Nissan Pathfinder. Instruction - part 182

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-555

< DTC/CIRCUIT DIAGNOSIS >

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C

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1.

CHECK FUSE

Check that the following fuses are not blown.

Are the fuses blown?

YES

>> Replace the blown fuse after repairing the affected circuit.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect around view monitor control unit connector M96.

3. Check voltage between around view monitor control unit connector M96 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Check continuity between around view monitor control unit connector M96 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Terminal No.

Signal name

Fuse No.

4

Ignition signal

29 (5A)

2

Battery power supply

15 (15A)

Around view monitor control unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M96

3

—

Ignition switch: ON

Battery voltage

2

Ignition switch: OFF

Around view monitor control unit

Ground

Continuity 

Connector

Terminal

M96

1

—

Yes

AV-556

< DTC/CIRCUIT DIAGNOSIS >

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CENTER SPEAKER

CENTER SPEAKER

Diagnosis Procedure

INFOID:0000000009174770

Regarding Wiring Diagram information, refer to 

AV-442, "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 CENTER SPEAKER SIGNAL CIRCUIT CONTINUITY

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

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

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 CENTER SPEAKER SIGNAL

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

Is the inspection result normal?

BOSE speaker amp.

Center speaker

Continuity

Connector

Terminal

Connector

Terminal

B130

69

M110

1

Yes

70

2

BOSE speaker amp.

Ground

Continuity

Connector

Terminal

B130

69

—

No

70

BOSE speaker amp. connector B130

Condition

Reference value

(+)

(

−)

Terminal

Terminal

69

70

Audio signal output

SKIB3609E

AV

CENTER SPEAKER

AV-557

< DTC/CIRCUIT DIAGNOSIS >

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YES

>> Replace center speaker. Refer to 

AV-622, "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"

.

NO

>> Replace AV control unit. Refer to 

AV-611, "Removal and Installation"

.

AV control unit

BOSE speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M161

2

B130

75

Yes

3

76

11

73

12

74

AV control unit

Ground

Continuity

Connector

Terminal

M161

2

—

No

3

11

12

AV control unit connector M161

Condition

Reference value

(+)

(

−)

Terminal

Terminal

2

3

Audio signal output

11

12

SKIB3609E

AV-558

< DTC/CIRCUIT DIAGNOSIS >

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INSTRUMENT PANEL SPEAKER/TWEETER

INSTRUMENT PANEL SPEAKER/TWEETER

Diagnosis Procedure

INFOID:0000000009174771

Regarding Wiring Diagram information, refer to 

AV-442, "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 INSTRUMENT PANEL TWEETER SIGNAL CIRCUIT CONTINUITY

1. Disconnect BOSE speaker amp. connector B129 and suspect instrument panel tweeter connector.

2. Check continuity between BOSE speaker amp. connector B129 and suspect instrument panel tweeter

connector.

3. Check continuity between BOSE speaker amp. connector B129 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK INSTRUMENT PANEL TWEETER SIGNAL

1. Connect BOSE speaker amp. connector B129 and suspect instrument panel tweeter 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 B129.

BOSE speaker amp.

Instrument panel tweeter

Continuity

Connector

Terminal

Connector

Terminal

B129

41

M62 (LH)

1

Yes

42

2

45

M73 (RH)

1

46

2

BOSE speaker amp.

Ground

Continuity

Connector

Terminal

B129

41

—

No

42

45

46

BOSE speaker amp. connector B129

Condition

Reference value

(+)

(

−)

Terminal

Terminal