Nissan Pathfinder. Manual - part 181

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-551

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

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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 BOSE speaker amp. connector B129 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

SUBWOOFER
SUBWOOFER : Diagnosis Procedure

INFOID:0000000009174765

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

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. Disconnect subwoofer connector.

2. Check voltage between subwoofer connector B73 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 subwoofer connector B73 and ground.

BOSE speaker amp.

Ground

Voltage

(Approx.)

Connector

Terminal

B129

50

—

Battery voltage

51

BOSE speaker amp.

Ground

Continuity 

Connector

Terminal

B129

47

—

Yes

52

Terminal No.

Signal name

Fuse No.

6

Battery power supply

58 (10A)

Subwoofer

Ground

Voltage

(Approx.)

Connector

Terminal

B73

6

—

Battery voltage

AV-552

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

A/C AND AV SWITCH ASSEMBLY
A/C AND AV SWITCH ASSEMBLY : Diagnosis Procedure

INFOID:0000000009174766

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

1.

CHECK FUSE

Check that the following fuse is not blown.

Is the fuse 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 A/C and AV switch assembly connector.

3. Check voltage between A/C and AV switch assembly connector M98 terminal 3 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Repair or replace harness or connectors.

3.

CHECK CONTROL UNIT GROUND CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect AV control unit connector M164.

3. Check continuity between A/C and AV switch assembly connector M98 terminal 9 and AV control unit con-

nector M164 terminal 98.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Repair or replace harness or connectors.

4.

CHECK SWITCH GROUND CIRCUIT

Check continuity between A/C and AV switch assembly connector M98 terminal 1 and ground.

Subwoofer

Ground

Continuity 

Connector

Terminal

B73

5

—

Yes

Terminal No.

Signal name

Fuse No.

3

ACC power supply

65 (10A)

A/C and AV switch assembly

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M98

3

—

Ignition switch: ACC

Battery voltage

A/C and AV switch assembly

AV control unit

Continuity 

Connector

Terminal

Connector

Terminal

M98

9

M164

98

Yes

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-553

< 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

>> Inspection End.

NO

>> Repair or replace harness or connectors.

VIDEO DISTRIBUTOR
VIDEO DISTRIBUTOR : Diagnosis Procedure

INFOID:0000000009174767

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

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 video distributor connector B24.

3. Check voltage between video distributor connector B24 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 video distributor connector B24 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

HEADREST DISPLAY UNIT

A/C and AV switch assembly

Ground

Continuity 

Connector

Terminal

M98

1

—

Yes

Terminal No.

Signal name

Fuse No.

2

ACC power supply

65 (10A)

4

Battery power supply

15 (15A)

Video distributor

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

B24

2

—

Ignition switch: ACC

Battery voltage

4

Ignition switch: OFF

Video distributor

Ground

Continuity 

Connector

Terminal

B24

1

—

Yes

3

AV-554

< DTC/CIRCUIT DIAGNOSIS >

[PREMIUM AUDIO WITH NAVIGATION]

POWER SUPPLY AND GROUND CIRCUIT

HEADREST DISPLAY UNIT : Diagnosis Procedure

INFOID:0000000009174768

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

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. Disconnect headrest display unit connector.

2. Check voltage between headrest display unit connector 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 headrest display unit connector and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

AROUND VIEW MONITOR CONTROL UNIT
AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000009174769

Regarding Wiring Diagram information, refer to 

AV-442, "Wiring Diagram"

.

Terminal No.

Signal name

Fuse No.

15

Battery power supply

15 (15A)

16

Headrest displayl unit

Ground

Voltage

(Approx.)

Connector

Terminal

B223 (driver seat)

15

—

Battery voltage

16

B317 (passenger seat)

15

16

Headrest displayl unit

Ground

Continuity 

Connector

Terminal

B223 (driver seat)

12

—

Yes

31

32

B317 (passenger seat)

28

31

32