Av Control Unit Self Diagnosis

Select Self Diagnosis.
Self diagnosis screen is displayed. The bar graph visible in center of screen indicates progress of self diagnosis.

Diagnosis results are displayed after the self - diagnosis is completed. The unit names and the connection lines are color - coded according to the diagnostic results.

Diagnosis results	Unit	Connection line
Normal	Green	Green
Connection malfunction	Gray	Yellow
Unit malfunction ¹	Red	Green

1: Control Unit (AV control unit) is displayed in red.

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 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.