Nissan Cube. Manual - part 6

 

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Nissan Cube. Manual - part 6

 

 

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-17

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DTC/CIRCUIT DIAGNOSIS

POWER SUPPLY AND GROUND CIRCUIT

AUDIO UNIT

AUDIO UNIT : Diagnosis Procedure

INFOID:0000000009949543

1.

CHECK FUSE

Check that the following fuses of the audio unit are not blown.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK AUDIO UNIT POWER SUPPLY CIRCUIT

Check voltage between the audio unit and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Check harness between audio unit and fuse.

iPod ADAPTER

iPod ADAPTER : Diagnosis Procedure

INFOID:0000000009949544

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Be sure to eliminate the cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between iPod adapter harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Check harness between iPod adapter and fuse.

TEL ADAPTER UNIT

Power source

Fuse No.

Battery

34

Ignition switch ACC or ON

20

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage

Battery power supply

M46

19

OFF

Battery voltage

ACC power supply

7

ACC

Battery voltage

Power source

Fuse No.

Battery

34

Ignition switch ACC or ON

20

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage

Battery power supply

M99

5

OFF

Battery voltage

ACC power supply

3

ACC

AV-18

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POWER SUPPLY AND GROUND CIRCUIT

TEL ADAPTER UNIT : Diagnosis Procedure

INFOID:0000000009949545

1.

CHECK FUSES

Check that the following fuses of the TEL adapter unit are not blown.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> If fuse is blown, be sure to eliminate cause of malfunction before installing new fuse.

2.

CHECK POWER SUPPLY CIRCUIT

Check voltage between TEL adapter unit harness connector and ground.

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Check harness between TEL adapter unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector.

3.

Check continuity between TEL adapter unit harness connector and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

Power source

Fuse No.

Battery

34

Ignition switch ACC or ON

20

Ignition switch ON or start

2

Signal name

Connector No.

Terminal No.

Ignition switch position

Voltage

Battery power supply

B54

1

OFF

Battery  voltage

ACC power supply

2

ACC

Battery voltage

IGN power supply

3

ON

Battery voltage

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

B54

4

OFF

Existed

AV

TELEPHONE ON SIGNAL CIRCUIT

AV-19

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TELEPHONE ON SIGNAL CIRCUIT

Description

INFOID:0000000009949546

When telephone is being used, TEL adapter unit transmits telephone ON signal to audio unit.

Diagnosis Procedure

INFOID:0000000009949547

1.

CHECK CONTINUITY TELEPHONE ON SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector and audio unit connector.

3.

Check continuity between TEL adapter unit harness connector and audio unit harness connector.

4.

Check continuity between TEL adapter unit harness connector and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK TELEPHONE ON SIGNAL 

1.

Connect audio unit connector and TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between audio unit harness connector and ground.

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace audio unit. Refer to 

AV-61, "Exploded View"

.

TEL adapter unit

Audio unit

Continuity

Connector

Terminal

Connector

Terminal

B54

11

M49

54

Existed

TEL adapter unit

Ground

Continuity

Connector

Terminal

B54

11

Not existed

Audio unit

Ground

Condition

Voltage

(Approx.)

Connector

Terminal

M49

54

While using hands-free 
phone system.

0 V

While not using hands-free 
phone system.

5.0 V

AV-20

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MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009949548

TEL adapter unit supplies power to microphone. The microphone transmits the sound voice to the TEL
adapter unit.

Diagnosis Procedure

INFOID:0000000009949549

1.

CHECK CONTINUITY BETWEEN TEL ADAPTER UNIT AND MICROPHONE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect TEL adapter unit connector and microphone connector.

3.

Check continuity between TEL adapter unit harness connector and microphone harness connector.

4.

Check continuity between TEL adapter unit harness connector and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK MICROPHONE POWER SUPPLY

1.

Connect TEL adapter unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between TEL adapter unit harness connector and ground.

Is inspection result OK?

YES

>> GO TO 3.

NO

>> Replace TEL adapter unit. Refer to 

AV-66, "Exploded View"

.

3.

CHECK MICROPHONE SIGNAL 

1.

Turn ignition switch OFF.

2.

Connect microphone connector.

3.

Turn ignition switch ON.

4.

Check signal between TEL adapter unit harness connector.

TEL adapter unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

B54

7

R21

1

Existed

8

2

29

4

TEL adapter unit

Ground

Continuity

Connector

Terminal

B54

7

Not existed

29

TEL adapter unit

Ground

Voltage

(Approx.)

Connector

Terminal

B54

29

5.0 V

 

 

 

 

 

 

 

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