Nissan Pathfinder (2011 year). Instruction — part 28

AV

AUDIO SYSTEM

AV-43

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SYSTEM DESCRIPTION

AUDIO SYSTEM

System Diagram

INFOID:0000000006246438

System Description

INFOID:0000000006246439

AUDIO SYSTEM

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2011 Pathfinder

AV-44

< SYSTEM DESCRIPTION >

[MID AUDIO]

AUDIO SYSTEM

The audio system consists of the following components

• AV control unit

• Display unit

• Window antenna

• Steering wheel audio control switches

• A/C and AV switch assembly

• Front door speakers

• Front tweeters

• Rear door speakers

When the audio system is on, radio signals are received by the window antenna. The AV control unit then

sends audio signals to the front door speakers, front tweeters and rear door speakers.

Refer to Owner's Instruction for audio system operating instructions.

SPEED SENSITIVE VOLUME SYSTEM

The volume level of this system goes up and down automatically in proportion to vehicle speed. The control

level can be set by the customer. Refer to the Owner's Instruction for operating instructions.

Component Parts Location

INFOID:0000000006246440

1.

Steering wheel audio control switches 2.

Front tweeter LH M109

3.

AV control unit M131, M132, M133,
M134, M135

4.

A/C and AV switch assembly M98

5.

Display unit M93

6.

Front tweeter RH M111

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2011 Pathfinder

AV

AUDIO SYSTEM

AV-45

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Component Description

INFOID:0000000006246441

7.

Aux. jack M85

8.

Front door speaker
LH D12
RH D112

9.

Rear door speaker
LH D209
RH D309

10. Rear view camera D551

Part name

Description

AV control unit

Controls audio system functions

Display unit

Displays audio and climate control related information

A/C and AV switch assembly

• All audio and A/C operations can be operated
• switch signal is output to the AV control unit and A/C auto amp

Steering wheel audio control switches

• Audio operation can be operated
• Steering switch signal (operation signal) is output to AV control unit

Front door speakers

• Outputs audio signal from AV control unit
• Outputs high, mid and low range sounds

Front tweeters

• Outputs audio signal from AV control unit
• Outputs high range sounds

Rear door speakers

• Outputs audio signal from AV control unit
• Outputs high, mid and low range sounds

Antenna amp.

• Radio signal received by window antenna is amplified and sent to AV con-

trol unit

• Power (antenna amp. ON signal) is supplied from AV control unit

2011 Pathfinder

AV-46

< SYSTEM DESCRIPTION >

[MID AUDIO]

REAR VIEW MONITOR SYSTEM

REAR VIEW MONITOR SYSTEM

System Diagram

INFOID:0000000006246442

System Description

INFOID:0000000006246443

When the shift selector is in the R position, the AV control unit receives camera image signals from the rear

view camera and sends the camera image signals to the display unit which shows a view to the rear of the

vehicle. Lines which indicate the vehicle clearance and distances are also displayed.

Component Parts Location

INFOID:0000000006709590

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2011 Pathfinder

AV

REAR VIEW MONITOR SYSTEM

AV-47

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Component Description

INFOID:0000000006709589

1.

Steering wheel audio control switches 2.

Front tweeter LH M109

3.

AV control unit M131, M132, M133,
M134, M135

4.

A/C and AV switch assembly M98

5.

Display unit M93

6.

Front tweeter RH M111

7.

Aux. jack M85

8.

Front door speaker
LH D12
RH D112

9.

Rear door speaker
LH D209
RH D309

10. Rear view camera D551

Part name

Description

AV control unit

• Receives reverse signal from back-up lamp relay
• Sends camera ON signal to rear view camera
• Receives image signal from rear view camera
• Sends camera image signal to display unit

Rear view camera

• Receives camera ON signal from AV control unit
• Sends image signal to the AV control unit

Display unit

• Receives camera image signal from AV control unit

2011 Pathfinder

AV-48

< SYSTEM DESCRIPTION >

[MID AUDIO]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Description

INFOID:0000000006246450

DESCRIPTION

• Diagnosis function consists of the "Self-Diagnosis" mode performed automatically and the "Confirmation/

Adjustment" mode operated instructionly.

