Infiniti G37 Coupe. Manual — part 66
AV
AUDIO SYSTEM
AV-17
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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Component Parts Location
INFOID:0000000001685798
Component Description
INFOID:0000000001559124
1.
Tweeter LH
2.
Door speaker LH
3.
Antenna amp.
4.
Rear speaker LH
5.
Satellite radio tuner
6.
Rear speaker RH
7.
Satellite radio antenna
8.
Door speaker RH
9.
Tweeter RH
10. Display unit
11. Steering switch
12. Preset switch
13. Auxiliary input jacks
14. AV control unit
15. Multifunction switch
A.
Within rear pillar finisher LH
B.
Trunk room RH
JPNIA0466ZZ
Part name
Description
AV CONTROL UNIT
• The AM/FM receiving function and the CD playing function are equipped.
• Outputs the audio signal from each function to each speaker.
DISPLAY UNIT
• Display image is controlled by the serial communication from AV control unit.
• RGB image signal (audio operation condition) is input from AV control unit.
DOOR SPEAKER
• Outputs sound signal from AV control unit.
• Outputs high, mid and low range sounds.
REAR SPEAKER
• Outputs sound signal from AV control unit.
• Outputs high, mid and low range sounds.
TWEETER
• Outputs sound signal from AV control unit.
• Outputs high range sound.
MULTIFUNCTION SWITCH
• Each audio operation can be operated.
• Connected with preset switch via cable, and operation signal is transmitted
to AV control unit via AV communication.
AV-18
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
AUDIO SYSTEM
PRESET SWITCH
• Each audio and air conditioner operation can be operated.
• Connected with multifunction switch via cable, and operation signal is trans-
mitted to AV control unit via AV communication.
• The CD ejection operating signal is performed by hardwire
STEERING SWITCH
• Each audio operation can be operated.
• Steering switch signal (operation signal) is output to AV control unit.
ANTENNA AMP.
• Radio signal received by glass antenna is amplified and transmitted to AV
control unit.
• Power (antenna amp ON signal) is supplied from AV control unit.
Part name
Description
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-19
< FUNCTION DIAGNOSIS >
[BASE AUDIO WITHOUT NAVIGATION]
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DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Diagnosis Description
INFOID:0000000001559125
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 “UP” switch of the 4-direction
switches within 10 seconds after turning the ignition switch from
OFF to ACC and hold them for 3 seconds or more. 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.
CAUTION:
The hazard switch and CD eject switch cannot be checked.
Finishing self-diagnosis mode
Self-diagnosis mode is canceled when turning the ignition switch 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-III diagnosis if the on board diagnosis does not start, e.g., 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 actions generally require human intervention and judgment (the system cannot make
judgment automatically).
On board diagnosis item
JSNIA0136GB
Mode
Description
Self-Diagnosis
• AV control unit diagnosis.
• Perform the connection diagnosis between each of the units.
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 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 “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”.
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Self-diagnosis subdivision screen is displayed, and the self-
diagnosis mode starts.
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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 occurring 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
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