Nissan Frontier. Instruction — part 25
AV-92
< SYSTEM DESCRIPTION >
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SYSTEM
SYSTEM
System Diagram
INFOID:0000000009482101
System Description
INFOID:0000000009482102
AUDIO SYSTEM
The audio system consists of the following components
• Audio unit
• Front door speakers
• Front tweeters
• Rear door speakers
• Steering wheel audio control switches
• USB interface
• Rod antenna
When the audio system is on, AM/FM signals received by the rod antenna are sent to the audio unit. The
audio 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.
SATELLITE RADIO SYSTEM
The satellite radio system consists of the following components
• Satellite antenna
• Satellite radio tuner integral to the audio unit
When the satellite radio system is on, satellite radio signals are supplied to the audio unit from the satellite
antenna. The audio unit then sends audio signals to the speakers.
Refer to Owner's Instruction for satellite radio system operating instructions.
HANDS-FREE PHONE SYSTEM
System Operation
NOTE:
Cellular telephones must have their wireless connection set up (paired) before using the Bluetooth
®
telephone
system.
The Bluetooth
®
telephone system allows users who have a Bluetooth
®
cellular telephone to make a wireless
connection between their cellular telephone and the Bluetooth
®
control unit. Hands-free cellular telephone
calls can be sent and received. Some Bluetooth
®
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 instruction.
Refer to the Owner's Instruction for Bluetooth
®
telephone system operating instructions.
AWNIA2775GB
AV
SYSTEM
AV-93
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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 20 sec-
onds. 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
system.
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
Microphone
The microphone is located in the roof console assembly. The microphone sends a signal to the Bluetooth
®
control unit. The microphone can be actively tested during self-diagnosis.
Audio Unit
The audio unit receives signals from the Bluetooth
®
control unit and sends audio signals to the speakers.
REAR VIEW CAMERA SYSTEM
• The audio unit supplies power to the rear view camera when the reverse signal is received from the TCM.
• The rear view camera transmits rear view camera images to the audio unit when power is supplied from the
audio unit.
• The audio unit combines a warning message and fixed guide lines with an image received from the rear view
camera to display a rear view camera image on the screen.
AV-94
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DIAGNOSIS SYSTEM (AUDIO UNIT)
DIAGNOSIS SYSTEM (AUDIO UNIT)
Description
INFOID:0000000009482103
The audio unit on board diagnosis performs the functions listed in the table below:
On Board Diagnosis Function
INFOID:0000000009482104
SELF DIAGNOSIS MODE
Audio Unit Self Diagnosis
1. Select Self Diagnosis.
2. Self diagnosis screen is displayed. The bar graph visible in center of screen indicates progress of self
diagnosis.
3. 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.
1: Control unit (audio unit) is displayed in red.
• Replace audio unit if Self Diagnosis did not run because control unit malfunction is indicated. The symptom is audio unit internal
error. Refer to
AV-146, "Removal and Installation"
.
• If multiple errors occur at the same time for a single unit, the screen switch colors are determined according to the following order
of priority: red > gray.
Mode
Description
Self Diagnosis
• Audio unit diagnosis.
• Diagnoses the connections across system components.
Confirmation/
Adjustment
Display Diagnosis
The following check functions are available: color tone check by color bar
display and white display, light and shade check by gray scale display.
Vehicle Signals
Diagnosis of signals can be performed for vehicle speed, lights, reverse,
EQ pin, destination and camera type.
Speaker Test
The connection of a speaker can be confirmed by test tone.
Error History
The system malfunction and the frequency when occurring in the past are
displayed. When the malfunctioning item is selected, the time and place
that the selected malfunction last occurred are displayed.
Camera System
Guiding line position that overlaps rear view camera image can be adjust-
ed.
AV COMM Diagnosis
The communication condition of each unit of display audio system can be
monitored.
Delete Unit Connection Log
Erase the connection history of unit and error history.
Initialize Setting
Initializes the audio unit memory.
JSNIA4566ZZ
Diagnosis results
Unit
Connection line
Normal
Green
Green
Connection malfunction
Gray
Yellow
Unit malfunction
1
Red
Green
AV
DIAGNOSIS SYSTEM (AUDIO UNIT)
AV-95
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4. Comments of self diagnosis results can be viewed in the diagno-
sis result screen.
Audio Unit Self Diagnosis Results
Audio Unit Confirmation/Adjustment
1. Select Confirmation/Adjustment.
2. Select each switch on the Confirmation/Adjustment screen to
display the relevant trouble diagnosis screen. Press the BACK
switch to return to the initial Confirmation/Adjustment screen.
JSNIA1870ZZ
Only Unit Part Is Displayed In Red
Screen switch
Description
Possible cause
Control unit
Malfunction is detected in audio unit power
supply and ground circuits.
• Audio unit power supply or ground cir-
cuits.
Refer to
• If no malfunction is detected in audio unit
power supply and ground circuits, re-
place audio unit. Refer to
.
A Connecting Cable Between Units Is Displayed In Yellow
Area with yellow connection lines
Description
Possible cause
Control unit
⇔ BTHF
When one of the following is detected:
• malfunction is detected in Bluetooth
®
control unit power supply and ground cir-
cuits.
• malfunction is detected in AV communi-
cation circuits between audio unit and
Bluetooth
®
control unit.
• Bluetooth
®
control unit power supply or
ground circuits.
Refer to
TROL UNIT : Diagnosis Procedure"
• AV communication circuits between au-
dio unit and Bluetooth
®
control unit.
AWNIA2631GB
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