audio INFINITI QX56 2008 Factory Owner's Manual

AV-22
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV CONTROL UNIT
AV CONTROL UNIT : Diagnosis DescriptionINFOID:0000000001696038
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 t he 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 perfo rm 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: March 2010 2008 QX56

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DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-23
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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-24
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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
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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 4 , "
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- 3 5 , "
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-26
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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
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AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-27
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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.
ALNIA0219GB
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-28
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Speaker Test
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
The steering angle output value detected with the gyroscope is
adjusted.
SPEED CALIBRATION
During normal driving, distance error caused by tire wear and tire
pressure change is automatically adjusted 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 itemDis-
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
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XM SAT SUBSCRIPTION STATUS
The XM NavTraffic subscription status can be checked.
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 star t. 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 thecondition is normal at
a next IGN ON cycle.
• The counter upper limit is 39. Any counts exceeding 39 are ignored. The counter can be reset (no error-
record display) with the “Delete log” switch or CONSULT-III.
Count up method B
• The counter increases by 1 if an error occurs when IGN switch is ON. The counter will not decrease even
ifthe condition is normal at the next IGN ON cycle.
• The counter upper limit is 50. Any counts exceeding 50 are ignored. The counter can be reset (no error-
record display) with the “Delete log” switch or CONSULT-III.
Error item
Some error items may be displayed simultaneously accordi ng to the cause. If some error items are displayed
simultaneously, the detection of the cause can be per formed by the combination of display items
ALNIA0225GB
Display method of occur-
rence frequency Error history diplay item
Count up method A CAN communication line, control unit (CAN), AV communication line, control unit (AV communica-
tion)
Count up method B Other than above
Error item DescriptionPossible malfunction factor/Action to take
CAN COMM CIRCUIT CAN communication malfunction is detect-
edPerform diagnosis with CONSULT-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to AV- 3 3 , "
AV CONTROL UNIT :
CONSULT-III Function".
ALNIA0226GB
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AV-30
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
CONTROL UNIT (CAN)CAN initial diagnosis malfunction is detect-
ed
Replace the AV control unit. Refer to AV-
164, "Removal and Installation"
CONTROL UNIT (AV) AV communication circuit initial diagnosis
malfunction is detected
FLASH-ROM Error Of Control Unit
AV control unit malfunction is detected
Connection Of Gyro
XM SERIAL COMM Error
CAN Controller Memory Error
Bluetooth Module Connection Error
HDD CONN Error
HDD READ Error
HDD WRITE Error
HDD COMM Error
HDD ACCESS Error
DSP CONN Error
DSP COMM Error
Internal Communication Error
AV control unit power supply and ground
circuit. Refer to
AV- 6 3 , "
AV CONTROL
UNIT : Diagnosis Procedure"
GPS Communication Error
GPS malfunction is detectedAn intermittent error ca
used by strong radio
interference may be detected unless any
symptoms (GPS recept ion error, etc.) oc-
cur.
Replace the AV control unit ff the malfunc-
tion occurs constantly. Refer to AV- 1 6 4 ,
"Removal and Installation"
GPS ROM Error
GPS RAM Error
GPS RTC Error
Front Display Connection Error • Display unit power supply and ground
circuit malfunction is detected
• Malfunction is detected on communica- tion circuit between display unit and AV
control unit
• Malfunction is detected on communica- tion signal between display unit and AV
control unit • Display unit power supply and ground
circuit. Refer to AV- 6 4 , "
DISPLAY UNIT :
Diagnosis Procedure"
• Communication circuit between display
unit and AV control unit
GPS Antenna Error GPS antenna connection malfunction is de-
tected
GPS antenna
XM Antenna Connection Error Poor connection is detected in satellite ra-
dio antennaSatellite radio antenna
Camera Control Unit Connection Error A malfunction is detected in the rear view
camera-connection recognition signal cir-
cuitRear view camera-connection recognition
signal circuit
• AV COMM CIRCUIT
• Switches Connection Error • A/C and AV switch assembly power sup-
ply and ground circuit malfunction is de-
tected
• A malfunction is detected in AV commu- nication circuit between AV control unit
and A/C and AV switch assembly
• A malfunction is detected in AV commu- nication signal between AV control unit
and A/C and AV switch assembly • A/C and AV switch assembly power sup-
ply and ground circuits. Refer to AV- 6 5 ,
"A/C AND AV SWITCH ASSEMBLY : Di-
agnosis Procedure"
• AV communication circuit between AV
control unit and A/C and AV switch as-
sembly
Error item Description Possible malfunction factor/Action to take
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Vehicle CAN Diagnosis
• CAN communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not
detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.
• The error counter is erased if reset.
AV COMM Diagnosis
• AV communication status and error counter is displayed.
• The error counter displays “OK” if any malfunction was not detected in the past and displays “0” if a malfunction is detected. It
increases by 1 if the condition is normal at the next ignition switch
ON cycle. The upper limit of the counter is 39.
• The error counter is erased if reset.
Handsfree Phone
The hands-free phone reception volume adjustment, microphone
and speaker test, and memory erase functions are also available.
Bluetooth
Passkey confirmation/change
• AV COMM CIRCUIT
• Rear View Camera Connection Error • A malfunction is detected in camera con-
trol unit power supply and ground circuits
• Malfunction is detected on AV communi- cation signal between camera control
unit and AV control unit Rear view camera control unit power sup-
ply and ground circuits. Refer to
AV- 6 7 ,
"REAR VIEW CAMERA CONTROL UNIT :
Diagnosis Procedure"
• AV COMM CIRCUIT
• Rear View Camera Connection Error
• Rear View Camera Control Unit Connec-
tion Error • Malfunction is detected in AV communi-
cation circuit between camera control
unit and AV control unit
• Malfunction is detected on AV communi-
cation signal between camera control
unit and AV control unit AV communication circuit between Camera
control unit and AV control unit
Error item
DescriptionPossible malfunction factor/Action to take
ALNIA0227GB
ALNIA0265GB
ALNIA0228GB
Revision: March 2010 2008 QX56