2008 INFINITI QX56 audio

AV-26
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
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
Revision: March 2010 2008 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-27
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
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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
Revision: March 2010 2008 QX56

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
Revision: March 2010 2008 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-29
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
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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
Revision: March 2010
2008 QX56

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
Revision: March 2010
2008 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-31
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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

AV-32
< FUNCTION DIAGNOSIS >[AUDIO SYSTEM]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
• The passkey of Bluetooth can be confirmed and changed.
• The passkey can be changed by four digits within 0 to 9.
Device name check/change
• The device name of Bluetooth can be confirmed and changed.
• The device name can be changed by sixteen digits within A to Z
(small character can be used) and - (hyphen).
SAT
• Change Channel
- Any necessary channels required to receive traffic information fromthe satellite radio system can be set.
• Change Application ID
- Any application ID's required to receive traffic information from the satellite radio system can be set.
Delete Unit Connection Log
ALNIA0233GB
ALNIA0233GB
ALNIA0236GB
ALNIA0237GB
Revision: March 2010 2008 QX56

AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)AV-33
< FUNCTION DIAGNOSIS > [AUDIO SYSTEM]
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Deletes any unit connection records and error records from the AV
control unit memory. (Clear the records of the unit that has been
removed)
Inititialize Settings
Initializes the AV control unit memory.
AV CONTROL UNIT : CONSULT-III FunctionINFOID:0000000001696039
CONSULT-III can display each diagnostic item using the diagnostic test modes shown following.
Self-diagnosis results
• In CONSULT-III self-diagnosis, self-diagnosis results and error history are displayed collectively.
• The current malfunction indicates “CRNT”. The past malfunction indicates “PAST”.
• The timing is displayed as “0” if any of the error codes [U1000], [U1010], [U1300] and [U1310] is detected.
The counter increases by 1 if the condition is normal at the next ignition switch ON cycle.
Self-diagnosis results display item
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ALNIA0240GB
MULTI AV diagnosis mode Description
SELF-DIAG RESULTS Displays AV control unit self-diagnosis results.
DATA MONITOR Displays AV control unit input/output data in real time.
CAN DIAG SUPPORT MNTR The result of transmit/receive diagnosis of CAN communication can be read.
AV COMM MONITOR Allows the technician to monitor the status of the Multi AV system communication signals.
ECU PART NUMBER The part number of AV control unit can be checked.
Error item DescriptionPossible malfunction factor/Action to take
CAN COMM CIRCUIT[U1000] 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".
Revision: March 2010
2008 QX56