Nissan Pathfinder. Manual - part 80

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-147

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

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Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure

INFOID:0000000009174472

Regarding Wiring Diagram information, refer to 

AV-88, "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 Bluetooth

®

 control unit connector B3.

3. Check voltage between Bluetooth

®

 control unit connector B3 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 Bluetooth

®

 control unit connector B3 and ground.

Satellite radio tuner

Ground

Continuity 

Connector

Terminal

B2

35

—

Yes

Terminal No.

Signal name

Fuse No.

1

Battery power supply

15 (15A)

2

ACC power supply

65 (10A)

3

Ignition signal

30 (10A)

Bluetooth

®

 control unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

B3

1

—

Ignition switch: OFF

Battery voltage

2

Ignition switch: ACC

3

Ignition switch: ON

Bluetooth

®

 control unit

Ground

Continuity 

Connector

Terminal

B3

4

—

Yes

20

22

24

27

AV-148

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

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:0000000009174473

Regarding Wiring Diagram information, refer to 

AV-88, "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 M124.

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

nector M124 terminal 10.

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.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

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

M124

10

Yes

A/C and AV switch assembly

Ground

Continuity 

Connector

Terminal

M98

1

—

Yes

AV

FRONT DOOR SPEAKER

AV-149

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

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FRONT DOOR SPEAKER

Diagnosis Procedure

INFOID:0000000009174474

Regarding Wiring Diagram information, refer to 

AV-88, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the AV control unit 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 AV control unit connector M125 and suspect front door speaker connector.

2. Check continuity between AV control unit connector M125 and suspect front door speaker connector.

3. Check continuity between AV control unit connector M125 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 AV control unit connector M125 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 AV control unit connector M125.

AV control unit

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

M125

34

D12 (LH)

1

Yes

35

2

43

D112 (RH)

1

44

2

AV control unit

Ground

Continuity

Connector

Terminal

M125

34

—

No

35

43

44

AV control unit connector M125

Condition

Reference value

(+)

(

−)

Terminal

Terminal

AV-150

< DTC/CIRCUIT DIAGNOSIS >

[MID AUDIO WITHOUT BOSE]

FRONT DOOR SPEAKER

Is the inspection result normal?

YES

>> Replace front door speaker. Refer to 

AV-192, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-187, "Removal and Installation"

.

34

35

Audio signal output

43

44

SKIB3609E