Patent ID: 8706278

Claim:
A system for implementing a diagnostic test for a non-bussed amplifier of a vehicle, the system comprising: a computer processor integrated with the non-bussed amplifier, the non-bussed amplifier lacking a physical connection to a serial data bus of the vehicle; a memory unit communicatively coupled to the non-bussed amplifier, the memory unit storing a plurality of audio test tones, each of the audio test tones corresponding to a respective diagnostic test result; and an input device communicatively coupled to the non-bussed amplifier, the input device providing an analog signal indicative of a diagnostic test trigger to the non-bussed amplifier, the diagnostic test trigger configured to initiate the diagnostic test; wherein the computer processor performs the diagnostic test, the diagnostic test configured to: receive the analog signal and execute the diagnostic test defined by the diagnostic test trigger; select one of the audio test tones based on results of the diagnostic test; and output the one of the audio test tones to speakers of the vehicle.