Operation Procedure

1. Turn ignition switch to the ACC position.
2. Turn the audio unit off.
3. While pressing the "AUDIO" button, turn the volume control dial clockwise or counterclockwise 30 clicks or more. When the self-diagnosis mode is started, a short beep will be heard.
   Fig 1: Turning Volume Control Dial Clockwise Or Counterclockwise

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4. Initially, all display segments will be illuminated.

Fig 2: Audio Display Segments

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Version Check 

1. Press the "AUDIO" switch to enter version diagnostics. "Software" (audio software version) is displayed.
   Fig 3: Identifying Audio Software Version Screen Display

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2. Press the "AUDIO" switch again to display the "Hardware" (audio hardware version).
   Fig 4: Audio Display - Audio Hardware Version

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3. Press the "AUDIO" switch again to display the "CD Mech" (CD mechanism version).
   Fig 5: Identifying CD Mechanism Version Screen Display

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4. Press the "AUDIO" switch again to display the "SDARS" (satellite radio version).

Fig 6: Identifying Satellite Radio Version Screen Display

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Channel Check Diagnostics 

When all segments are illuminated, press the "TUNE" up switch to enter channel check diagnostics. The self-diagnostic function will then send a tone to each channel (FL, RL, RR, FR) for 1 second.

Fig 7: Audio Display - Channel Check

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Button Check Diagnostics

When all segments are illuminated, press the "TUNE" down switch to enter button check diagnostics. When each audio unit switch is pressed, a tone will sound and the switch name will be displayed.

Fig 8: Audio Display - Button Check

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