Infiniti G37 Coupe. Manual — part 161
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-397
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
C
D
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F
G
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B
A
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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 start. Check the “Error Record” to detect any error that
may have occurred before the self-diagnosis start because of this situation.
The error record displays the time and place of the most recent occurrence of that error. However, take note of
the following points.
• 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.
JSNIA0089GB
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 communication)
Count up method B
Other than the above
AV-398
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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
JSNIA0079GB
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-403, "CONSULT - III Function
CONTROL UNIT (CAN)
CAN initial diagnosis malfunction is detect-
ed.
Replace the AV control unit.
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
circuits.
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
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-399
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
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B
A
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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” is pressed.
Front Display Connection Error
• Display unit power supply and ground
circuits malfunction is detected.
• Malfunction is detected in communica-
tion circuits between AV control unit and
display unit.
• Malfunction is detected in communica-
tion signal between AV control unit and
display unit.
• Display unit power supply and ground
circuits.
• Communication circuits between AV con-
trol unit and display unit.
GPS Antenna Error
GPS antenna connection malfunction is de-
tected.
GPS antenna.
Camera Control Unit Connection Error
Malfunction is detected in camera connec-
tion recognition circuit between AV control
unit and camera control unit.
Camera-connection recognition circuit be-
tween AV control unit and camera control
unit.
XM Antenna Connection Error
Poor connection is detected in satellite ra-
dio antenna.
• Satellite radio antenna feeder.
• Satellite radio antenna.
• AV COMM CIRCUIT
• Internal Communication Error
• AV control unit power supply and ground
circuits malfunction detected.
• AV control unit malfunction is detected.
AV control unit power supply and ground
circuits.
• AV COMM CIRCUIT
• Switches Connection Error
• Multifunction switch power supply and
ground circuits malfunction is detected.
• Malfunction is detected in AV communi-
cation circuit between AV control unit and
multifunction switch.
• Malfunction is detected in AV communi-
cation signal between AV control unit and
multifunction switch.
• Multifunction switch power supply and
ground circuits.
• AV communication circuit between AV
control unit and multifunction switch.
• AV COMM CIRCUIT
• Rearview Camera Connection Error
• Camera control unit power supply and
ground circuits malfunction is detected.
• Malfunction is detected in AV communi-
cation signal between AV control unit and
camera control unit.
Camera control unit power supply and
ground circuits.
• AV COMM CIRCUIT
• iPod Connection Error
• iPod adapter power supply and ground
circuits malfunction is detected.
• Malfunction is detected in AV communi-
cation circuits between camera control
unit and iPod adapter.
• Malfunction is detected in AV communi-
cation signal between AV control unit and
iPod adapter.
• iPod adapter power supply and ground
circuits.
• AV communication circuits between AV
control unit and iPod adapter.
• AV COMM CIRCUIT
• Rearview Camera Connection Error
• iPod Connection Error
Malfunction is detected in AV communica-
tion circuits between camera control unit
and the junction of AV control unit and mul-
tifunction switch.
AV communication circuits between cam-
era control unit and the junction of AV con-
trol unit and multifunction switch.
• AV COMM CIRCUIT
• Switches Connection Error
• Rearview Camera Connection Error
• iPod Connection Error
Malfunction is detected in AV communica-
tion circuits between AV control unit and the
junction of camera control unit and multi-
function switch.
AV communication circuits between AV
control unit and the junction of camera con-
trol unit and multifunction switch.
Error item
Description
Possible malfunction factor/Action to take
JSNIA0080GB
AV-400
< FUNCTION DIAGNOSIS >
[BOSE AUDIO WITH NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
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:
• Any units with “—” displayed have no history of vehicle connection.
• “Audio” and “Amp” indicate the same status because “Amp” indicates the status of the amplifier integrated in the AV control unit.
• “STRG SW”, “Amp”“XM” indicate the same status as “Audio”.
Hands-Free Phone
The hands-free phone reception volume adjustment, microphone
and speaker test, and memory erase functions are also available.
Camera Cont.
The two functions of “Connection Confirmation” and “Adjust Offset of Rear View Camera” are available.
CONNECTION CONFIRMATION
Items
Display (Current)
Malfunction counter
(Past)
Tx (HVAC)
OK / UNKWN
OK / 0 – 39
Rx (ECM)
OK / UNKWN
OK / 0 – 39
Rx (Cluster)
OK / UNKWN
OK / 0 – 39
Rx (BCM)
OK / UNKWN
OK / 0 – 39
Rx (HVAC)
OK / UNKWN
OK / 0 – 39
Rx (USM)
OK / UNKWN
OK / 0 – 39
Items
Status
(Current)
Counter
(Past)
C Tx(ITM–PrimarySW)
OK / UNKWN
OK / 0 – 39
C Rx(PrimarySW–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(STRG SW–ITM)
OK / UNKWN
OK / 0 – 39
C Rx (Audio–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(Amp–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(RearCamera–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(XM–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(iPod–ITM)
OK / UNKWN
OK / 0 – 39
C Rx(Amp–Audio)
—
—
C Rx(iPod–Audio)
OK / UNKWN
OK / 0 – 39
C Tx(Audio–ITM)
OK / UNKWN
OK / 0 – 39
JSNIA0081GB
JSNIA0083GB
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