Nissan Frontier. Manual - part 5

 

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Nissan Frontier. Manual - part 5

 

 

AV-12

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (EXCEPT MEXICO)]

POWER SUPPLY AND GROUND CIRCUIT

DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT
AUDIO UNIT : Diagnosis Procedure

INFOID:0000000009482076

Regarding Wiring Diagram information, refer to 

AV-30, "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 audio unit connector M43.

3. Check voltage between audio unit connector M43 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

BLUETOOTH® CONTROL UNIT
BLUETOOTH® CONTROL UNIT : Diagnosis Procedure

INFOID:0000000010228043

Regarding Wiring Diagram information, refer to 

AV-30, "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

Terminal No.

Signal name

Fuse No.

7

ACC power supply

4 (10A)

19

Battery power supply

29 (20A)

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M43

7

—

Ignition switch: ON

Battery voltage

19

Ignition switch: OFF

Terminal No.

Signal name

Fuse No.

1

Battery power supply

29 (20A)

2

ACC power supply

4 (10A)

3

Ignition power supply

12 (10A)

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-13

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (EXCEPT MEXICO)]

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1. Turn ignition switch OFF.
2. Disconnect Bluetooth

®

 control unit connector B141.

3. Check voltage between Bluetooth

®

 control unit connector B141 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 B141 and ground.

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

MICROPHONE
MICROPHONE : Diagnosis Procedure

INFOID:0000000010228044

Regarding Wiring Diagram information, refer to 

AV-30, "Wiring Diagram"

.

1.

CHECK POWER SUPPLY CIRCUIT

1. Turn ignition switch ON.

2. Check voltage between microphone connector R8 and ground.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> GO TO 2.

2.

CHECK POWER SUPPLY CIRCUIT CONTINUITY

1. Turn ignition switch OFF.
2. Disconnect microphone connector and Bluetooth

®

 control unit connector B141.

3. Check continuity between microphone connector R8 and Bluetooth

®

 control unit connector B141. 

Bluetooth

®

 control unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

B141

1

—

Ignition switch: OFF

Battery voltage

2

Ignition switch: ON

3

Bluetooth

®

 control unit

Ground

Continuity

Connector

Terminal

B141

                         4

—

Yes

22

23

Microphone

Ground

Value (Approx.)

Connector

Terminal

R8

4

—

5V

AV-14

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (EXCEPT MEXICO)]

POWER SUPPLY AND GROUND CIRCUIT

4. Check continuity between microphone connector R8 and ground. 

Is the inspection result normal?

YES

>> Replace the Bluetooth

®

 control unit. Refer to 

AV-54, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

3.

CHECK GROUND CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect microphone connector and Bluetooth

®

 control unit connector B141.

3. Check continuity between microphone connector R8 and Bluetooth

®

 control unit connector B141. 

Is the inspection result normal?

YES

>> Inspection End.

NO

>> Repair or replace harness or connectors.

Microphone

Bluetooth

®

 control unit

Continuity

Connector

Terminal

Connector

Terminal

R8

4

B141

29

Yes

Microphone

—

Continuity

Connector

Terminal

R8

4

Ground

No

Microphone

Bluetooth

®

 control unit

Continuity

Connector

Terminal

Connector

Terminal

R8

2

B141

8

Yes

AV

FRONT DOOR SPEAKER

AV-15

< DTC/CIRCUIT DIAGNOSIS >

[BASE AUDIO (EXCEPT MEXICO)]

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FRONT DOOR SPEAKER

Description

INFOID:0000000009482077

The audio unit sends audio signals to the front door speakers using the front door speaker circuits.

Diagnosis Procedure

INFOID:0000000009482078

Regarding Wiring Diagram information, refer to 

AV-30, "Wiring Diagram"

.

1.

CONNECTOR CHECK

Check the audio 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 audio unit connector M43 and suspect front door speaker connector.

2. Check continuity between audio unit connector M43 and suspect front door speaker connector.

3. Check continuity between audio unit connector M43 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 audio unit connector M43 and suspect front door speaker connector.

2. Turn ignition switch to ACC.

3. Push audio unit POWER switch.

4. Check signal between the terminals of audio unit connector M43.

Audio unit

Front door speaker

Continuity

Connector

Terminal

Connector

Terminal

M43

2

D12 (LH)

1

Yes

3

2

11

D112 (RH)

1

12

2

Audio unit

Ground

Continuity

Connector

Terminal

M43

2

—

No

3

11

12

Audio unit connector M43

Condition

Reference value

(+)

(

−)

Terminal

Terminal

 

 

 

 

 

 

 

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