Nissan Pathfinder. Manual — part 97
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-215
< SYSTEM DESCRIPTION >
[MID AUDIO WITH BOSE]
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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 Diag-
nosis 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 com-
pleted. Unit names and connection lines are color coded accord-
ing to diagnostic results.Control Unit (AV control unit) is
displayed in red.
1: Control Unit (AV control unit) is displayed in red.
ALNIA1450ZZ
SKIB3961E
JSNIA2528ZZ
Diagnosis results
Unit
Connection line
Normal
Green
Green
Connection malfunction
Gray
Yellow
Unit malfunction
1
Red
Green
AV-216
< SYSTEM DESCRIPTION >
[MID AUDIO WITH BOSE]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
• Replace AV control unit if Self Diagnosis did not run because control unit malfunction is indicated. The symptom is AV control
unit internal error. Refer to
AV-365, "Removal and Installation"
• If multiple errors occur at the same time for a single unit, the screen switch colors are determined according to the following order
of priority: red > gray.
4. Comments of self diagnosis results can be viewed in the diagno-
sis result screen.
AV Control Unit Self Diagnosis Results
AV Control Unit Confirmation/Adjustment
1. Select Confirmation/Adjustment.
JSNIA0141GB
Only Unit Part Is Displayed In Red
Screen switch
Description
Possible cause
Control unit
Malfunction is detected in AV control unit
power supply or ground circuit.
• AV control unit power supply or ground
circuits. Refer to
• If no malfunction is detected in AV control
unit power supply and ground circuits, re-
place AV control unit. Refer to
A Connecting Cable Between Units Is Displayed In Yellow
Area with yellow connection lines
Description
Possible cause
Control unit
⇔ Front Display
Malfunction is detected in serial communi-
cation circuits between AV control unit and
display unit.
Serial communication circuits between AV
control unit and display unit. Refer to
.
Control unit
⇔ SAT
When any of the following is detected:
• satellite radio tuner power supply or
ground circuit malfunction.
• communication circuit malfunction be-
tween AV control unit and satellite radio
tuner.
• request signal circuit malfunction be-
tween AV control unit and satellite radio
tuner.
• Satellite radio tuner power supply or
ELLITE RADIO TUNER : Diagnosis Pro-
cedure"
.
• Communication circuit between AV con-
trol unit and satellite radio tuner. Refer to
• Request signal circuit between AV con-
trol unit and satellite radio tuner. Refer to
Control unit
⇔ BTHF
When any of the following is detected:
• Bluetooth
®
control unit power supply or
ground circuit malfunction.
• AV communication circuit malfunction
between AV control unit and Bluetooth
®
control unit.
• Bluetooth
®
control unit power supply or
ground circuits. Refer to
TOOTH® CONTROL UNIT : Diagnosis
Procedure"
• AV communication circuits between AV
control unit and Bluetooth
®
control unit.
AV
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
AV-217
< SYSTEM DESCRIPTION >
[MID AUDIO WITH BOSE]
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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.
Display Diagnosis
Vehicle Signals
A comparison check can be made of each actual vehicle signal and
the signals recognized by the system.
Speaker Test
AWNIA2562GB
JSNIA2233GB
JSNIA0149GB
AV-218
< SYSTEM DESCRIPTION >
[MID AUDIO WITH BOSE]
DIAGNOSIS SYSTEM (AV CONTROL UNIT)
Select Speaker Test to display the Speaker Diagnosis screen. Press
Start to generate a test tone in a speaker. Press Start again to gener-
ate 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.
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.
Count up method A
• 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.
Count up method B
• 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
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)
Count up method B
Other than the above
JSNIA0151GB
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