Nissan Maxima. Manual — part 93
AV-192
< SYSTEM DESCRIPTION >
[COLOR DISPLAY - W/O BOSE]
HANDS-FREE PHONE SYSTEM
Component Description
INFOID:0000000010064828
1.
Tweeter LH M143
2.
Tweeter RH M144
3.
AV control unit M115, M116, M117,
M118, M119, M120, M121 (located
behind A/C and AV switch assembly)
4.
Display unit M141
5.
A/C and AV switch assembly M98
6.
Steering angle sensor M53 [located
in steering column behind combina-
tion switch (spiral cable)]
7.
Steering wheel audio control switch-
es
8.
USB interface M211 (view in center
console)
9.
Aux jack M209
10. Subwoofer (view under rear parcel
shelf)
LH B16
RH B17
11. Satellite radio tuner B111
12. Bluetooth
®
control unit B125, B130,
B131
13. Subwoofer amp. B21
14. Microphone R7
15. Rear view camera T101
16. Front door speaker
LH D3
RH D103
17. Rear door speaker
LH D202
RH D302
Part name
Description
AV control unit
• Receives telephone voice signal from Bluetooth
®
control unit
• Sends telephone voice and voice guidance signals to the speakers
Front door speaker
Receives telephone voice and voice guidance signals from the AV control unit
Front tweeter
Steering wheel audio control switches
• Start a voice recognition session
• Answer and end telephone calls
• Adjust the volume level
Microphone
Sends voice signals to Bluetooth
®
control unit
Bluetooth
®
control unit
Controls hands-free phone functions
Bluetooth
®
antenna
Sends telephone voice signal to Bluetooth
®
control unit
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-193
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Diagnosis Description
INFOID:0000000010064829
MULTIFUNCTION SWITCH AND PRESET SWITCH SELF-DIAGNOSIS FUNCTION
The ON/OFF operation (continuity) of each switch in the multifunction switch and preset switch can be
checked.
Self-Diagnosis Mode
• Press the BACK switch and the
switch of the 8-direction
switches within 10 seconds after turning the ignition switch from
OFF to ACC and hold them for 3 seconds or more. Then the
buzzer sounds, all indicators of the preset switch illuminate, and
the self-diagnosis mode starts.
• The continuity of each switch at the ON position can be checked
by pressing the switch. The buzzer sounds if the switch is normal.
NOTE:
The disk eject switch cannot be checked.
Finishing Self-diagnosis Mode
Self-diagnosis mode is canceled when the ignition switch is turned OFF.
MULTI AV SYSTEM ON BOARD DIAGNOSIS FUNCTION
• The AV control unit diagnosis function starts up with multifunction switch operation and the AV control unit
performs a diagnosis for each unit in the system during the on board diagnosis.
• Perform a CONSULT diagnosis if the on board diagnosis does not start, e.g., if the screen does not display
anything, the multifunction switch does not function, etc.
ON BOARD DIAGNOSIS
Description
• The trouble diagnosis function has a self-diagnosis mode for conducting trouble diagnosis automatically and
a confirmation/adjustment mode for operating manually.
• Self-diagnosis mode performs the AV control unit diagnosis and the connection diagnosis between each of
the units that make up the system, and it indicates the results to the display.
• The confirmation/adjustment mode allows the technician to check, modify or adjust the vehicle signals and
set values, as well as to monitor the system error records and system communication status. The checking,
modifying or adjusting generally requires human intervention and judgment (the system cannot make judg-
ment automatically).
On Board Diagnosis Item
JSNIA1072GB
Mode
Description
Self-Diagnosis
• AV control unit diagnosis
• Perform the connection diagnosis between each of the units.
AV-194
< SYSTEM DESCRIPTION >
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
STARTING PROCEDURE
1. Start the engine.
2. Turn the audio system OFF.
3. While pressing 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 pressing the 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”.
NOTE:
Because the start condition of diagnosis function is a switch
operation, the on board diagnosis function cannot start up if any
malfunction is detected in the AV communication circuit between
AV control unit and multifunction switch.
-
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 confirmation of the tint with the color spectrum bar display and shad-
ing 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.
Error History (Detailed)
System malfunctions and the frequency when occurring in the past are
displayed. When the malfunctioning item is selected, the time and place
that the selected malfunction last occurred are displayed.
Camera Cont.
The signal connected to camera control unit can be checked and the
guiding line position that overlaps rear view camera image can be adjust-
ed.
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
JSNIA1073GB
AWNIA1735GB
JSNIA0139GB
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-195
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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 > gray.
-
The comments of the self-diagnosis results can be viewed with a
component in the diagnosis result screen.
SELF-DIAGNOSIS RESULTS
Check the applicable display at the following table, and then repair the malfunctioning parts.
NOTE:
Because the start condition of diagnosis function is a switch operation, the on board diagnosis function cannot
be started up if any malfunction is detected in the AV communication circuit between AV control unit and multi-
function switch.
Self-diagnosis Result Chart
Diagnosis results
Unit
Con-
nection
line
Normal
Green
Green
Connection malfunction
Gray
Yellow
Unit malfunction
Note
Red
Green
AWNIA1973GB
AWNIA1960GB
Diagnosis results
Detection logic
Possible malfunction location / Action
to take
Malfunction is detected in AV control
unit power supply and ground circuits.
Check AV control unit power supply
and ground circuits. When detecting no
malfunction in those components, re-
place AV control unit.
NOTE:
When a control unit malfunction is detected (red in
unit display), connection malfunctions with other
connection unit may be displayed.
“Self-Diagnosis did not run because of a control unit
malfunction”
AWNIA1974GB
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