Nissan GT-R (2007-2014 year). AUDIO, VISUAL & NAVIGATION SYSTEM. Service Manual - part 10

 

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Nissan GT-R (2007-2014 year). AUDIO, VISUAL & NAVIGATION SYSTEM. Service Manual - part 10

 

 

AV

RGB DIGITAL IMAGE SIGNAL CIRCUIT

AV-145

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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RGB DIGITAL IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009163407

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

Diagnosis Procedure

INFOID:0000000009163408

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 display unit harness connector and AV control unit harness connector.

4.

Check continuity between 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 display unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

Display unit

AV control unit

Continuity

Connector

Terminals

Connector

Terminals

M397

27

M396

157

Existed

28

158

Display unit

Ground

Continuity

Connector

Terminals

M397

27

Not existed

28

(+)

(

)

Condition

Voltage

(Approx.)

Display unit

Connector

Terminal

M397

27

Ground

3.3 V

28

Revision: 2012 November

2014 GT-R

AV-146

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

COMPOSITE IMAGE SIGNAL CIRCUIT

COMPOSITE IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009163409

AV control unit transmits the playback DVD image signal to the display unit.

Diagnosis Procedure

INFOID:0000000009163410

1.

CHECK CONTINUITY COMPOSITE IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and display unit connector.

3.

Check continuity between AV control unit harness connector and 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 COMPOSITE IMAGE SIGNAL

1.

Connect AV control unit connector and display unit connector.

2.

Turn ignition switch ON.

3.

Check signal between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> Replace display unit.

NO

>> Replace AV control unit.

AV control unit

Display unit

Continuity

Connector

Terminal

Connector

Terminal

M203

68

M93

18

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M203

68

Not existed

(+)

(

)

Condition

Reference value

AV control unit

Connector

Terminal

M203

68

Ground

At DVD image is displayed.

SKIB2251J

Revision: 2012 November

2014 GT-R

AV

DISK EJECT SIGNAL CIRCUIT

AV-147

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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DISK EJECT SIGNAL CIRCUIT

Description

INFOID:0000000009163411

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

Diagnosis Procedure

INFOID:0000000009163412

1.

CHECK CONTINUITY CD 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.

NO

>> Replace AV control unit.

Multifunction switch

AV control unit

Continuity

Connector

Terminal

Connector

Terminal

M72

14

M202

29

Existed

Multifunction switch

Ground

Continuity

Connector

Terminal

M72

14

Not existed

(+)

(

)

Condition

Voltage

(Approx.)

AV control unit

Connector

Terminal

M202

29

Ground

Pressing the eject switch

0 V

Except for above

5.0 V

Revision: 2012 November

2014 GT-R

AV-148

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

MICROPHONE SIGNAL CIRCUIT

MICROPHONE SIGNAL CIRCUIT

Description

INFOID:0000000009163413

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

Diagnosis Procedure

INFOID:0000000009163414

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.

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

M203

71

R5

2

Existed

72

4

87

1

AV control unit

Ground

Continuity

Connector

Terminals

M203

72

Not existed

87

(+)

(

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M203

72

M203

71

5.0 V

Revision: 2012 November

2014 GT-R

AV

MICROPHONE SIGNAL CIRCUIT

AV-149

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Is the inspection result normal?

YES

>> Replace AV control unit.

NO

>> Replace microphone.

(+)

(

)

Condition

Reference value

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M203

87

M203

71

Give a voice.

PKIB5037J

Revision: 2012 November

2014 GT-R

AV-150

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

CAMERA IMAGE SIGNAL CIRCUIT

CAMERA IMAGE SIGNAL CIRCUIT

Description

INFOID:0000000009163415

• The AV control unit supplies power to the rear view camera when receiving a reverse signal.
• The rear view camera transmits camera images to the display unit when power is supplied from the AV con-

trol unit.

Diagnosis Procedure

INFOID:0000000009163416

1.

CHECK CONTINUITY CAMERA POWER SUPPLY CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect AV control unit connector and rear view camera connector.

