Reading and Clearing Diagnostic Trouble Codes

Self-Diagnosis Mode

OPERATION PROCEDURES




1. Start the engine.
2. Turn the audio system off.
3. While pressing the"SCAN"button, turn the volume control dial clockwise or counterclockwise for 30 clicks or more. When the self-diagnosis mode is started a short beep will be heard.




4. When the self-diagnosis mode is started all of the display segments will be illuminated.

VERSION CHECK




1. Press the "AUDIO" switch to enter version diagnostics. Press "AUDIO" switch again to display the "Software Ver:" (audio software version).




2. Press "AUDIO" switch again to display the "Hardware Ver:" (audio hardware version).




3. Press "AUDIO" switch again to display the "CD Mech Ver:" (CD mechanism version).




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




CHANNEL CHECK DIAGNOSTICS
Press the "TUNE" up switch to enter channel check diagnostics. The self-diagnosis function will then display each of the four channels FL, FR, RL, RR) for 1 second while sending a tone to each channel displayed.




BUTTON CHECK DIAGNOSTICS
Press the "TUNE" down switch to enter button check diagnostics. Pressing each individual switch will display that switch's name.

CAN CHECK DIAGNOSTICS




1. Press and hold the "AUDIO" switch for more than 1.5 seconds to enter "CAN check diagnostics". Pressing the "AUDIO" switch again will toggle through "ECM", "METER", and "BCM".
- If a current diagnostic result is detected "UN" will be displayed under the heading PR (present)
- If no current diagnostic result is detected "OK" will be displayed under the heading PR (present)
- If a past diagnostic result is detected 39 - 0 will be displayed under the heading PA (past), indicating the number of key cycles since that diagnostic result was detected







2. Pressing "AUDIO" again will display "Do You Want To Delete?" If you do not wish to delete any diagnostic results, or no diagnostic results exist, pressing "AUDIO" again will display "Key Failure 1 Not Found"After 6 seconds the display will return to the CAN check diagnostics screen.




3. To delete diagnostic items press "to display all diagnostic items then press "TUNE" up/down to select the desired diagnostic item, "Deletion #" will be displayed.




4. Press and hold the "SCAN" switch for more than 6 seconds to delete the desired diagnostic item. "Failure Data Reset" will be displayed, followed by a return to the "CAN check diagnostics" screen.