Infiniti G35 (V35) Sedan. Manual — part 63
AV-24
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Select “SPEAKER DIAGNOSIS” to display the Speaker Diagnosis
screen. Press “START and NEXT” to generate a test tone in a
speaker. Press “Start” to generate a test tone in the next speaker.
Press “End” to stop the test tones.
NOTE:
The frequency of test tone emitted from each speaker is as follows.
Climate Control
Refer to “HEATER & AIR CONDITIONING CONTROL SYSTEM” for details.
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.
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
Tweeter
: 3 kHz
Front door speaker
: 300 Hz
Rear door speaker
: 1 kHz
JSNIA0150GB
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
JSNIA0151GB
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-25
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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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
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-26, "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
CAN Controller Memory 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
• Communication circuit between display
unit and AV control unit
SAT Connection Error
• Satellite radio tuner power supply and
ground circuit malfunction is detected
• Malfunction is detected on communica-
tion signal between satellite radio tuner
and AV control unit
Satellite radio tuner power supply and
ground circuit
• AV COMM CIRCUIT
• Switches Connection Error
• Multifunction switch power supply and
ground circuit malfunction is detected
• A malfunction is detected in communica-
tion circuit between AV control unit and
multifunction switch
• A malfunction is detected in communica-
tion signal between AV control unit and
multifunction switch
• Multifunction switch power supply and
ground circuits
• Communication circuit between AV con-
trol unit and multifunction switch
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
JSNIA0080GB
AV-26
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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.
• If it resets, the error counter is erased.
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
Initializes the AV control unit memory.
CONSULT - III Function
INFOID:0000000000964529
CONSULT-III functions
CONSULT-III performs the following functions via the communication with the AV control unit.
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.
Items
Status
(Current)
Counter
(Past)
C Tx (ITM–SW)
OK / UNKWN
OK / 0 - 39
C Rx (PrimarySW–ITM)
OK / UNKWN
OK / 0 - 39
C Rx (XM–ITM)
—
—
JSNIA0213GB
JSNIA0154GB
JSNIA0155GB
Diagnosis mode
Description
SELF-DIAG RESULTS
Performs the connection diagnosis of communication circuit between AV control unit and navi-
gation system and displays the current and past malfunctions collectively.
DATA MONITOR
The diagnosis of vehicle signal that is input to the AV control unit can be performed.
AV COMM MONITOR
The communication status of navigation system can be monitored.
ECU PART NUMBER
The part number of AV control unit can be checked.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-27
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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Self-diagnosis detection range
Self-diagnosis results display item
DATA MONITOR
ALL SIGNALS
• Displays the status of the following vehicle signals inputted to the AV control unit.
• For each signal, actual signal can be compared with the condition recognized on the system.
JSNIA0214GB
Error item
Description
Possible malfunction factor/Action to take
CAN COMM CIRCUIT [U1000]
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-26, "CONSULT - III Function"
.
CONTROL UNIT (CAN) [U1010]
CAN initial diagnosis malfunction is detect-
ed
Replace the AV control unit
CONTROL UNIT (AV) [U1310]
AV communication circuit initial diagnosis
malfunction is detected
Control Unit FLASH-ROM [U1200]
AV control unit malfunction is detected
CAN CONT [U1216]
FRONT DISP CONN [U1243]
• 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
• Communication circuit between display
unit and AV control unit
SAT CONN [U1255]
• Satellite radio tuner power supply and
ground circuit malfunction is detected
• Malfunction is detected on communica-
tion signal between satellite radio tuner
and AV control unit
Satellite radio tuner power supply and
ground circuit
• AV COMM CIRCUIT [U1300]
• SWITCHE CONN [U1240]
• Multifunction switch power supply and
ground circuit malfunction is detected
• A malfunction is detected in communica-
tion circuit between AV control unit and
multifunction switch
• A malfunction is detected in communica-
tion signal between AV control unit and
multifunction switch
• Multifunction switch power supply and
ground circuits
• Communication circuit between AV con-
trol unit and multifunction switch
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