Nissan Maxima Service and Repair Manual: Diagnosis system (audio unit)
Diagnosis Description
Self-diagnosis mode can perform the following items.
- Versions display
- Channel check diagnosis
- Key check diagnosis
- AV communication diagnosis
VERSIONS DISPLAY FUNCTION
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- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing "1" button, turn volume control dial clockwise or
counterclockwise for 30 clicks or more.
- Diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All
icons and segments of the audio display unit are turned on.
- Pressing the AUDIO switch briefly displays the version display mode.
Pressing the AUDIO switch briefly switches to each version display.
Pressing and holding the AUDIO switch when displaying each software
version returns to the diagnosis default screen.
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
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CHANNEL CHECK DIAGNOSIS FUNCTION
- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "1" button, turn the volume control dial clockwise
or counterclockwise for 30 clicks or more.
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- The diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All
icons and segments of the audio display unit are turned on.
- Turning the TUNE/FOLDER dial clockwise displays the channel check mode.
Pressing and holding the AUDIO switch during each channel check or
waiting approximately 1 second after finishing all channel checks returns
to the diagnosis default screen.
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
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KEY CHECK DIAGNOSIS FUNCTION
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- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "1" button, turn the volume control dial
clockwise or counterclockwise for 30 clicks or more.
- The diagnosis default screen of audio display unit is displayed.
NOTE: Diagnosis default screen = All
icons and segments of the audio display unit are turned on.
- Turning the TUNE/FOLDER dial counterclockwise displays the key check
mode, and the pressed switch name is shown. Pressing and holding the
AUDIO switch during the key check mode returns to the diagnosis default
screen.
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
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AV COMMUNICATION DIAGNOSIS FUNCTION
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- Turn ignition switch ON.
- Turn the audio unit off.
- While pressing the "6" button, turn the volume control dial
clockwise or counterclockwise for 30 clicks or more.
- Returns to diagnosis default screen and displays "AV DIAGNOSIS".
- Pressing the AUDIO switch briefly displays the AV communication
diagnosis mode. Pressing the AUDIO switch briefly again switches to each
AV communication display
- Pressing the SEEK up switch displays the confirmation screen of "delete
error record". Press the SEEK down switch if returning from RECORD DEL
YES? to RECORD DEL NO? The item is automatically determined approximately
6 seconds after it is displayed. Then the display returns to AV TROUBLE
DEL display item.
- Self-diagnosis mode is canceled when the ignition switch is turned OFF.
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System Diagram
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