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Nissan Frontier. Manual - 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 Manual 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 Manual 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 manual.
Refer to the Owner's Manual for Bluetooth

telephone system operating instructions.

AWNIA2775GB

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.

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Diagnosis results

Unit

Connection line

Normal

Green

Connection malfunction

Gray

Yellow

Unit malfunction

Red

Green

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

AV-122, "AUDIO UNIT : Diagno-

sis Procedure"

• If no malfunction is detected in audio unit

power supply and ground circuits, re-
place audio unit. Refer to

AV-146, "Re-

moval and Installation"

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

AV-122, "BLUETOOTH® CON-

TROL UNIT : Diagnosis Procedure"

• AV communication circuits between au-

dio unit and Bluetooth

control unit.

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