3.

Check continuity between AV control unit harness connector and rear view camera harness connector.

4.

Check continuity between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK VOLTAGE CAMERA POWER SUPPLY

1.

Connect AV control unit connector and rear view camera connector.

2.

Turn ignition switch ON.

3.

Shift the selector lever to “R”.

4.

Check voltage between AV control unit harness connector and ground.

Is inspection result normal?

YES

>> GO TO 3.

NO

>> Replace AV control unit. Refer to 

AV-168, "Removal and Installation"

.

3.

CHECK CONTINUITY CAMERA IMAGE SIGNAL CIRCUIT

1.

Turn ignition switch OFF.

2.

Disconnect display unit connector and rear view camera connector.

3.

Check continuity between display unit harness connector and rear view camera harness connector.

4.

Check continuity between display unit harness connector and ground.

AV control unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M202

22

B156

1

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M202

22

Not existed

(+)

(

)

Condition

Voltage

(Approx.)

AV control unit

Connector

Terminal

M202

22

Ground

Shift position is “R”.

6.0 V

Display unit

Rear view camera

Continuity

Connector

Terminal

Connector

Terminal

M93

8

B156

3

Existed

Revision: 2012 November

2014 GT-R

AV

CAMERA IMAGE SIGNAL CIRCUIT

AV-151

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Is inspection result normal?

YES

>> GO TO 4.

NO

>> Repair harness or connector.

4.

CHECK CAMERA IMAGE SIGNAL

1.

Connect display unit connector and rear view camera connector.

2.

Turn ignition switch ON.

3.

Shift the selector lever to “R”.

4.

Check signal between display unit harness connector and ground.

Is inspection result normal?

YES

>> Replace display unit. Refer to 

AV-170, "Removal and Installation"

.

NO

>> Replace rear view camera. Refer to 

AV-188, "Removal and Installation"

.

Display unit

Ground

Continuity

Connector

Terminal

M93

8

Not existed

(+)

(

)

Condition

Reference value

Display unit

Connector

Terminal

M93

8

Ground

At rear view camera im-
age is displayed.

SKIB2251J

Revision: 2012 November

2014 GT-R

AV-152

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

STEERING SWITCH SIGNAL A CIRCUIT

STEERING SWITCH SIGNAL A CIRCUIT

Description

INFOID:0000000009163417

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000009163418

1.

CHECK STEERING SWITCH SIGNAL A CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector. 

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

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 SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK AV CONTROL UNIT VOLTAGE

1.

Connect AV control unit connector and spiral cable connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to 

AV-153, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M201

6

M36

24

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M201

6

Not existed

(+)

(

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M201

6

M201

15

5.0  V

Revision: 2012 November

2014 GT-R

AV

STEERING SWITCH SIGNAL A CIRCUIT

AV-153

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Component Inspection

INFOID:0000000009163419

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JPNIA1238GB

Steering switch

Condition

Resistance 

Connector

Terminals

M303

14

17

START / STOP switch ON

1982 – 2063

 switch ON

708 – 737

SEEK DOWN switch ON

314 – 327

SEEK UP switch ON

118 – 123

SOURCE switch ON

1

 or less

15

MRK switch ON

708 – 737

 switch ON

314 – 327

VOL UP switch ON

118 – 123

VOL DOWN switch ON

1

 or less

Revision: 2012 November

2014 GT-R

AV-154

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

STEERING SWITCH SIGNAL B CIRCUIT

STEERING SWITCH SIGNAL B CIRCUIT

Description

INFOID:0000000009163420

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000009163421

1.

CHECK STEERING SWITCH SIGNAL B CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector. 

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

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 SPIRAL CABLE

Check spiral cable. 
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK AV CONTROL UNIT VOLTAGE

1.

Connect AV control unit connector and spiral cable connector.

2.

Turn ignition switch ON.

3.

Check voltage between AV control unit harness connector.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to 

AV-155, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M201

16

M36

31

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M201

16

Not existed

(+)

(

)

Voltage

(Approx.)

