Infiniti FX35, FX50 (S51). Manual - part 188

 

  Index      Infiniti     Infiniti FX35, FX50 (S51) - service repair manual 2010 year

 

Search            

 

 

 

 

 

 

 

 

 

Content   ..  186  187  188  189   ..

 

 

Infiniti FX35, FX50 (S51). Manual - part 188

 

 

AV

AUX IMAGE SIGNAL CIRCUIT

AV-525

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

AUX IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000005474875

• Transmits the image signal of AUX device from auxiliary input jacks to AV control unit.
• AV control unit transmits the image signal that is input to the display unit.

Diagnosis Procedure

INFOID:0000000005474876

1.

CHECK CONTINUITY AUX IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect auxiliary input jacks connector and AV control unit connector.

3.

Check continuity between auxiliary input jacks harness connector and AV control unit harness connector.

4.

Check continuity between auxiliary input jacks harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AUX IMAGE SIGNAL

1.

Connect auxiliary input jacks connector and AV control 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 AV control unit. Refer to 

AV-562, "Exploded View"

.

NO

>> Check that there is no malfunction in the external device.

Auxiliary input jacks

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M196

7

M209

26

Existed

Auxiliary input jacks

Ground

Continuity

Connector

Terminal

M196

7

Not existed

(+)

(

)

Condition

Reference value

Auxiliary input jacks

Connector

Terminal

M196

7

Ground

At AUX image is displayed.

SKIB2251J

AV-526

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

DISK EJECT SIGNAL CIRCUIT

DISK EJECT SIGNAL CIRCUIT

Description

INFOID:0000000005474877

The eject signal is output to AV control unit when the eject switch of multifunction switch is pressed.

Diagnosis Procedure

INFOID:0000000005474878

1.

CHECK CONTINUITY DISK EJECT SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect multifunction switch connector and AV control unit connector.

3.

Check continuity between multifunction switch harness connector and AV control unit harness connector.

4.

Check continuity between multifunction switch harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK AV CONTROL UNIT VOLTAGE 

1.

Connect multifunction switch connector and AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace preset switch. Refer to 

AV-576, "Exploded View"

.

NO

>> Replace AV control unit. Refer to 

AV-562, "Exploded View"

.

Multifunction switch

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M72

14

M209

29

Existed

Multifunction switch

Ground

Continuity

Connector

Terminal

M72

14

Not existed

(+)

(

)

Condition

Voltage

(Approx.)

AV control unit

Connector

Terminal

M209

29

Ground

Pressing the eject switch

0 V

Except for above

5.0 V

AV

MODE CHANGE SIGNAL CIRCUIT

AV-527

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

C

D

E

F

G

H

I

J

K

L

M

B

A

O

P

MODE CHANGE SIGNAL CIRCUIT

Description

INFOID:0000000005474879

• AV control unit transmits the mode change signal to BOSE amp. 
• Driver's Audio Stage controls the speaker's output characteristic by BOSE amp. so that the driver's seat is to

be the center of sounds.

Diagnosis Procedure

INFOID:0000000005474880

1.

CHECK CONTINUITY MODE CHANGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect BOSE amp. connector and AV control unit connector.

3.

Check continuity between BOSE amp. harness connector and AV control unit harness connector.

4.

Check continuity between BOSE amp. harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK MODE CHANGE SIGNAL

1.

Connect BOSE amp. connector.

2.

Turn ignition switch ON.

3.

Check signal between BOSE amp. harness connector and ground.

Is the inspection result normal?

YES

>> Replace AV control unit. Refer to 

AV-562, "Exploded View"

.

NO

>> Replace BOSE amp. Refer to 

AV-573, "Exploded View"

.

BOSE amp.

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

B41

17

M209

30

Existed

BOSE amp.

Ground

Continuity

Connector

Terminal

B41

17

Not existed

(+)

(

)

Condition

Voltage

(Approx.)

BOSE amp.

Connector

Terminal

B41

17

Ground

Driver's Audio Stage ON

0 V

Driver's Audio Stage OFF

8.5 V

AV-528

< DTC/CIRCUIT DIAGNOSIS >

[NAVIGATION (TWIN MONITOR)]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000005474881

Supply power from AV control unit to microphone. The microphone transmits the sound/voice to the AV control
unit.

Diagnosis Procedure

INFOID:0000000005474882

1.

CHECK CONTINUITY BETWEEN AV CONTROL UNIT AND MICROPHONE CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and microphone connector.

3.

Check continuity between AV control unit harness connector and microphone 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 VOLTAGE MICROPHONE VCC 

1.

Connect AV control unit connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-573, "Exploded View"

.

3.

CHECK MICROPHONE SIGNAL 

1.

Connect microphone connector.

2.

Check signal between AV control unit harness connector.

AV control unit

Microphone

Continuity

Connector

Terminals

Connector

Terminals

M210

71

R17

2

Existed

72

4

87

1

AV control unit

Ground

Continuity

Connector

Terminals

M210

72

Not existed

87

(+)

(

)

Voltage

(Approx.)

AV control unit

Ground

Connector

Terminal

M210

72

5.0 V

 

 

 

 

 

 

 

Content   ..  186  187  188  189   ..