Am rasfoit acuma manualul de reparatie si am gasit cum se face diacnosticarea sitemului audio dar si a ecranului LCD.
Maine ii fac proba sa vad ce zice ca ar fi.
How to Troubleshoot the Audio System
The audio system has a self-diagnostic function. To run self-diagnostic function, do the following:

How to check for audio system condition

NOTE: The audio unit must be in the code enter screen before performing the self-diagnostic procedure.



1. Turn the ignition switch to the ACC (I) or ON (II) position.





2. Turn on the audio unit.





3. Push and hold the ‘‘No. 1'' and ‘‘No. 6'' buttons. While holding the buttons, push the ‘‘VOL push PWR'' knob (A) to ON. Release the buttons and the self-diagnostic function will begin.






Without navigationWith navigationAA





4. By pressing a preset button, the input will trigger the diagnostic mode that is assigned to that preset switch.

‘‘No. 3'' button
Entire LCD lighting/light-out mode: Turns on/off the entire LCD to show the presence or absence of an LCD failure.

‘‘No. 4'' button
Duty (for the Illumination dim) indication mode: Indicates the duty for the Illumination dim.

‘‘No. 5'' button
Vehicle speed pulse indication mode: Indicates the Vehicle speed pulse.

‘‘FM'' button (Push and hold 2 sec.)
Reception level check mode: Indicates the reception level. When entering the reception level check mode, the AM/FM button is used to change the main/sub antenna.




5. The self-diagnostic function will end when the audio unit is turned off, or the ignition switch is turned off.


Display Specifications




Entry LCD lighting
No. 3 buttonWithout navigation systemWith navigation system






Entry LCD lights-outs
No. 3 buttonWithout navigation systemWith navigation system






Duty (for the illumination) indication
No. 4 buttonWithout navigation systemWith navigation system






Vehicle speed pulse indication
No. 5 buttonWithout navigation systemWith navigation system






Reception level indication
FM buttonWithout navigation systemWith navigation system




How to check for speaker



1. Turn on the audio unit.





2. Push and hold the ‘‘No. 1'' and ‘‘No. 3'' buttons. While holding the buttons, push the ‘‘VOL push PWR'' knob to ON. Release the buttons and the speaker check mode will begin. Low-Frequency hum should sound for one speaker. Change the test speaker by push the ‘‘SKIP'' button. If find no sound speaker(s), check the speaker, and harness.





3. The self-diagnostic function will end when the audio unit is turned off, or the ignition switch is turned off.