AV control unit

AV control unit

Connector

Terminal

Connector

Terminal

M201

16

M201

15

5.0 V

Revision: 2012 November

2014 GT-R

AV

STEERING SWITCH SIGNAL B CIRCUIT

AV-155

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Component Inspection

INFOID:0000000009163422

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JPNIA1238GB

Steering switch

Condition

Resistance 

Connector

Terminals

M303

14

17

START / STOP switch ON

1982 – 2063

 switch ON

708 – 737

SEEK DOWN switch ON

314 – 327

SEEK UP switch ON

118 – 123

SOURCE switch ON

1

 or less

15

MRK switch ON

708 – 737

 switch ON

314 – 327

VOL UP switch ON

118 – 123

VOL DOWN switch ON

1

 or less

Revision: 2012 November

2014 GT-R

AV-156

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

STEERING SWITCH GROUND CIRCUIT

STEERING SWITCH GROUND CIRCUIT

Description

INFOID:0000000009163423

Transmits the steering switch signal to AV control unit.

Diagnosis Procedure

INFOID:0000000009163424

1.

CHECK STEERING SWITCH SIGNAL GND CIRCUIT

1.

Disconnect AV control unit connector and spiral cable connector. 

2.

Check continuity between AV control unit harness connector and spiral cable harness connector.

3.

Connect AV control unit connector.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Repair harness or connector.

2.

CHECK SPIRAL CABLE

Check spiral cable. 
Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Replace spiral cable.

3.

CHECK GROUND CIRCUIT

1.

Connect AV control unit connector.

2.

Check continuity between AV control unit harness connector and ground.

Is the inspection result normal?

YES

>> GO TO 4.

NO

>> Replace AV control unit.

4.

CHECK STEERING SWITCH

1.

Turn ignition switch OFF.

2.

Check steering switch. Refer to 

AV-157, "Component Inspection"

.

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Replace steering switch.

AV control unit

Spiral cable

Continuity

Connector

Terminal

Connector

Terminal

M201

15

M36

33

Existed

AV control unit

Ground

Continuity

Connector

Terminal

M201

15

Existed

Revision: 2012 November

2014 GT-R

AV

STEERING SWITCH GROUND CIRCUIT

AV-157

< DTC/CIRCUIT DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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Component Inspection

INFOID:0000000009163425

Measure the resistance between the steering switch connector ter-
minals 14 to 17 and 15 to 17.

Standard

JPNIA1238GB

Steering switch

Condition

Resistance 

Connector

Terminals

M303

14

17

START / STOP switch ON

1982 – 2063

 switch ON

708 – 737

SEEK DOWN switch ON

314 – 327

SEEK UP switch ON

118 – 123

SOURCE switch ON

1

 or less

15

MRK switch ON

708 – 737

 switch ON

314 – 327

VOL UP switch ON

118 – 123

VOL DOWN switch ON

1

 or less

Revision: 2012 November

2014 GT-R

AV-158

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

MULTI AV SYSTEM SYMPTOMS

SYMPTOM DIAGNOSIS

MULTI AV SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000009163426

RELATED TO HANDS-FREE PHONE

• Before performing diagnosis, confirm that the cellular phone being used by the customer is compatible with

the vehicle.

• It is possible that a malfunction is occurring due to a version change of the phone even though the phone is

a compatible type. This can be confirmed by changing the cellular phone to another compatible type, and
checking that it operates normally. It is important to determine whether the cause of the malfunction is the
vehicle or the cellular phone.

Check Compatibility

1.

Make sure the customer's Bluetooth

®

 related concern is understood.

2.

Verify the customer's concern.
NOTE:
The customer's phone may be required, depending upon their concern.

3.

Write down the customer's phone brand, model, and service provider.
NOTE:
It is necessary to know the service provider. On occasion, a given phone may be on the approved list with
one provider, but may not be on the approved list with other providers.

4.

