Nissan Cube. Manual - part 29

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-109

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITH NAVIGATION]

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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.

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-110

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITH NAVIGATION]

WOOFER AMP. ON SIGNAL CIRCUIT

WOOFER AMP. ON SIGNAL CIRCUIT

Description

INFOID:0000000009949616

When the audio system is turned on, a voltage signal is supplied from the NAVI control unit to the woofer.
When this signal is received, the woofer will turn on.

Diagnosis Procedure

INFOID:0000000009949617

1.

CHECK CONTINUITY WOOFER AMP. ON SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect NAVI control unit connector and woofer connector.

3.

Check continuity between NAVI control unit harness connector and woofer harness connector.

4.

Check continuity between woofer harness connector and ground.

Is inspection result OK?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE AMP. ON SIGNAL

1.

Connect NAVI control unit connector

2.

Turn ignition switch ON.

3.

Check voltage between NAVI control unit harness connector and ground.

Is inspection result OK?

YES

>> Replace woofer. Refer to 

AV-136, "Exploded View"

.

NO

>> Replace NAVI control unit. Refer to 

AV-132, "Removal and Installation"

.

NAVI control unit

Woofer

Continuity

Connector

Terminal

Connector

Terminal

M97

1

D127

4

Existed

Woofer

Ground

Continuity

Connector

Terminal

D127

4

Not existed

NAVI control unit

Ground

Voltage

(Approx.)

Connector

Terminal

M97

1

12.0 V

AV

MICROPHONE SIGNAL CIRCUIT

AV-111

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITH NAVIGATION]

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MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009949618

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

Diagnosis Procedure

INFOID:0000000009949619

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-139, "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

AV-112

< DTC/CIRCUIT DIAGNOSIS >

[AUDIO WITH NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

Is inspection result OK?

YES

>> INSPECTION END

NO

>> Replace microphone. Refer to 

AV-140, "Exploded View"

.

TEL adapter unit

TEL adapter unit

Condition

Reference value

Connector

Terminal

Connector

Terminal

B54

7

B54

8

Give a voice.

SKIB3609E