Infiniti QX56 (Z62). Manual — part 46
AV-38
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
• Displays the communication status between AV control unit (mas-
ter unit) and each unit.
• 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” is pressed.
NOTE:
“???” indicates UNKWN
Hands-Free Phone
The hands-free phone reception volume adjustment and microphone
and speaker test functions are also available.
Camera.
AV-44, "On Board Diagnosis Function"
.
XM
• Change Channel
- Any necessary channels required to receive traffic information from
the 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
Items
Status
(Current)
Counter
(Past)
C Tx(ITM–PrimarySW)
OK / ???
OK / 0 – 39
C Rx(PrimarySW–ITM)
OK / ???
OK / 0 – 39
C Rx(AVM–ITM)
OK / ???
OK / 0 – 39
C Rx(Disp.3–Video Dist)
OK / ??? / –
OK / 0 – 39
C Rx(Video Dist–ITM)
OK / ???
OK / 0 – 39
C Rx(Sonar–ITM)
OK / ???
OK / 0 – 39
C Rx(Sonar–AVM)
OK / ???
OK / 0 – 39
C Rx(R.RemoteCont–ITM)
OK / ???
OK / 0 – 39
JSNIA2992ZZ
JSNIA2183ZZ
JSNIA2484ZZ
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-39
< SYSTEM DESCRIPTION >
C
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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.)
Initialize Settings
“User Data Initialization” and “Accessory Number Initialization” are
possible.
CAUTION:
• Never perform Accessory Number Initialization except when
configuration is unsuccessful.
• Accessory Number Initialization requires configuration. For
Version Information
Version information of the AV control unit is displayed.
CONSULT-III Function
INFOID:0000000006216220
APPLICATION ITEMS
CONSULT-III performs the following functions via the communication with the AV control unit.
JSNIA2189ZZ
JSNIA2190ZZ
JSNIA2191ZZ
Diagnosis mode
Description
Ecu Identification
The part number of AV control unit can be checked.
Self Diagnostic Result
Performs a diagnosis on the AV control unit and a connection diagnosis for the communication
circuit of the Multi AV system, and displays the current and past malfunctions collectively.
AV-40
< SYSTEM DESCRIPTION >
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV Communication
When “AV communication” of “CAN Diag Support Monitor” is selected, the following function will be performed.
ECU IDENTIFICATION
The part number of AV control unit is displayed.
SELF DIAGNOSIS RESULT
• 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
Data Monitor
The diagnosis of vehicle signal that is input to the AV control unit can be performed.
Work Support
Steering angle sensor can be adjusted.
Configuration
• Read and save the vehicle specification.
• Write the vehicle specification when replacing AV control unit.
Diagnosis mode
Description
AV communication
AV&NAVI C/U
Displays the communication status from AV control unit to each unit as well as the error
counter.
AUDIO
Displays the AV control unit communication status and the error counter.
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000]
CAN communication malfunction is detect-
ed.
Refer to
.
CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit if the malfunc-
tion occurs constantly.
Refer to
AV-212, "Removal and Installa-
.
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected.
Cont Unit [U1200]
AV control unit malfunction is detected.
GYRO NO CONN [U1201]
G-SENSOR NO CONN [U1202]
CAN CONT [U1216]
BLUETOOTH MODULE [U1217]
SUB CPU CONN [U1228]
iPod CERTIFICATION [U1229]
Built-in AUDIO CONN [U122E]
HDD CONN [U1218]
AV control unit malfunction is detected.
• If the music box function has no mal-
functions, then there is a possibility of
the detection of a temporary malfunc-
tion.
• Replace the AV control unit if the mal-
function occurs constantly.
Refer to
AV-212, "Removal and Installa-
HDD READ [U1219]
HDD WRITE [U121A]
HDD COMM [U121B]
HDD ACCESS [U121C]
GPS COMM [U1204]
GPS malfunction is detected.
• An intermittent error caused by strong
radio interference may be detected un-
less any symptom (GPS reception error,
etc.) occurs.
• Replace the AV control unit if the mal-
function occurs constantly.
Refer to
AV-212, "Removal and Installa-
GPS ROM [U1205]
GPS RAM [U1206]
GPS RTC [U1207]
USB CONTROLLER [U1225]
USB connection malfunction is detected.
Check that the connection to the USB con-
nector is normal.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-41
< SYSTEM DESCRIPTION >
C
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DSP CONN [U121D]
AV control unit malfunction is detected.
• If a disc can be played, then there is a
possibility of the detection of a tempo-
rary malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
Refer to
AV-212, "Removal and Installa-
.
DSP COMM [U121E]
DVD COMM [U1227]
AV control unit malfunction is detected.
• If DVD can be played, then there is a
possibility of the detection of a tempo-
rary malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
Refer to
AV-212, "Removal and Installa-
.
CONFIG UNFINISH [U122A]
The writing of configuration data is incom-
plete.
Write configuration data with CONSULT-
III.
ST ANGLE SEN CALIB [U1232]
Predictive course line center position ad-
justment of the steering angle sensor is in-
complete.
Adjust the predictive course line center po-
sition of the steering angle sensor.
Refer to
.
FRONT DISP CONN [U1243]
When either one of the following items are
detected:
• front display unit power supply and
ground circuits are malfunctioning.
• serial communication circuits between
AV control unit and front display unit are
malfunctioning.
• Front display unit power supply and
ground circuits.
• Serial communication circuits between
AV control unit and front display unit.
GPS ANTENNA CONN [U1244]
GPS antenna connection malfunction is
detected.
Check the connection of the GPS antenna
connector.
• AV COMM CIRCUIT [U1300]
• VIDEO DIST CONN [U1246]
When either one of the following items are
detected:
• video distributor power supply and
ground circuits are malfunctioning.
• headrest display unit LH power supply
and ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and headrest display unit LH
are malfunctioning.
• location recognition signal circuit be-
tween headrest display unit LH and
ground is malfunctioning.
• Video distributor power supply and
ground circuits.
• Headrest display unit LH power supply
and ground circuits.
• AV communication circuits between AV
control unit and headrest display unit
LH.
• Location recognition signal circuit be-
tween headrest display unit LH and
ground.
3RD DISP CONN [U125A]
When either one of the following items are
detected:
• headrest display unit RH power supply
and ground circuits are malfunctioning.
• AV communication circuits between
headrest display unit LH and headrest
display unit RH are malfunctioning.
• location recognition signal circuit be-
tween headrest display unit RH and
ground is malfunctioning.
• Headrest display unit RH power supply
and ground circuits.
• AV communication circuits between
Headrest display unit LH and headrest
display unit RH.
• Location recognition signal circuit be-
tween headrest display unit RH and
ground.
XM ANTENNA CONN [U1258]
Satellite radio antenna connection mal-
function is detected.
Satellite radio antenna disconnection.
USB OVERCURRENT [U1263]
Detection of overcurrent in USB connect-
er.
Check USB harness between the AV con-
trol unit and USB connector.
ANTENNA AMP TERMINAL
[OPEN or SHORT]
[U1264]
Radio antenna amp. ON signal circuit mal-
function is detected.
Radio antenna amp. ON signal circuit be-
tween AV control unit and antenna amp.
AMP ON TERMINAL
[GND-SHORT or VB-SHORT]
[U1265]
BOSE amp. ON signal circuit malfunction
is detected.
BOSE amp. ON signal circuit between AV
control unit and BOSE amp.
Error item
Description
Possible malfunction factor/Action to take
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