Nissan Pathfinder. Manual — part 123

AV

FRONT TWEETER

AV-319

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

NO

>> Replace AV control unit. Refer to

AV-365, "Removal and Installation"

.

AV-320

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

FRONT DOOR SPEAKER

FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009174595

Regarding Wiring Diagram information, refer to

AV-242, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the BOSE speaker amp. and speaker connectors for the following:

• Proper connection

• Damage

• Disconnected or loose terminals
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair the terminals or connectors.

2.

CHECK FRONT DOOR SPEAKER SIGNAL CIRCUIT CONTINUITY

1. Disconnect BOSE speaker amp. connector B130 and suspect front door speaker connector.

2. Check continuity between BOSE speaker amp. connector B130 and suspect front door speaker connec-

tor.

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

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK FRONT DOOR SPEAKER SIGNAL

1. Connect BOSE speaker amp. connector B130 and suspect front door speaker 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.

BOSE speaker amp.

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

B130

58

D12 (LH)

1

Yes

59

2

71

D112 (RH)

1

72

2

BOSE speaker amp.

Ground

Continuity

Connector

Terminal

B130

58

—

No

59

71

72

BOSE speaker amp. connector B130

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV

FRONT DOOR SPEAKER

AV-321

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

Is the inspection result normal?

YES

>> Replace front door speaker. Refer to

AV-373, "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"

.

58

59

Audio signal output

71

72

SKIB3609E

AV control unit

BOSE speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M143

113

B130

75

Yes

119

76

109

73

115

74

AV control unit

Ground

Continuity

Connector

Terminal

M143

113

—

No

119

109

115

AV control unit connector M143

Condition

Reference value

(+)

(

−)

Terminal

Terminal

113

119

Audio signal output

109

115

SKIB3609E

AV-322

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITH BOSE]

FRONT DOOR SPEAKER

NO

>> Replace AV control unit. Refer to

AV-365, "Removal and Installation"

.