Nissan Murano Z51. Instruction — part 214

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-635

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iPod ADAPTER : Diagnosis Procedure

INFOID:0000000005528763

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.

Power source

Fuse No.

Battery

35

Ignition switch ACC or ON

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

Battery power supply

M148

5

OFF

Battery voltage

ACC power supply

3

ACC

AV-636

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RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY

UNIT)

RGB (R: RED) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY
UNIT)

Description

INFOID:0000000005528764

Transmit the image displayed with AV control unit with RGB signal to the front display unit.

Diagnosis Procedure

INFOID:0000000005528765

1.

CHECK CONTINUITY RGB (R: RED) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (R: RED) SIGNAL

1.

Connect front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace front display unit.

NO

>> Replace AV control unit.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M49

17

M146

61

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M49

17

Not existed

(+)

(

−

)

Condition

Signal

Front display unit

Connector

Terminal

M49

17

Ground

Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.

JSNIA1029ZZ

AV

RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY

UNIT)

AV-637

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RGB (G: GREEN) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)

Description

INFOID:0000000005528766

Transmit the image displayed with AV control unit with RGB signal to the front display unit.

Diagnosis Procedure

INFOID:0000000005528767

1.

CHECK CONTINUITY RGB (G: GREEN) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (G: GREEN) SIGNAL

1.

Connect front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace front display unit.

NO

>> Replace AV control unit.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M49

6

M146

62

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M49

6

Not existed

(+)

(

−

)

Condition

Signal

Front display unit

Connector

Terminal

M49

6

Ground

Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.

JSNIA1030ZZ

AV-638

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RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DISPLAY

UNIT)

RGB (B: BLUE) SIGNAL CIRCUIT (AV CONTROL UNIT TO FRONT DIS-
PLAY UNIT)

Description

INFOID:0000000005528768

Transmit the image displayed with AV control unit with RGB signal to the front display unit.

Diagnosis Procedure

INFOID:0000000005528769

1.

CHECK CONTINUITY RGB (B: BLUE) SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect front display unit connector and AV control unit connector.

3.

Check continuity between front display unit harness connector and AV control unit harness connector.

4.

Check continuity between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK RGB (B: BLUE) SIGNAL

1.

Connect front display unit connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground using an oscilloscope.

Is the inspection result normal?

YES

>> Replace front display unit.

NO

>> Replace AV control unit.

Front display unit

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M49

18

M146

63

Existed

Front display unit

Ground

Continuity

Connector

Terminal

M49

18

Not existed

(+)

(

−

)

Condition

Signal

Front display unit

Connector

Terminal

M49

18

Ground

Start confirmation/adjustment
mode, and then display color bar
by selecting “Color Spectrum Bar”
on DISPLAY DIAGNOSIS screen.

JSNIA1031ZZ