Infiniti G35 (V35) Sedan. Manual — part 62
AV-20
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
STARTING PROCEDURE
1.
Start the engine.
2.
Turn the audio system OFF.
3.
While pushing the “SETTING” button, turn the volume control
dial clockwise or counterclockwise for 40 clicks or more. (When
the self-diagnosis mode is started, a short beep will be heard.)
• Shifting from current screen to previous screen is performed
by pushing “BACK” button.
4.
The trouble diagnosis initial screen is displayed, and then the
items of “Self Diagnosis” and “Confirmation/Adjustment” can be
selected.
Self-diagnosis mode
1.
Start the self-diagnosis function and select “Self-diagnosis”.
-
Self-diagnosis subdivision screen is displayed, and the self-
diagnosis mode starts.
-
The bar graph visible on the center of the self-diagnosis subdivi-
sion screen indicates progress of the trouble diagnosis.
Confirmation/
Adjustment
Display Diagnosis
The confirmations of the tint with the color spectrum bar display and
shading of color with the gradation bar display can be performed.
Vehicle Signals
Diagnosis of signals can be performed for vehicle speed, parking brake,
lights, ignition switch, and reverse.
Speaker Test
The connection of a speaker can be confirmed by test tone.
Climate Control
Start auto air conditioner system self-diagnosis.
Error History
The system malfunction and the frequency when occurred in the past are
displayed. When the malfunctioning item is selected, the time and place
that the selected malfunction last occurred are displayed.
Vehicle CAN Diagnosis
The transmitting/receiving of CAN communication can be monitored.
AV COMM Diagnosis
The communication condition of each unit of Multi AV system can be
monitored.
Delete Unit Connection Log
Erase the connection history of unit and error history
Initialize Settings
Initializes the AV control unit memory.
Mode
Description
JSNIA0137GB
JSNIA0138GB
JSNIA0139GB
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-21
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
2.
Diagnosis results are displayed after the self-diagnosis is com-
pleted. The unit names and the connection lines are color-coded
according to the diagnostic results.
NOTE:
• Only the control unit (AV control unit) is displayed in red.
• Replace AV control unit if “Self-Diagnosis did not run because of a control unit malfunction” is indicated. The symptom is AV con-
trol unit internal error.
-
If multiple errors occur at the same time for a single unit, the screen switch colors are determined accord-
ing to the following order of priority: red > yellow > gray.
-
The comments of the self-diagnosis results can be viewed with a
component in the diagnosis result screen.
Detection range of self-diagnosis mode
• The self-diagnosis mode allows the technician to diagnose the connection in the communication line
between AV control unit and each unit and the internal operation of the AV control unit.
• Because the start condition of diagnosis function is a switch operation, the on board diagnosis function can-
not be started up if any malfunction is detected in the communication circuit between AV control unit and
multifunction switch.
Self-diagnosis results
Check the applicable display at the following table, and then repair the malfunctioning parts.
Self-diagnosis result chart
Diagnosis results
Unit
Con-
nection
line
Normal
Green
Green
Connection malfunction
Gray
Yellow
Unit malfunction
Note
Red
Green
JSNIA0209GB
JSNIA0141GB
JSNIA0210GB
AV-22
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
COMFIRMATION/ADJUSTMENT MODE
1.
Start the diagnosis function and select “Confirmation/Adjustment”. The confirmation/adjustment mode
indicates where each item can be checked or adjusted.
2.
Select each switch on the “Inspection & Adjustment Mode”
screen to display the relevant trouble diagnosis screen. Press
the “RETURN” switch to return to the initial Inspection & Adjust-
ment Mode screen.
Area with yellow connection lines
Description
Possible malfunction location / Action
to take
AV control unit malfunction is detected
Replace the AV control unit
Satellite radio tuner power supply and
ground circuit malfunction is detected
Satellite radio tuner power supply and
ground
JSNIA0211GB
JSNIA0212GB
JSNIA0147GB
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-23
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
C
D
E
F
G
H
I
J
K
L
M
B
N
A
O
P
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.
Speaker Test
JSNIA0148GB
R (red) signal error
: Light blue (Cyan) tint
G (green) signal error
: Purple (Magenta) tint
B (blue) signal error
: Yellow tint
JSNIA0149GB
Diagnosis item
Display
Vehicle status
Remarks
Vehicle speed
ON
Vehicle speed > 0 km/h
Changes in indication may be delayed by approximate-
ly 1.5 seconds. This is normal.
OFF
Vehicle speed = 0 km/h
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 approximate-
ly 1.5 seconds. This is normal.
OFF
Selector lever in any position other
than R
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