Nissan Pathfinder (2011 year). Manual — part 28
AV
AUDIO SYSTEM
AV-43
< SYSTEM DESCRIPTION >
[MID AUDIO]
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SYSTEM DESCRIPTION
AUDIO SYSTEM
System Diagram
INFOID:0000000006246438
System Description
INFOID:0000000006246439
AUDIO SYSTEM
AWNIA2293GB
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 Manual 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 Manual 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
AWNIA2295ZZ
2011 Pathfinder
AV
AUDIO SYSTEM
AV-45
< SYSTEM DESCRIPTION >
[MID AUDIO]
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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
AWNIA2296GB
AWNIA2295ZZ
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 manually.
• "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.
ALNIA0446GB
2011 Pathfinder
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-49
< SYSTEM DESCRIPTION >
[MID AUDIO]
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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
ALNIA0259GB
ALNIA0258GB
Diagnosis results
Unit
Connection line
Normal
Green
Green
Connection malfunc-
tion
Gray
Yellow
Unit malfunction
Note
Red
Green
AWNIA2258GB
ALNIA0256GB
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
AND AV SWITCH ASSEMBLY : Com-
ponent Function Check"
.
AWNIA2259GB
AWNIA2260GB
AWNIA2261GB
ALNIA0251GB
2011 Pathfinder
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