Base Audio

DIAGNOSIS SYSTEM (AV CONTROL UNIT)

On Board Diagnosis Function


METHOD OF STARTING

A/C and AV Switch Assembly Self Diagnosis





- Press the BACK and UP 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 switches illuminate, and the self-diagnosis mode begins.
- The ON position continuity of each switch can be checked by pressing the switch. The buzzer sounds if continuity is present.
- The self diagnosis mode is canceled when the ignition switch is turned OFF.
AV Control Unit Self Diagnosis
1.Turn the ignition ON.
2.Turn the audio system OFF.
Revision: March 20122013 Infiniti JX





3.While pressing the SETTING button, turn the volume control dial clockwise or counterclockwise for 40 clicks or more. When self-diagnosis mode begins, 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 Self Diagnosis or Confirmation/Adjustment can be selected.

SELF DIAGNOSIS MODE

AV Control Unit Self Diagnosis
1.Select Self Diagnosis.
2.Self diagnosis screen is displayed. The bar graph visible in center of screen indicates progress of self diagnosis.





3.Diagnosis results are displayed after self diagnosis is completed. Unit names and connection lines are color coded according to diagnostic results.Control Unit (AV control unit) is displayed in red.





Revision: March 20122013 Infiniti JX





4.Comments of self diagnosis results can be viewed in the diagnosis result screen.
AV Control Unit Self Diagnosis Results





AV Control Unit Confirmation/Adjustment
1.Select Confirmation/Adjustment.





2.Select each switch on the Confirmation/Adjustment screen to display the relevant trouble diagnosis screen. Press the BACK
switch to return to the initial Confirmation/Adjustment screen.
Revision: March 20122013 Infiniti JX
Display Diagnosis





Vehicle Signals





A comparison check can be made of each actual vehicle signal and the signals recognized by the system.
Speaker Test





Select Speaker Test to display the Speaker Diagnosis screen. Press
Start to generate a test tone in a speaker. Press Start again to generate a test tone in the next speaker. Press End to stop the test tones.
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.
Revision: March 20122013 Infiniti JX
However, the diagnosis results are judged normal if an error has occurred before the ignition switch 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 frequency of occurrence is displayed in a count up manner. The actual count up method differs depending on the error item.
- The counter resets to 0 if an error occurs when ignition switch is turned ON. The counter increases by 1 if the condition is normal at a next ignition 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.
- The counter increases by 1 if an error occurs when ignition switch is ON. The counter will not decrease even if the condition is normal at the next ignition 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.










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





Revision: March 20122013 Infiniti JX

Camera Cont.





The two functions of "Correct Draw Line of Rear view Cam", "Confirm Configuration" are available.





- Use this mode to adjust the guide line display position of the rear view monitor if necessary after removing the rear view monitor camera.

CAUTION:
After the adjustment, never perform other operations for one minute.
Revision: March 20122013 Infiniti JX





- Configuration stored in the AV control unit can be checked.
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.





NOTE:
"???" indicates UNKWN.
AV COMM Diagnosis





- Displays the communication status between AV control 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:
"???" indicates UNKWN.
Delete Unit Connection Log
Revision: March 20122013 Infiniti JX





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





"User Data Initialization" and "Accessory Number Initialization" are possible.

CAUTION:
- Never perform Accessory Number Initialization except when configuration is unsuccessful.
- Accessory Number Initialization requires configuration.