Infiniti FX35, FX50 (S51). Manual — part 102
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-181
< SYSTEM DESCRIPTION >
[NAVIGATION (SINGLE MONITOR)]
C
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• If there is a malfunction with the GPS antenna circuit board in the AV control unit, the correct date and time
of occurrence may not be able to be displayed.
• Place of the error occurrence is represented by the position of the current location mark at the time an error
occurred. If current location mark has deviated from the correct position, then the place of the error occur-
rence cannot be located correctly.
• The frequency of occurrence is displayed in a count up manner. The actual count up method differs depend-
ing on the error item.
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 the
condition 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 if
the 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 according to the cause. If some error items are displayed
simultaneously, the detection of the cause can be performed by the combination of display items
Display type of occur-
rence frequency
Error history display item
Count up method A
CAN communication line, control unit (CAN), AV communication line, control unit (AV)
Count up method B
Other than the above
JPNIA1788GB
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT
CAN communication malfunction is detect-
ed.
Perform diagnosis with CONSULT-III, and
then repair the malfunctioning parts accord-
ing to the diagnosis results.
Refer to
AV-182
< SYSTEM DESCRIPTION >
[NAVIGATION (SINGLE MONITOR)]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
CONTROL UNIT (CAN)
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit if the malfunc-
tion occurs constantly.
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
Connection of G Sensor
CAN Controller Memory Error
Bluetooth Module Connection Error
Sub CPU Connection Error
iPod authentification chip error
Audio connection error
DSP Connection Error
AV control unit malfunction is detected.
• If a disc can be played, then there is a
possibility of the detection of a temporary
malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
DSP Communication Error
HDD Connection Error
AV control unit malfunction is detected.
• If the music box function has no malfunc-
tions, then there is a possibility of the de-
tection of a temporary malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
HDD Read Error
HDD Write Error
HDD Communication Error
HDD Access Error
GPS Communication Error
GPS malfunction is detected.
An intermittent error caused by strong radio
interference may be detected unless any
symptom (GPS reception error, etc.) oc-
curs.
Replace the AV control unit if the malfunc-
tion occurs constantly.
GPS ROM Error
GPS RAM Error
GPS RTC Error
Unfinished configuration
The writing of configuration data is incom-
plete.
Write configuration data with CONSULT-III.
USB Controller Communication Error
USB connection malfunction is detected.
Check that the connection to the USB con-
nector is normal.
DVD Mechanism Communication Error
AV control unit malfunction is detected.
• If DVD can be played, then there is a
possibility of the detection of a temporary
malfunction.
• Replace the AV control unit if the mal-
function occurs constantly.
Steer. Angle Sensor Calibration
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
AV-185, "CONSULT - III Function
Front Display Connection Error
When either one of the following items are
detected:
• front display unit power supply and
ground circuits malfunction is detected.
• malfunction is detected in communica-
tion circuits between AV control unit and
front display unit.
• Front display unit power supply and
ground circuits.
• Communication circuits between AV con-
trol unit and front display unit.
GPS Antenna Error
GPS antenna connection malfunction is de-
tected.
Check the connection of the GPS antenna
connector.
XM Antenna Connection Error
Satellite radio antenna connection malfunc-
tion is detected.
Satellite radio antenna disconnection.
USB electric current Error
Detection of overcurrent in USB connector.
Check USB harness between the AV con-
trol unit and USB connector.
Error item
Description
Possible malfunction factor/Action to take
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-183
< SYSTEM DESCRIPTION >
[NAVIGATION (SINGLE MONITOR)]
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Speaker Test
Select “SPEAKER DIAGNOSIS” to display the Speaker Diagnosis
screen. Press “Start” to generate a test tone in a speaker. Press
“Start” to generate a test tone in the next speaker. Press “Stop” to
stop the test tones.
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” is pressed.
NOTE:
• AV COMM CIRCUIT
• Switches Connection Error
When either one of the following items are
detected:
• multifunction switch power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
• Multifunction switch power supply and
ground circuits.
• AV communication circuits between AV
control unit and multifunction switch.
• AV COMM CIRCUIT
• AVM Connection Error
When either one of the following items are
detected:
• around view monitor control unit power
supply and ground circuits are malfunc-
tioning.
• AV communication circuits between mul-
tifunction switch and around view moni-
tor control unit are malfunctioning.
• Around view monitor control unit power
supply and ground circuits.
• AV communication circuits between mul-
tifunction switch and around view moni-
tor control unit.
• AV COMM CIRCUIT
• AVM Sonar Connection Error
When either one of the following items are
detected:
• sonar control unit power supply and
ground circuits are malfunctioning.
• AV communication circuits between AV
control unit and sonar control unit are
malfunctioning.
• Sonar control unit power supply and
ground circuits.
• AV communication circuits between AV
control unit and sonar control unit.
• AV COMM CIRCUIT
• Switches Connection Error
• AVM Connection Error
AV communication circuits between AV
control unit and multifunction switch are
malfunctioning.
AV communication circuits between AV
control unit and multifunction switch.
Error item
Description
Possible malfunction factor/Action to take
JPNIA1828ZZ
Items
Display (Current)
Malfunction counter
(Past)
Tx(HVAC)
OK / ???
OK / 0 – 39
Rx(ECM)
OK / ???
OK / 0 – 39
Rx(Cluster)
OK / ???
OK / 0 – 39
Rx(HVAC)
OK / ???
OK / 0 – 39
Rx(USM)
OK / ???
OK / 0 – 39
Rx(TPMS)
OK / ???
OK / 0 – 39
Rx(STRG)
OK / ???
OK / 0 – 39
JSNIA2391ZZ
AV-184
< SYSTEM DESCRIPTION >
[NAVIGATION (SINGLE MONITOR)]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
“???” indicates UNKWN.
AV COMM Diagnosis
• 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 Cont.
AV-189, "On Board Diagnosis Function"
Delete Unit Connection Log
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
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
JSNIA2492ZZ
JSNIA2183ZZ
JSNIA2189ZZ
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