Display Function With Audio Unit

WARNING: This page is about a different car, the 2010 Mazda RX-8. However, it is still accessible from the selected car via links, so may be relevant.

When the self-diagnostic function is activated, the information display displays the DTC stored in the memory.
The DTC consists of the following codes and numbers:

Malfunction type
Number of times the ignition switch has been turned off after the occurrence of an error
Device code
Error code

Go to the appropriate service information for the display method.

Fig 1: Identifying Audio Unit Code Display

Courtesy of MAZDA MOTORS CORP.