Go to “www.nissanusa.com/bluetooth/”.

a.

Using the website's search engine, find out if the customer's phone is on the approved list.

b.

If the customer's phone is NOT on the approved list:
Stop diagnosis here. The customer needs to obtain a Bluetooth

®

 phone that is on the approved list before

any further action.

c.

If the feature related to the customer's concern shows as “N” (not compatible):
Stop diagnosis here. If the customer still wants the feature to function, they will need to get an approved
phone showing the feature as “Y” (compatible) in the “Basic Features” list.

d.

If the feature related to the customer's concern shows as “Y” (compatible):
Perform diagnosis as per the following table.

Symptoms

Check items

Probable malfunction location

Does not recognize cellular 
phone connection. (no connec-
tion is displayed on the display 
at the guide.)

Repeat the registration of cellular phone.

AV control unit malfunction.
Replace AV control unit. 
Refer to 

AV-168, "Removal and Installation"

.

Hands-free phone cannot be 
established.

• Hands-free phone operation can be 

made, but the communication cannot 
be established.

• Hands-free phone operation can be 

performed, however, voice between 
each other cannot be heard during the 
conversation.

AV control unit malfunction.
Replace AV control unit. 
Refer to 

AV-168, "Removal and Installation"

.

The other party's voice cannot 
be heard by hands-free phone.

Check the “microphone speaker” in In-
spection & Adjustment Mode if sound is 
heard.

AV control unit malfunction.
Replace AV control unit. 
Refer to 

AV-168, "Removal and Installation"

.

Originating sound is not heard 
by the other party with hands-
free phone communication.

Sound operation function is normal.

AV control unit malfunction.
Replace AV control unit. 
Refer to 

AV-168, "Removal and Installation"

.

Sound operation function does not work.

Microphone signal circuit malfunction.
Refer to 

AV-148, "Diagnosis Procedure"

.

Revision: 2012 November

2014 GT-R

AV

MULTI AV SYSTEM SYMPTOMS

AV-159

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

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RELATED TO RGB IMAGE

RELATED TO VOICE CONTROL

RELATED TO AUDIO

The system cannot be operat-
ed.

• The retractable hard top is fully closed.
• The voice recognition can be controlled.
• Steering switch's “MRK”, “VOL UP”, 

“VOL DOWN” switch works, but “

” it 

does not work.

Steering switch malfunction.

• The retractable hard top is fully closed.
• The voice recognition can be controlled.
• Steering switch's “MRK”, “VOL UP”, 

“VOL DOWN”, “

” switches do not 

work.

Steering switch signal B circuit malfunction.
Refer to 

AV-154, "Diagnosis Procedure"

.

All steering switches do not work.

Steering switch ground circuit malfunction.
Refer to 

AV-156, "Diagnosis Procedure"

.

Symptoms

Check items

Probable malfunction location

Symptoms

Check items

Probable malfunction location

RGB image is not shown.

RGB digital image signal circuit malfunction.
Refer to 

AV-145, "Diagnosis Procedure"

.

Symptoms

Check items

Probable malfunction location

The voice cannot be controlled 
even if the voice control screen 
is displayed.

Voice sounds at “Voice Microphone Test” 
of Confirmation/Adjustment mode.

AV control unit malfunction.
Replace AV control unit. 
Refer to 

AV-168, "Removal and Installation"

.

Voice does not sound at “Voice Micro-
phone Test” of Confirmation/Adjustment 
mode.

Microphone circuit malfunction.
Refer to 

AV-148, "Diagnosis Procedure"

.

The voice cannot be controlled
(Voice control screen is not dis-
played).

Steering switch's “SOURCE”, “SEEK UP”, 

“SEEK DOWN”, “

”, “START / 

STOP”switches do not work.

Steering switch signal A circuit malfunction.
Refer to 

AV-152, "Diagnosis Procedure"

.

All steering switches do not work.

Steering switch ground circuit malfunction.
Refer to 

AV-156, "Diagnosis Procedure"

.

