Nissan Leaf. Manual - part 119

AV

AMP ON SIGNAL CIRCUIT

AV-467

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

C

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AMP ON SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000010122693

Regarding Wiring Diagram information, refer to 

AV-394, "Wiring Diagram"

.

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND BOSE SPEAKER AMP.

1. Turn power switch OFF.

2. Disconnect AV control unit connector M100 and Bose speaker amp. connector B20.

3. Check continuity between audio unit connector M100 and Bose speaker amp. connector B20.

4. Check continuity between AV control unit connector M100 and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK AV CONTROL UNIT VOLTAGE

1. Connect AV control unit connector M100.

2. Turn power switch ON.

3. Check voltage between AV control unit connector M100 and ground.

Is the inspection result normal?

YES

>> Replace Bose speaker amp. Refer to 

AV-501, "Removal and Installation"

.

NO

>> Replace AV control unit. Refer to 

AV-488, "Removal and Installation"

.

AV control unit

Bose speaker amp.

Continuity

Connector

Terminal

Connector

Terminal

M100

1

B20

22

Yes

AV control unit

Ground

Continuity

Connector

Terminal

M100

1

—

No

AV control unit

Ground

Voltage

(Approx.)

(+)

(–)

Connector

Terminal

M100

1

—

Battery voltage

AV-468

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

AUXILIARY INPUT JACK

AUXILIARY INPUT JACK

Diagnosis Procedure

INFOID:0000000010122694

Regarding Wiring Diagram information, refer to 

AV-394, "Wiring Diagram"

.

1.

CHECK AUXILIARY INPUT JACK HARNESS CONTINUITY

1. Turn power switch OFF.

2. Disconnect audio unit connector M103 and auxiliary input jack connector M52.

3. Check continuity between audio unit connector M103 and auxiliary input jack connector M52.

4. Check continuity between audio unit connector M103 and ground.

Is the inspection result normal?

YES

>> Replace auxiliary input jack. Refer to 

AV-498, "Removal and Installation"

.

NO

>> Repair or replace harness or connectors.

Audio unit

Auxiliary input jack

Continuity

Connector

Terminal

Connector

Terminal

M103

35

M52

4

Yes

36

1

55

2

Audio unit

—

Continuity

Connector

Terminal

M103

35

Ground

No

55

AV

MICROPHONE SIGNAL CIRCUIT

AV-469

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

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MICROPHONE SIGNAL CIRCUIT

Diagnosis Procedure

INFOID:0000000010122695

Regarding Wiring Diagram information, refer to 

AV-394, "Wiring Diagram"

.

1.

CHECK MICROPHONE SIGNAL CIRCUIT CONTINUITY

1. Turn power switch OFF.

2. Disconnect AV control unit connector M103 and microphone connector R3.

3. Check continuity between AV control unit connector M103 and microphone connector R3.

4. Check continuity between AV control unit connector M103 and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair or replace harness or connectors.

2.

CHECK MICROPHONE VCC VOLTAGE

1. Connect AV control unit connector M103.

2. Turn power switch ON.

3. Check voltage between terminals of AV control unit connector M103.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-488, "Removal and Installation"

.

3.

CHECK MICROPHONE SIGNAL 

1. Connect microphone connector.

2. Check signal between terminals of AV control unit connector M103.

AV control unit

Microphone

Continuity

Connector

Terminal

Connector

Terminal

M103

34

R3

4

Yes

53

1

54

2

AV control unit

Ground

Continuity

Connector

Terminal

M103

34

—

No

53

AV control unit connector M103

Voltage

(Approx.)

(+)

(

−)

Terminal

Terminal

34

54

5.0 V

AV-470

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION WITH BOSE]

MICROPHONE SIGNAL CIRCUIT

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-488, "Removal and Installation"

.

NO

>> Replace microphone. Refer to 

AV-494, "Removal and Installation"

.

AV control unit connector M103

Condition

Reference value

(+)

(

−)

Terminal

Terminal

53

54

Speak into microphone.

PKIB5037J