Nissan Pathfinder. Manual - part 125

AV

REAR SPEAKER

AV-327

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

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Is the inspection result normal?

YES

>> Replace rear side speaker. Refer to 

AV-378, "Removal and Installation"

.

NO

>> GO TO 4.

4.

CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M143 and BOSE speaker amp. connector B130.

2. Check continuity between AV control unit connector M143 and BOSE speaker amp. connector B130.

3. Check continuity between AV control unit connector M143 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 M143 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 M143.

Is the inspection result normal?

YES

>> Replace BOSE speaker amp. Refer to 

AV-372, "Removal and Installation"

.

48

53

Audio signal output

43

44

SKIB3609E

AV control unit

BOSE speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M143

112

B130

64

Yes

118

63

108

66

114

65

AV control unit

Ground

Continuity

Connector

Terminal

M143

112

—

No

118

108

114

AV control unit connector M143

Condition

Reference value

(+)

(

−)

Terminal

Terminal

112

118

Audio signal output

108

114

SKIB3609E

AV-328

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

REAR SPEAKER

NO

>> Replace AV control unit. Refer to 

AV-365, "Removal and Installation"

.

AV

SUBWOOFER

AV-329

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

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SUBWOOFER

Diagnosis Procedure

INFOID:0000000009174598

Regarding Wiring Diagram information, refer to 

AV-242, "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-308, "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-372, "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-330

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

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-379, "Removal and Installation"

.

NO

>> GO TO 7.

7.

CHECK PRE-AMP SIGNAL CIRCUIT CONTINUITY

1. Disconnect AV control unit connector M143 and BOSE speaker amp. connector B130.

2. Check continuity between AV control unit connector M143 and BOSE speaker amp. connector B130.

3. Check continuity between AV control unit connector M143 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

M143

112

B130

64

Yes

118

63

108

66

114

65