. Push AV control unit POWER switch.

4. Check the signal between the terminals of BOSE speaker amp. connector B130.

Is the inspection result normal?

YES

>> Replace subwoofer. Refer to 

AV-625, "Removal and Installation"

.

NO

>> GO TO 7.

7.

CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M161 and BOSE speaker amp. connector B130.

2. Check continuity between AV control unit connector M161 and BOSE speaker amp. connector B130.

3. Check continuity between AV control unit connector M161 and ground.

BOSE speaker amp.

Subwoofer

Continuity

Connector

Terminal

Connector

Terminal

B130

56

B73

2

Yes

57

1

BOSE speaker amp.

Ground

Continuity

Connector

Terminal

B130

56

—

No

57

BOSE speaker amp. connector B130

Condition

Reference value

(+)

(

−)

Terminal

Terminal

56

57

Audio signal output

SKIB3609E

AV control unit

BOSE speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M161

4

B130

64

Yes

5

63

13

66

14

65