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

Disk eject signal circuit malfunction.
Refer to 

AV-147, "Diagnosis Procedure"

.

No sound comes out or the lev-
el of the sound is low.

No sound from all speakers.

• BOSE amp. ON signal circuit malfunction.
• BOSE amp. power supply and ground circuits malfunc-

tion.
Refer to 

AV-143, "AV CONTROL UNIT : Diagnosis Pro-

cedure"

.

Sound is not heard from woofer.

• Woofer power supply and ground circuit malfunction.
• Sound signal (woofer) circuit malfunction.
• Woofer amp. ON signal circuit malfunction.

Only a certain speaker (front right, front 
left, rear right, or rear left, etc.) does not 
output sound.

• Poor connector connection of speaker.
• Sound signal circuit malfunction between AV control 

unit and BOSE amp.

• Sound signal circuit malfunction between BOSE amp. 

and speaker.

• Malfunction in speaker.
• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Revision: 2012 November

2014 GT-R

AV-160

< SYMPTOM DIAGNOSIS >

[BOSE AUDIO WITH NAVIGATION]

MULTI AV SYSTEM SYMPTOMS

RELATED TO USB

NOTE:
Check that there is no malfunction of USB equipment main body before performing a diagnosis.

iPod

®

 is a trademark of Apple inc., registered in the U.S. and other countries.

RELATED TO DVD MODE

RELATED TO CAMERA

RELATED TO STEERING SWITCH

Noise is mixed with audio. 

Noise comes out from all speakers.

• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Noise comes out only from a certain 
speaker (front right, front left, rear right, 
or rear left, etc.).

• Poor connector connection of speaker.
• Sound signal circuit malfunction between AV control 

unit and BOSE amp.

• Sound signal circuit malfunction between BOSE amp. 

and speaker.

• Malfunction in speaker.
• Poor installation of speaker (e.g. backlash and loose-

ness)

• Malfunction in AV control unit.
• Malfunction in BOSE amp.

Noise is mixed with radio only (when the 
car hits a bump or while driving over bad 
roads).

Poor connector connection of antenna or antenna feeder.

Radio is not received or poor 
reception.

• Other audio sounds are normal.
• Any radio cannot be received or poor 

reception is caused even after moving 
to a service area with good reception 
(e.g. a place with clear view and no ob-
stacles generating external noises). 

• Antenna amp. ON signal circuit malfunction.
• Poor connector connection of antenna or antenna feed-

er.

Symptoms

Check items

Probable malfunction location

Symptoms

Check items

Possible malfunction location / Action to take

iPod

®

 or USB memory can not 

be recognized.

• USB harness malfunction.
• USB connector malfunction.

Symptoms

Check items

Probable malfunction location

The disk cannot be removed.

Disk eject signal circuit malfunction.
Refer to 

AV-147, "Diagnosis Procedure"

.

DVD sound is not heard.

No sound from all speakers.

• BOSE amp. ON signal circuit.
• BOSE amp. power supply and ground circuit.

Refer to 

AV-144, "BOSE AMP. : Diagnosis Procedure"

.

Sound is heard only from specific places 
(RH front, RH rear, LH front and LH rear).

Audio signal circuit of suspect system.

Symptoms

Check items

Probable malfunction location

Camera image is not shown.
(Vehicle width and predictive 
course line are displayed.)

• Camera image signal circuit.
• Camera power supply and ground circuits.
Refer to 

AV-150, "Diagnosis Procedure"

.

Camera image does not switch.

Select “Camera Cont.” of Confirmation/
Adjustment mode, Reverse Sensor is not 
turned ON at “Connection Confirmation”.

Reverse signal circuit malfunction.

Select “Camera Cont.” of Confirmation/
Adjustment mode, Reverse Sensor is 
turned ON at “Connection Confirmation”.

AV control unit malfunction.
Replace AV control unit. Refer to 

AV-168, "Removal and 

Installation"

.

Revision: 2012 November

2014 GT-R

 

 

 

 

 

 

 

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