Infiniti FX35, FX50 (S51). Manual - part 130

AV

POWER SUPPLY AND GROUND CIRCUIT

AV-293

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (SINGLE MONITOR)]

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AROUND VIEW MONITOR CONTROL UNIT : Diagnosis Procedure

INFOID:0000000005475816

1.

CHECK FUSE

Check for blown fuses.

Is inspection result normal?

YES

>> GO TO 2.

NO

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

2.

CHECK POWER SUPPLY CIRCUITS

Check voltage between around view monitor control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Check harness between around view monitor control unit and fuse.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect around view monitor control unit connector.

3.

Check continuity between around view monitor control unit harness connector and ground.

Is inspection result normal?

YES

>> INSPECTION END

NO

>> Repair harness or connector.

SONAR CONTROL UNIT (WITH AROUND VIEW MONITOR)

SONAR CONTROL UNIT (WITH AROUND VIEW MONITOR) : Diagnosis Procedure

INFOID:0000000005475817

1.

CHECK FUSE

Check for blown fuses.

Is the inspection result normal?

YES

>> GO TO 2.

NO

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

2.

CHECK POWER SUPPLY CIRCUIT

1.

Turn ignition switch ON.

2.

Check voltage between sonar control unit harness connector and ground.

Is the inspection result normal?

Power source

Fuse No.

Battery

34

Ignition switch ACC

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

Battery power supply

B46

2

OFF

Battery voltage

ACC power supply

B46

4

ACC

Battery voltage

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

B46

1

OFF

Existed

Power source

Fuse No.

Ignition switch ACC or ON

19

Signal name

Connector No.

Terminal No.

Ignition switch position

Value (Approx.)

Battery power supply

M47

13

ACC

Battery voltage

AV-294

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (SINGLE MONITOR)]

POWER SUPPLY AND GROUND CIRCUIT

YES

>> GO TO 3.

NO

>> Repair or replace sonar control unit power supply harness.

3.

CHECK GROUND CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect sonar control unit connector.

3.

Check continuity between sonar control unit harness connector and ground.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Repair or replace sonar control unit ground harness.

Signal name

Connector No.

Terminal No.

Ignition switch position

Continuity 

Ground

M47

24

OFF

Existed

AV

RGB DIGITAL IMAGE SIGNAL CIRCUIT

AV-295

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (SINGLE MONITOR)]

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RGB DIGITAL IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000005475900

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

Diagnosis Procedure

INFOID:0000000005475901

1.

CHECK CONTINUITY RGB DIGITAL IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect 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 DIGITAL IMAGE SIGNAL

1.

Connect AV control unit connector.

2.

Turn ignition switch ON.

3.

Check signal between front display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace front display unit. Refer to 

AV-335, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-333, "Exploded View"

.

Front display unit

AV control unit

Continuity

Connector

Terminals

Connector

Terminals

M397

27

M396

157

Existed

28

158

Front display unit

Ground

Continuity

Connector

Terminals

M397

27

Not existed

28

(+)

(

−

)

Condition

Voltage

(Approx.)

Front display unit

Connector

Terminal

M397

27

Ground

—

3.0 V

28

AV-296

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (SINGLE MONITOR)]

COMPOSITE IMAGE SIGNAL CIRCUIT

COMPOSITE IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000005475902

• DVD is played by inserting DVD into the AV control unit.
• DVD image signals are transmitted to the front display unit.
• AV control unit receives the image signal from the auxiliary input jacks and USB (video data) and then trans-

mits it to the front display unit.

Diagnosis Procedure

INFOID:0000000005475903

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and front display unit connector.

3.

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

4.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AUX COMPOSITE SIGNAL

1.

Connect AV control unit connector and front display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between auxiliary input jacks harness connector and ground.

Is the inspection result normal?

YES

>> Replace front display unit. Refer to 

AV-335, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-333, "Exploded View"

.

AV control unit

Front display unit

Continuity

Connector

Terminal

Connector

Terminal

M210

68

M195

18

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M210

68

Not existed

(+)

(

−

)

Condition

Reference value

AV control unit

Connector

Terminal

M210

68

Ground

At DVD image is displayed.

SKIB2251J