• "Self-Diagnosis" mode checks for connections between the units constituting this system, analyzes each

individual unit at the same time, and displays the results on the LCD screen.

• "Confirmation/Adjustment" mode is used to perform trouble diagnosis that requires operation and judgment

by an operator (trouble that cannot be automatically judged by the system), to check/change the set value,

and to display the error history of the AV control unit.

DIAGNOSIS ITEM

OPERATION PROCEDURE

1. Start the engine.
2. Turn the audio system off.
3. While pressing the “SETTING” button, turn the volume control

dial counterclockwise 30 clicks or more.

Mode

Description

Self-diagnosis

• AV control unit diagnosis
• Analyzes connection between the AV control unit, front display and

switches.

CONFIRMATION/
ADJUSTMENT

Display diagnosis

Color spectrum bar Color tone of the screen can be checked by the display of a color bar.

Gradation bar

Shading of the screen can be checked by the display of a gray scale.

Vehicle signals

The following vehicle signals are analyzed: Vehicle speed signal, park-
ing brake signal, light signal, ignition switch signal, and reverse signal.

Speaker test

Connection can be checked by sending a test tone to each speaker.

Climate control

Start automatic air conditioner self-diagnosis

Error history

Diagnosis results previously stored in the memory are displayed in this
mode.

Vehicle CAN diagnosis

The transmitting/receiving of CAN communication can be monitored.

AV COMM diagnosis

The transmitting/receiving of AV communication can be monitored.

Delete connection log

Erase the error history and connection history of the unit.

Initialize settings

All audio settings are reset to default levels.

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2011 Pathfinder

AV

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

AV-49

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4. The initial trouble diagnosis screen will be displayed, and items

“Self-Diagnosis” and “Confirmation/Adjustment” can be

selected.

SELF-DIAGNOSIS

1. Perform self-diagnosis by selecting “Self-Diagnosis”.

• Self-diagnosis subdivision screen is displayed, and the self-

diagnosis mode starts.

• A bar graph visible on the center of the self-diagnosis subdivi-

sion screen indicates progress of the trouble diagnosis.

NOTE:

Self-diagnosis requires approximately 10 seconds to complete.

2. Diagnosis results are displayed after the self-diagnosis is com-

pleted. The unit names and the connection lines are color-coded

according to the diagnostic results.

Note:
• Only the AV control unit is displayed in red.
• If multiple malfunctions occur at the same time for a single unit, the screen switch colors are determined according to the follow-

ing order of priority: red > yellow > gray.

3. Select a component on the “Self Diagnosis” screen and com-

ments for the diagnosis results will be shown.

Self-Diagnosis Results

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Diagnosis results

Unit

Connection line

Normal

Green

Green

Connection malfunc-
tion

Gray

Yellow

Unit malfunction

Note

Red

Green

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2011 Pathfinder

AV-50

< SYSTEM DESCRIPTION >

[MID AUDIO]

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

CONFIRMATION/ADJUSTMENT MODE

1. Start the diagnosis function and select “Confirmation/Adjustment”. The confirmation/adjustment mode

indicates where each item can be checked or adjusted.

2. Select each item on the “Confirmation/Adjustment” mode screen

to display the relevant trouble diagnosis screen. Press the

“BACK” button or touch "BACK" on the touch screen to return to

the initial Confirmation/Adjustment Mode screen.

Area with yellow connection lines

Description

Possible malfunction location / Action

to take

AV control unit malfunction is detect-
ed

Replace the AV control unit. Refer to

AV-113, "Removal and Installation"

.

Poor connection is detected for the
display unit

• Harness or connector
• AV control unit
• Display unit

Switch malfunction is detected

Perform A/C and AV switch assembly
diagnostics. Refer to

AV-54, "A/C

AND AV SWITCH ASSEMBLY : Com-
ponent Function Check"

.

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2011 Pathfinder