Nissan Pathfinder (2011 year). Manual — part 40
AV
HANDS-FREE PHONE SYSTEM
AV-139
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HANDS-FREE PHONE SYSTEM
System Diagram
INFOID:0000000006246551
System Description
INFOID:0000000006246552
Refer to the owner's manual for Bluetooth telephone system operating instructions.
NOTE:
Cellular telephones must have their wireless connection set up (paired) before using the Bluetooth telephone
system.
Bluetooth telephone system allows users who have a Bluetooth cellular telephone to make a wireless connec-
tion between their cellular telephone and the Bluetooth control unit. Hands-free cellular telephone calls can be
sent and received. Personal memos can be created using the Nissan Voice Recognition system. Some Blue-
tooth cellular telephones may not be recognized by the Bluetooth control unit. When a cellular telephone or
the Bluetooth control unit is replaced, the telephone must be paired with the Bluetooth control unit. Different
cellular telephones may have different pairing procedures. Refer to the cellular telephone operating manual.
BLUETOOTH CONTROL UNIT
When the ignition switch is turned to ACC or ON, the Bluetooth control unit will power up. During power up, the
Bluetooth control unit is initialized and performs various self checks. Initialization may take up to 10 seconds.
If a phone is present in the vehicle and paired with the Bluetooth control unit, Nissan Voice Recognition will
then become active. Bluetooth telephone functions can be turned off using the Nissan Voice Recognition sys-
tem.
STEERING WHEEL AUDIO CONTROL SWITCHES
When buttons on the steering wheel audio control switch are pushed, the resistance in steering wheel audio
control switch circuit changes depending on which button is pushed. The Bluetooth control unit uses this sig-
nal to perform various functions while navigating through the voice recognition system.
The following functions can be performed using the steering wheel audio control switch:
• Initiate Self Diagnosis of the Bluetooth telephone system
• Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume of calls
• Record memos
MICROPHONE
The microphone is located in the roof console assembly. The microphone sends a signal to the Bluetooth con-
trol unit. The microphone can be actively tested during self-diagnosis.
AV CONTROL UNIT
The AV control unit receives signals from the Bluetooth control unit and sends audio signals to the speakers.
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HANDS-FREE PHONE SYSTEM
Component Parts Location
INFOID:0000000006709596
1.
Steering wheel audio control switch-
es
2.
Front tweeter LH M109
3.
AV control unit M42, M43, M44, M45,
M46, M69, M70
4.
A/C and AV switch assembly M98
5.
Display unit M93
6.
Front tweeter RH M111
7.
Satellite radio tuner M41, M129
8.
Aux jack M85
9.
Front door speaker
LH D12
RH D112
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HANDS-FREE PHONE SYSTEM
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Component Description
INFOID:0000000006246554
10. Rear tweeter
LH D208
RH D308
11. Rear door speaker
LH D207
RH D307
12. Subwoofer B72
13. BOSE speaker amp B74 & B75 (lo-
cated under driver seat)
14. Rear view camera D551
Part name
Description
AV control unit
• Receives telephone voice signal from Bluetooth control unit.
• Sends telephone voice and voice guidance signals to the speakers.
Door speaker
Receives telephone voice and voice guidance signals from the AV control unit.
Front tweeter
Center speaker
Steering wheel audio control switches
• Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume level
Microphone
Sends voice signals to Bluetooth control unit
Bluetooth control unit
Controls hands-free phone functions
Bluetooth antenna
Sends telephone voice signal to bluetooth control unit
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis Description
INFOID:0000000006709600
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. (When the self-diagno-
sis mode is started, a short beep will be heard.)
Mode
Description
Self-diagnosis
• AV control unit diagnosis
• Analyzes connection between the AV control unit, front display, Blue-
tooth, DVD deck, Satellite tuner 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 test.
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 unit 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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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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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 malfunction
Gray
Yellow
Unit malfunction
Note
Red
Green
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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-256, "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"
.
Poor connection is detected for the
DVD player.
• Harness or connector
• AV control unit
• DVD player
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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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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. Touch “BACK”
on the display unit or press the “BACK” switch to return to the
initial Confirmation/Adjustment Mode screen.
Display Diagnosis
Vehicle Signals
Poor connection is detected for the
Bluetooth control unit
• Harness or connector
• AV control unit
• Bluetooth control unit
Poor connection is detected for the
satellite radio tuner.
• Harness or connector
• AV control unit
• Satellite radio tuner
Area with yellow connection lines
Description
Possible malfunction location / Action
to take
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.
Speaker Test
Select “Speaker Test” to display the speaker diagnosis screen. Press
“Start” to generate a test tone in speakers. Press “End” to stop the
test tones.
Error History
The self-diagnosis results are judged depending on whether any
error occurs from when “Self-diagnosis” is selected until the self-
diagnosis results are displayed.
However, the diagnosis results are judged normal if an error has
occurred before the ignition SW is turned ON and then no error has
occurred until the self-diagnosis start. Check the “Error History” to
detect any error that may have occurred before the self-diagnosis
start because of this situation.
Count up method A
• The counter resets to 0 if an error occurs when IGN switch is
turned ON. The counter increases by 1 if the condition is normal at
a next IGN ON cycle.
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Diagnosis item
Dis-
play
Vehicle status
Remarks
Vehicle speed
ON
Vehicle speed > 0 km/h
Changes in indication may be delayed by approxi-
mately 1.5 seconds. This is normal.
OFF
Vehicle speed = 0 km/h
−
Ignition switch in ACC position
Parking brake
ON
Parking brake is applied.
OFF
Parking brake is released.
Lights
ON
Light switch ON
Block the light beam from the auto light optical sensor.
OFF
Light switch OFF
Ignition
ON
Ignition switch ON
—
OFF
Ignition switch in ACC position
Reverse
ON
Selector lever in R position
Changes in indication may be delayed by approxi-
mately 1.5 seconds. This is normal.
OFF
Selector lever in any position other
than R
−
Ignition switch in ACC position
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