2010 INFINITI QX56 audio

AV-26
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
HANDS-FREE PHONE SYSTEM
Component Description
INFOID:0000000005146241
10. Rear audio remote control unit R204 11. Microphone R109 12. Front door speaker
LH D12
RH D112
13. Rear door tweeter LH D208
RH D308 14. Rear door speaker
LH D207
RH D307 15. Back door speaker
LH D518
RH D716
16. Subwoofer B72 (under driver’s seat) 17. BOSE speaker amp M112, M113 (view behind instrument panel above
accelerator pedal)18. Rear view camera control unit B73
(located behind luggage finisher LHl)
19. Rear view camera D504
Part name Description
AV control unit • Receives telephone voice signal from Antenna and Microphone
• Sends telephone voice and voice guidance signals to the speakers
BOSE speaker amp. • Recieves audio signals from the AV control unit
• Outputs amplified audio signals to the speakers.
Front door speaker Receives telephone voice and voice guidance signals from the AV control unit
through the BOSE speaker amp.
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 antenna Sends telephone voice signal to Bluetooth control unit
Revision: April 20092010 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-27
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis DescriptionINFOID:0000000005146242
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
Mode Description
Self-diagnosis • AV control unit diagnosis
• Analyzes connection between the AV control unit, front display,
switches, DVD deck, GPS antenna, rear view camera control unit and
SAT antenna.
Revision: April 20092010 QX56

AV-28
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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.
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.
Touch panel
• Touch panel calibration
• Touch panel response check
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.
Navigation Steering angle ad-
justment
Confirm/adjust the steering angle when there is a difference between
the displayed vehicle mark turning angle and actual.
Speed calibration Confirm/adjust the speed calibration when there is a difference between
the displayed vehicle mark location and actual.
XM SAT subscrip-
tion status Check the subscription status of the XM NAV Traffic subsription.
Error history Diagnosis results previously stored in the memory are displayed in this
mode.
Synchronize FES clock Turns FES (Familly Entertainment System) clock synchronization func-
tion ON/OFF.
Vehicle CAN diagnosis The transmitting/receiving of CAN communication can be monitored.
AV COMM diagnosis The transmitting/receiving of AV communication can be monitored.
Handsfree phone Handsfree volume
adjustment
Adjust handsfree volume (low, medium, high).
Voice microphone
test Test microphone operation.
Delete handsfree
memory Erase handsfree system memory.
Bluetooth Confirm/Change
passkey
Confirm and change the Bluetooth passkey
Confirm/Change
device name Confirm and change a device name stored in Bluetooth.
SAT Change channel
Any necessary channels required to recieve traffic information from the
satellite radio system can be set.
Change applica-
tion ID Any application ID’s required to recieve traffic information from the sat-
ellite radio system can be set.
Diag Not used.
Delete unit connection log Erase the error history and connection history of the unit.
Initialize settings All audio settings are reset to default levels.
Mode
Description
ALNIA0446GB
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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-29
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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 fo llow-
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
ALNIA0211GB
ALNIA0210GB
Diagnosis results Unit Connection
line
Normal Green Green
Connection malfunction Gray Yellow
Unit malfunction
NoteRed Green
ALNIA0209GB
ALNIA0208GB
Revision: April 20092010 QX56

AV-30
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Area with yellow connection lines
DescriptionPossible malfunction location / Action
to take
AV control unit malfunction is detect-
ed Replace the AV control unit. Refer to
AV- 1 6 9 , "
Removal and Installation".
Poor connection is detected for the
display unit • Harness or connector
• AV control unit
• Display unit
Switch malfunction is dectected Perform A/C and AV switch assembly
diagnostics. Refer to
AV- 4 0 , "
A/C
AND AV SWITCH ASSEMBLY : Com-
ponent Function Check".
Poor connection is detected for the
DVD player. • Harness or connector
• AV control unit
• DVD player
ALNIA0214GB
ALNIA0207GB
ALNIA0212GB
ALNIA0213GB
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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-31
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CONFIRMATION/ADJUSTMENT MODE
1. Start the diagnosis function and select “Confirmati on/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 or press the “BACK” button to return to the initial
Confirmation/Adjustment Mode screen.
Poor connection is dected for the
GPS antenna • Harness or connector
• AV control unit
• GPS antenna
Poor connection is detected for the
rear camera control unit. • Harness or connector
• AV control unit
• Rear camera 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
DescriptionPossible malfunction location / Action
to take
ALNIA0215GB
ALNIA0217GB
ALNIA0216GB
ALNIA0218GB
Revision: April 20092010 QX56

AV-32
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Display Diagnosis
The tint of the color bar indication is as per the following list if RGB signal error is detected.
Vehicle Signals
A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.
AWNIA1552GB
R (red) signal error : Light blue (Cyan) tint
G (green) signal error :
Purple (Magenta) tint
B (blue) signal error : Yellow tint
ALNIA0220GB
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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-33
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Sp ea ke r Tes t
Select “Speaker Test” to display the speaker diagnosis screen. Press
“Start” to generate a test tone in speakers. Touch “End” to stop the
test tones.
Navigation
STEERING ANGLE ADJUSTMENT
Adjustment of the steering angle output value detected by the gyro-
scope.
SPEED CALIBRATION
During normal driving, distance error caused by tire wear and tire
pressure change is automatically adj
usted for by the automatic dis-
tance correction function. This function, on the other hand, is for
immediate adjustment, in cases such as driving with tire chain fitted
on tires.
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
ALNIA0221GB
ALNIA0223GB
ALNIA0224GB
Revision: April 20092010 QX56